332354 + Interview Questions in Secondary School in Math

1.	The daily wages (in) of 10 workers in a factory are given below:300, 225, 250, 225, 400, 250, 400, 225, 180, 180. Arrange the above data in ascending order and prepare the frequency table.
Answer» No. of workers frequency 180 2 225 4 250 2 300 1 400 2

1.

The daily wages (in) of 10 workers in a factory are given below:300, 225, 250, 225, 400, 250, 400, 225, 180, 180. Arrange the above data in ascending order and prepare the frequency table.

Answer»

No. of workers frequency

180 2

225 4

250 2

300 1

400 2

Discussion

2.	Oh (Special Practice Exam. No. 1)Sub: Mathematics - 15) The arrow is rotated and it stops randomly on the disc. Find out on which colour it may stopWrite sample space S and n(S).RedPurpleOrangeGreenYellowBlue
Answer» Answer: JOBSIN winter and HARVESTED in SUMMER MONTHS EXAMPLE

2.

Oh (Special Practice Exam. No. 1)Sub: Mathematics - 15) The arrow is rotated and it stops randomly on the disc. Find out on which colour it may stopWrite sample space S and n(S).RedPurpleOrangeGreenYellowBlue

Answer»

Answer:

JOBSIN winter and HARVESTED in SUMMER MONTHS EXAMPLE

Discussion

3.	When a commodity is sold for Rs. 54.80, there is a loss of 20%. Evaluate the cost price of the commodity?Rs 43.20Rs 46.40Rs 26.10Rs 68.5
Answer» Step-by-step explanation: 46.4 this ANSWER is CORRECT

3.

When a commodity is sold for Rs. 54.80, there is a loss of 20%. Evaluate the cost price of the commodity?Rs 43.20Rs 46.40Rs 26.10Rs 68.5

Answer»

Step-by-step explanation:

46.4 this ANSWER is CORRECT

Discussion

4.	जिस संख्या पर घातांक नहीं लिखा रहता है उस संख्या का घांताक माना जाता है
Answer» ANSWER: 1 Please LIKE my answer and MARK EXCELLENT answer

4.

जिस संख्या पर घातांक नहीं लिखा रहता है उस संख्या का घांताक माना जाता है

Answer»

ANSWER:

1

Please LIKE my answer

and MARK EXCELLENT answer

Discussion

5.	(i) एका कुटीरोदयोगात दररोज विशिष्ट संख्येने मातीची भांडी तयार केली जातात. असे आढळले आहे की,दररोज तयार होणाऱ्या मातीच्या भांड्यांच्या दुपटीपेक्षा प्रत्येक भांड्याची तयार करण्याची किंमत ₹ 5 नेअधिक आहे. एका विशिष्ट दिवशी मातीची भांडी तयार करण्याचा खर्च र 168 इतका झाला, तर त्यादिवशी किती भांडी तयार केली ते काढा.
Answer» Given :- In a COTTAGE industry a certain number of pottery is made every day. It has been found that the cost of making each pot is ₹ 5 more than double the pottery made daily. If the cost of making pottery on a particular day was Rs 168, then calculate how many POTS were made that day. ? Solution :- LET us assume that, the number of pottery made daily is x . so, → cost of each pot = Rs. (2x + 5) then, → Total pottery * cost of each = Total cost → x * (2x + 5) = 168 → 2x² + 5x - 168 = 0 → 2x² -16x + 21x - 168 = 0 → 2x(x - 8) + 21(x - 8) = 0 → (x - 8)(2x + 21) = 0 → x = 8 or (-21/2) . since negative value is not possible. THEREFORE, total 8 pots were made that day . Learn more :- A SCIENTIST has a 100 liter cistern filled with pure acid.with a 20 liter jug he remove precisely 20 litres from the cis... brainly.in/question/37143888

5.

(i) एका कुटीरोदयोगात दररोज विशिष्ट संख्येने मातीची भांडी तयार केली जातात. असे आढळले आहे की,दररोज तयार होणाऱ्या मातीच्या भांड्यांच्या दुपटीपेक्षा प्रत्येक भांड्याची तयार करण्याची किंमत ₹ 5 नेअधिक आहे. एका विशिष्ट दिवशी मातीची भांडी तयार करण्याचा खर्च र 168 इतका झाला, तर त्यादिवशी किती भांडी तयार केली ते काढा.

Answer»

Given :- In a COTTAGE industry a certain number of pottery is made every day. It has been found that the cost of making each pot is ₹ 5 more than double the pottery made daily. If the cost of making pottery on a particular day was Rs 168, then calculate how many POTS were made that day. ?

Solution :-

LET us assume that, the number of pottery made daily is x .

so,

→ cost of each pot = Rs. (2x + 5)

then,

→ Total pottery * cost of each = Total cost

→ x * (2x + 5) = 168

→ 2x² + 5x - 168 = 0

→ 2x² -16x + 21x - 168 = 0

→ 2x(x - 8) + 21(x - 8) = 0

→ (x - 8)(2x + 21) = 0

→ x = 8 or (-21/2) .

since negative value is not possible.

THEREFORE, total 8 pots were made that day .

Learn more :-

A SCIENTIST has a 100 liter cistern filled with pure acid.with a 20 liter jug he remove precisely 20 litres from the cis...

brainly.in/question/37143888

Discussion

6.	60sangle Afollowingthediscriminantof the2thex² +boxquadratic
Answer» Answer: HUNG chuk OXEN KANIKA FUJI chuk chuk bff chuk

6.

60sangle Afollowingthediscriminantof the2thex² +boxquadratic

Answer»

Answer:

HUNG chuk OXEN KANIKA FUJI chuk chuk bff chuk

Discussion

7.	बाबे रा गुनगुना रहभंवरा गुनगुना रहा है भाव वाच्य में बताएं
Answer» ANSWER: this is not a QUESTION of MATH this is a question of HINDI

7.

बाबे रा गुनगुना रहभंवरा गुनगुना रहा है भाव वाच्य में बताएं

Answer»

ANSWER:

this is not a QUESTION of MATH

this is a question of HINDI

Discussion

8.	Write equation for the following statements. ˜4™1) 7 subtracted from k we get 2.2) 4 times of x plus 6 gets you 26.3) Manu is 5 years smaller than Kanu. Addition of their age is 33 years.4) x is 5 more than 11.
Answer» ANSWER: k-7=2 4x+6=26 X+y=33(where X is MANUS AGE and y is kanus age) x-5=11

8.

Write equation for the following statements. ˜4™1) 7 subtracted from k we get 2.2) 4 times of x plus 6 gets you 26.3) Manu is 5 years smaller than Kanu. Addition of their age is 33 years.4) x is 5 more than 11.

Answer»

ANSWER:

k-7=2

4x+6=26

X+y=33(where X is MANUS AGE and y is kanus age)

x-5=11

Discussion

9.	Taylor series tan 46°
Answer» would first note that 46 degrees is close to 45 degrees. The tan(45 degrees) = 1 since it’s a 45 DEGREE TRIANGLE and the opposite over the adjacent is going to give you 1. 46 degrees is slightly above 45 degrees, so the opposite side is going to be a bit bigger than the adjacent side. Therefore it will be a bit over 1. From there I’ll think about how much different it will be than tangent of 45 degrees. Since you’re given that 1 degree 0.01745 RADIANS, I think about the opposite side getting a bit bigger and the adjacent side of the triangle (for the 46 degree right triangle) getting a bit smaller (equal amounts). I call the change ∆. If we call the opposite y and the adjacent X, then the slightly changed sides would change by this amount ∆. And because tanx ~ x for small angles, I’m thinking about the change in the angle 46–45 = 1 degree as the angle, which is fairly small. So for an approximation, something that I came up with that seems to work….. tan 46 degrees tan(46 degrees) ~ (1+0.01745)/ (1–0.01745) = 1.035519821 If I just type in tan(46 degrees), I get =1.035530314 If I use more accuracy in the calculator for the radian equivalent of 1 degree, I get tan(46)~ 1.035526642 Which is different by 3.67188 x 10^-6 This method seems to work even for larger changes in angle. For example tan(50) ~ (1+0.017455)/ (1–0.017455) = 1.191180498 On the calculator tan(50) = 1.191753…. So a bit less accurate, but still accurate to the nearest hundredth. Not quite sure why this WORKS.

9.

Taylor series tan 46°

Answer»

would first note that 46 degrees is close to 45 degrees.

The tan(45 degrees) = 1 since it’s a 45 DEGREE TRIANGLE and the opposite over the adjacent is going to give you 1.

46 degrees is slightly above 45 degrees, so the opposite side is going to be a bit bigger than the adjacent side.

Therefore it will be a bit over 1.

From there I’ll think about how much different it will be than tangent of 45 degrees.

Since you’re given that 1 degree 0.01745 RADIANS,

I think about the opposite side getting a bit bigger and the adjacent side of the triangle (for the 46 degree right triangle) getting a bit smaller (equal amounts).

I call the change ∆. If we call the opposite y and the adjacent X, then the slightly changed sides would change by this amount ∆. And because tanx ~ x for small angles, I’m thinking about the change in the angle 46–45 = 1 degree as the angle, which is fairly small.

So for an approximation, something that I came up with that seems to work…..

tan 46 degrees

tan(46 degrees) ~ (1+0.01745)/ (1–0.01745)

= 1.035519821

If I just type in tan(46 degrees), I get

=1.035530314

If I use more accuracy in the calculator for the radian equivalent of 1 degree, I get

tan(46)~ 1.035526642

Which is different by 3.67188 x 10^-6

This method seems to work even for larger changes in angle. For example

tan(50) ~ (1+0.01745*5)/ (1–0.01745*5)

= 1.191180498

On the calculator

tan(50) = 1.191753….

So a bit less accurate, but still accurate to the nearest hundredth.

Not quite sure why this WORKS.

Discussion

10.	Human and deer heads = 127 and legs = 285. solve in linear equation ONLY?
Answer» Answer: Simultaneous EQUATIONS are FORMED. SOLVE further to get answer

10.

Human and deer heads = 127 and legs = 285. solve in linear equation ONLY?

Answer»

Answer:

Simultaneous EQUATIONS are FORMED.

SOLVE further to get answer

Discussion

11.	If cosA + sinA = √2 cosA then prove that cos A - sinA = √2 sinAPLEASE DO THIS QUESTION WITH THE LIMITED IDENTIFY AND THEORY OF A 10th GRADER.PLEASE DON'T SPAM OTHERWISE YOU WOULD BE REPORTED.
Answer» ANSWER: Given, cosA+SINA= 2 cosA ⇒sinA= 2 cosA−cosA ⇒sinA=( 2 −1)cosA ⇒ cosA sinA = 2 −1 ⇒tanA= 2 −1 ⇒ tanA 1 = 2 −1 1 ⇒cotA= 2 −1 1 × 2 +1 2 +1 ⇒cotA= 2 +1 ⇒ sinA cosA = 2 +1 ⇒cosA=sinA( 2 +1) ⇒cosA= 2 sinA+sinA ⇒cosA−sinA= 2 sinA

11.

If cosA + sinA = √2 cosA then prove that cos A - sinA = √2 sinAPLEASE DO THIS QUESTION WITH THE LIMITED IDENTIFY AND THEORY OF A 10th GRADER.PLEASE DON'T SPAM OTHERWISE YOU WOULD BE REPORTED.

Answer»

ANSWER:

Given, cosA+SINA=

2

cosA

⇒sinA=

2

cosA−cosA

⇒sinA=(

2

−1)cosA

⇒

cosA

sinA

=

2

−1

⇒tanA=

2

−1

⇒

tanA

1

=

2

−1

1

⇒cotA=

2

−1

1

×

2

+1

2

+1

⇒cotA=

2

+1

⇒

sinA

cosA

=

2

+1

⇒cosA=sinA(

2

+1)

⇒cosA=

2

sinA+sinA

⇒cosA−sinA=

2

sinA

Discussion

12.	Hipls solve this questionandi bandi shandi if you write any wrong
Answer» Step-by-step EXPLANATION: EXPLANATION: WAIT few MINUTES

12.

Hipls solve this questionandi bandi shandi if you write any wrong

Answer»

Step-by-step EXPLANATION:

EXPLANATION:

WAIT few MINUTES

Discussion

13.	X/2+x/5+3x/10=1/5+4/
Answer» Answer: x/2 + x/5 + 3X/10 = 1/5 + 4 5x + 2x + 3x/ 10 = 1+20/ 4 10x / 10 = 21 / 4 x = 21/4

13.

X/2+x/5+3x/10=1/5+4/

Answer»

Answer:

x/2 + x/5 + 3X/10 = 1/5 + 4

5x + 2x + 3x/ 10 = 1+20/ 4

10x / 10 = 21 / 4

x = 21/4

Discussion

14.	What type of Angele do hands of a clock make at . a. 90'clock b. 20' clock c. 60' clock
Answer» Step-by-step EXPLANATION: a. RIGHT ANGLE ( 90° ) B. acute angle ( less than 90° ) c. straight angle ( 180° )

14.

What type of Angele do hands of a clock make at . a. 90'clock b. 20' clock c. 60' clock

Answer»

Step-by-step EXPLANATION:

a. RIGHT ANGLE ( 90° )

B. acute angle ( less than 90° )

c. straight angle ( 180° )

Discussion

15.	How many gst council members..?
Answer» ANSWER: Step-by-step EXPLANATION: am DELETING my ACCOUNT

15.

How many gst council members..?

Answer»

ANSWER:

Step-by-step EXPLANATION:

am DELETING my ACCOUNT

Discussion

16.	कोई पांच प्राकृतिक संख्याएं लिखे
Answer» प्रथम २५ अभाज्य संख्याएं नीचे दी गयीं हैं- 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 अभाजय संख्याओं का महत्व यह है कि किसी भी अशून्य प्राकृतिक संख्या के गुणनखण्ड को केवल अभाज्य संख्याओं के द्वारा व्यक्त किया जा सकता है और यह गुणनखण्ड एकमेव (unique) होता है।

Discussion

17.	स्टार्टिंग ए बिजनेस बाय इन्वेस्टिंग एक्स फोटोस ऑफ द फोर मंथ फ्रॉम द स्टार्ट फ्रॉम द बिजनेस विजा इन हिम विद रुपीस
Answer» ANSWER: SORRY sorry sorry sorry sorry sorry sorry sorry sorry sorry

17.

स्टार्टिंग ए बिजनेस बाय इन्वेस्टिंग एक्स फोटोस ऑफ द फोर मंथ फ्रॉम द स्टार्ट फ्रॉम द बिजनेस विजा इन हिम विद रुपीस

Answer»

ANSWER:

SORRY sorry sorry sorry sorry sorry sorry sorry sorry sorry

Discussion

18.	0-8Prove that 2 is irrational no.
Answer» Answer: let √2 = p/q squaring both sides (√2)²= ( p/q)² 2=p²/q² 2q²=p² As 2 is the factor of p² so it will be the factor of p also let p = 2x so, 2q² = (2x)² 2q² = 4x²(cut 4 by 2) q² = 2x² NOW 2 IS THE FACTOR OF p² AND q² so it will be the factor of p and q also. HERE HCF OF p AND q IS 2 AND FOR BEING A RATIONAL NUMBER HCF MUST BE 1. So, THE CONTRADICTION IS WRONG(√2=p/q) SO √2 IS IRRATIONAL NUMBER. Step-by-step explanation:

18.

0-8Prove that 2 is irrational no.

Answer»

Answer:

let √2 = p/q

squaring both sides (√2)²= ( p/q)²

2=p²/q²

2q²=p²

As 2 is the factor of p² so it will be the factor of p also

let p = 2x

so,

2q² = (2x)²

2q² = 4x²(cut 4 by 2)

q² = 2x²

NOW 2 IS THE FACTOR OF p² AND q² so it will be the factor of p and q also.

HERE HCF OF p AND q IS 2 AND FOR BEING A RATIONAL NUMBER HCF MUST BE 1.

So, THE CONTRADICTION IS WRONG(√2=p/q)

SO √2 IS IRRATIONAL NUMBER.

Step-by-step explanation:

Discussion

19.	Write the numbers whose absolute value is 9
Answer» The absolute VALUE of −9 is 9. The absolute value of 3 is 3. The absolute value of 0 is 0. The absolute value of −156 is 156.

Discussion

20.	outline rich old man - five sons - they always quarreiled among them selves - the farmer was disheartened - the man fell ill - called has sons - asked them to bring some sticks - give each of them a stickto break - they broke the sticks - then he gave them a bundle of sticks to break - they failed to break the bundle (out line story) { answer with pictures }
Answer» Answer:outline rich old man - FIVE sons - they ALWAYS quarreiled among them selves - the farmer was DISHEARTENED - the man FELL ill - called has sons - asked them to bring some sticks - GIVE each of them a stickto break - they broke the sticks - then he gave them a bundle of sticks to break - they failed to break the bundle (out line story) { answer with pictures } Step-by-step explanation: outline rich old man - five sons - they always quarreiled among them selves - the farmer was disheartened - the man fell ill - called has sons - asked them to bring some sticks - give each of them a stickto break - they broke the sticks - then he gave them a bundle of sticks to break - they failed to break the bundle (out line story) { answer with pictures }

20.

outline rich old man - five sons - they always quarreiled among them selves - the farmer was disheartened - the man fell ill - called has sons - asked them to bring some sticks - give each of them a stickto break - they broke the sticks - then he gave them a bundle of sticks to break - they failed to break the bundle (out line story) { answer with pictures }

Answer»

Answer:outline rich old man - FIVE sons - they ALWAYS quarreiled among them selves - the farmer was DISHEARTENED - the man FELL ill - called has sons - asked them to bring some sticks - GIVE each of them a stickto break - they broke the sticks - then he gave them a bundle of sticks to break - they failed to break the bundle (out line story) { answer with pictures }

Step-by-step explanation:

outline rich old man - five sons - they always quarreiled among them selves - the farmer was disheartened - the man fell ill - called has sons - asked them to bring some sticks - give each of them a stickto break - they broke the sticks - then he gave them a bundle of sticks to break - they failed to break the bundle (out line story) { answer with pictures }

Discussion

21.	What is the l.c.m. of least prime and the least composite number
Answer» ANSWER: LEAST PRIME number is 2 and the lease composite number is 4. So, L.C.M of 2 and 4 is 4.

21.

What is the l.c.m. of least prime and the least composite number

Answer»

ANSWER:

LEAST PRIME number is 2 and the lease composite number is 4. So, L.C.M of 2 and 4 is 4.

Discussion

22.	एक रेलगाड़ी की लम्बाई 75 मी. है। एक आदमी रेलगाड़ी के चलने की दिशा में 5किमी./घंटा के चाल से जा रहा है। यदि रेलगाड़ी 9 मिनट में आदमी को पार करजाती है तो गाडी की चाल क्या है?
Answer» distance = 75km speed = 5 km/h • TIME = 75/5 h • Time = 15 hours if train cover the same distance in 9 minutes • distance=75km •time=9 MIN= converting min into hour • 60MIN = 1hr • 1min = 1/60 • 9 min = 1/60×9=0.15hour •speed= 75/0.15 km/h Speed = 500km/h

22.

एक रेलगाड़ी की लम्बाई 75 मी. है। एक आदमी रेलगाड़ी के चलने की दिशा में 5किमी./घंटा के चाल से जा रहा है। यदि रेलगाड़ी 9 मिनट में आदमी को पार करजाती है तो गाडी की चाल क्या है?

Answer»

distance = 75km

speed = 5 km/h

• TIME = 75/5 h

• Time = 15 hours

if train cover the same distance in 9 minutes

• distance=75km

•time=9 MIN= converting min into hour

• 60MIN = 1hr

• 1min = 1/60

• 9 min = 1/60×9=0.15hour

•speed= 75/0.15 km/h

Speed = 500km/h

Discussion

23.	Sinx2627Find the derivative of (x2-3x+2)(x+2)wrt x.Find the mean deviation about of first fi
Answer» Question:- Find the DERIVATIVE of (x² - 3x + 2)(x + 2) wrt x. Answer:- METHOD - 1:- $\implies \sf \: \dfrac{d}{dx} (x ^2 - 3x + 2)(x + 2)$ USING; d/dx (uv) = v × du/dx + u × dv/dx we get; $\implies \sf \: (x + 2) \times \frac{d}{dx} ( {x}^{2} - 3x + 2) + (x ^{2} - 3x + 2) \times \frac{d}{dx} (x + 2) \\ \\ \\ \implies \sf \:(x + 2) \times (2 \times {x}^{2 - 1} - 3 \times {x}^{1 - 1} + 0) + ( {x}^{2} - 3x + 2)(1 \times {x}^{1 - 1} + 0) \\ \\ ( \because \sf \frac{d}{dx} (constant) = 0 \: \: \& \: \: \frac{d}{dx} ( {x})^{n} = n \times {x}^{n - 1} \: ) \\ \\ \\ \implies \sf \: (x + 2)(2x - 3) + ( {x}^{2} - 3x + 2)(1) \\ \\ \\ \implies \sf \: x(2x - 3) + 2(2x - 3) + {x}^{2} - 3x + 2 \\ \\ \\ \implies \sf \: 2 {x}^{2} - 3x + <klux>4X</klux> - 6 + {x}^{2} - 3x + 2 \\ \\ \\ \implies \boxed{\sf \: 3 {x}^{2} - 2x - 4}$ Method - 2:- (x² - 3x + 2)(x + 2) = x(x² - 3x + 2) + 2(x² - 3x + 2) = x³ - 3x² + 2x + 2x² - 6x + 4 = x³ - x² - 4x + 4 Now, DIFFERENTIATING with respect to x we get; $\implies \sf \: \frac{d}{dx} ( {x}^{3} - {x}^{2} - 4x +4 ) \\ \\ \\ \implies \sf \:3 \times {x}^{3 - 1} - 2 \times {x}^{2 - 1} - 1 \times 4 \times \times {x}^{1 - 1} + 0 \\ \\ \\ \\ \implies \boxed{ \sf \: 3 {x}^{2} - 2x - 4}$

23.

Sinx2627Find the derivative of (x2-3x+2)(x+2)wrt x.Find the mean deviation about of first fi

Answer»

Question:-

Find the DERIVATIVE of (x² - 3x + 2)(x + 2) wrt x.

Answer:-

METHOD - 1:-

$\implies \sf \: \dfrac{d}{dx} (x ^2 - 3x + 2)(x + 2)$

USING;

d/dx (uv) = v × du/dx + u × dv/dx we get;

$\implies \sf \: (x + 2) \times \frac{d}{dx} ( {x}^{2} - 3x + 2) + (x ^{2} - 3x + 2) \times \frac{d}{dx} (x + 2) \\ \\ \\ \implies \sf \:(x + 2) \times (2 \times {x}^{2 - 1} - 3 \times {x}^{1 - 1} + 0) + ( {x}^{2} - 3x + 2)(1 \times {x}^{1 - 1} + 0) \\ \\ ( \because \sf \frac{d}{dx} (constant) = 0 \: \: \& \: \: \frac{d}{dx} ( {x})^{n} = n \times {x}^{n - 1} \: ) \\ \\ \\ \implies \sf \: (x + 2)(2x - 3) + ( {x}^{2} - 3x + 2)(1) \\ \\ \\ \implies \sf \: x(2x - 3) + 2(2x - 3) + {x}^{2} - 3x + 2 \\ \\ \\ \implies \sf \: 2 {x}^{2} - 3x + <klux>4X</klux> - 6 + {x}^{2} - 3x + 2 \\ \\ \\ \implies \boxed{\sf \: 3 {x}^{2} - 2x - 4}$

Method - 2:-

(x² - 3x + 2)(x + 2) = x(x² - 3x + 2) + 2(x² - 3x + 2)

= x³ - 3x² + 2x + 2x² - 6x + 4

= x³ - x² - 4x + 4

Now,

DIFFERENTIATING with respect to x we get;

$\implies \sf \: \frac{d}{dx} ( {x}^{3} - {x}^{2} - 4x +4 ) \\ \\ \\ \implies \sf \:3 \times {x}^{3 - 1} - 2 \times {x}^{2 - 1} - 1 \times 4 \times \times {x}^{1 - 1} + 0 \\ \\ \\ \\ \implies \boxed{ \sf \: 3 {x}^{2} - 2x - 4}$

Discussion

24.	Write 4/12, 16/30, 3/5 in order, from least to the greatest
Answer» ANSWER: Step-by-step explanation: 4/12, 16/30, 3/5

24.

Write 4/12, 16/30, 3/5 in order, from least to the greatest

Answer»

ANSWER:

Step-by-step explanation:

4/12, 16/30, 3/5

Discussion

25.	Jonathan has a box that contains six tennis balls and six golf balls. If he randomly picks one ball, what is the probability of picking a golf ball? Which simulation can be used to represent this situation?A. The probability is . Flipping a coin is a representative simulation.B. The probability is . Spinning a spinner with three equal sections is a representative simulation.C. The probability is . Rolling two six-sided dice at the same time is a representative simulation.D. The probability is 1. Picking one of two cards is a representative simulation.
Answer» Answer: The PROBABILITY is . Rolling TWO six-sided DICE at the same TIME is a REPRESENTATIVE simulation.

25.

Jonathan has a box that contains six tennis balls and six golf balls. If he randomly picks one ball, what is the probability of picking a golf ball? Which simulation can be used to represent this situation?A. The probability is . Flipping a coin is a representative simulation.B. The probability is . Spinning a spinner with three equal sections is a representative simulation.C. The probability is . Rolling two six-sided dice at the same time is a representative simulation.D. The probability is 1. Picking one of two cards is a representative simulation.

Answer»

Answer:

The PROBABILITY is . Rolling TWO six-sided DICE at the same TIME is a REPRESENTATIVE simulation.

Discussion

26.	prove that opposite sides of a quadrilateral circumscribing a circle subtend sumplementry angles at the centre.
Answer» Answer: hope this will help Step-by-step explanation: LET ABCD be a QUADRILATERAL circumscribing a circle with centre O. Now join AO, BO, CO, DO. From the FIGURE, ∠DAO=∠BAO [Since, AB and AD are tangents] Let ∠DAO=∠BAO=1 Also ∠ABO=∠CBO [Since, BA and BC are tangents] Let ∠ABO=∠CBO=2 Similarly we take the same way for VERTICES C and D Sum of the angles at the centre is 360o Recall that sum of the angles in quadrilateral, ABCD = 360o =2(1+2+3+4)=360o =1+2+3+4=180o In ΔAOB,∠BOA=180−(1+2) In ΔCOD,∠COD=180−(3+4) ∠BOA+∠COD=360−(1+2+3+4) =360o–180o =180o Since AB and CD subtend supplementary angles at O. Thus, opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle.

26.

prove that opposite sides of a quadrilateral circumscribing a circle subtend sumplementry angles at the centre.

Answer»

Answer:

hope this will help

Step-by-step explanation:

LET ABCD be a QUADRILATERAL circumscribing a circle with centre O.

Now join AO, BO, CO, DO.

From the FIGURE, ∠DAO=∠BAO [Since, AB and AD are tangents]

Let ∠DAO=∠BAO=1

Also ∠ABO=∠CBO [Since, BA and BC are tangents]

Let ∠ABO=∠CBO=2

Similarly we take the same way for VERTICES C and D

Sum of the angles at the centre is 360o

Recall that sum of the angles in quadrilateral, ABCD = 360o

=2(1+2+3+4)=360o

=1+2+3+4=180o

In ΔAOB,∠BOA=180−(1+2)

In ΔCOD,∠COD=180−(3+4)

∠BOA+∠COD=360−(1+2+3+4)

=360o–180o

=180o

Since AB and CD subtend supplementary angles at O.

Thus, opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle.

Discussion

27.	Number line mai √3 kaish darshaya in hindi medium
Answer» Answer: 13 BEACUSE 15=30 Step-by-step EXPLANATION:

27.

Number line mai √3 kaish darshaya in hindi medium

Answer»

Answer:

13 BEACUSE 15=30

Step-by-step EXPLANATION:

Discussion

28.	Please tell me the correct ans.
Answer» ANSWER: okcbcbcjncjfgmmmhmmh Step-by-step EXPLANATION: it is very LIGHT

28.

Please tell me the correct ans.

Answer»

ANSWER:

okcbcbcjncjfgmmmhmmh

Step-by-step EXPLANATION:

it is very LIGHT

Discussion

29.	If cos Q + sin Q= v2 cos Q, show that cos Q - sine Q = V2 sine Q.
Answer» Answer: hope it will HELP you Step-by-step EXPLANATION: if you like my answer then MARK me as brainlist

29.

If cos Q + sin Q= v2 cos Q, show that cos Q - sine Q = V2 sine Q.

Answer»

Answer:

hope it will HELP you

Step-by-step EXPLANATION:

if you like my answer then MARK me as brainlist

Discussion

30.	Can anyone pls ans this que
Answer»

Discussion

31.	Nancy puts 21 mango in 7 basket equally how many mangoes does each basket contain
Answer» Answer: 3 Step-by-step explanation: Nancy puts 21 MANGO in 7 BASKET EQUALLY 3 mangoes each basket CONTAIN

31.

Nancy puts 21 mango in 7 basket equally how many mangoes does each basket contain

Answer»

Answer:

3

Step-by-step explanation:

Nancy puts 21 MANGO in 7 BASKET EQUALLY

3 mangoes each basket CONTAIN

Discussion

32.	find the magnitude and direction of the vectors which measures the greatest rate of increase of the function 2xy-y^2 at (1,3,2)
Answer» ANSWER: fhdusuwjdudowwwwwgvv

32.

find the magnitude and direction of the vectors which measures the greatest rate of increase of the function 2xy-y^2 at (1,3,2)

Answer»

ANSWER:

fhdusuwjdudowwwwwgvv

Discussion

33.	Subtract 12 1 over 2 from the product of 9 over 10 and 180
Answer» Step-by-step EXPLANATION: $( \frac{9}{10} \times 180) - 12 \frac{1}{2} \\ = (9 \times 18) - \frac{25}{2} \\ = 171 - \frac{25}{2} \\ = \frac{342 - 25}{2} \\ = \frac{317}{2}$

33.

Subtract 12 1 over 2 from the product of 9 over 10 and 180

Answer»

Step-by-step EXPLANATION:

$( \frac{9}{10} \times 180) - 12 \frac{1}{2} \\ = (9 \times 18) - \frac{25}{2} \\ = 171 - \frac{25}{2} \\ = \frac{342 - 25}{2} \\ = \frac{317}{2}$

Discussion

34.	What is the perimeter of the given figure?14 m12 m14 m16 m12 m13 m(1)81 m(2)91 m(3) 101 m(4)71 m
Answer» ANSWER: 120000cm is CORRECT answer

34.

What is the perimeter of the given figure?14 m12 m14 m16 m12 m13 m(1)81 m(2)91 m(3) 101 m(4)71 m

Answer»

ANSWER:

120000cm is CORRECT answer

Discussion

35.	2. A positive number is 5 times another number. If 21 is added to both the numbers,then one of the new numbers becomes twice the other new number. What are thenumbers?
Answer» These NUMBERS are 7 and 35

35.

2. A positive number is 5 times another number. If 21 is added to both the numbers,then one of the new numbers becomes twice the other new number. What are thenumbers?

Answer»

These NUMBERS are 7 and 35

Discussion

36.	(x - 1)(x-2)(x-3)(x + 1)(x + 2)(x+3)< 1
Answer» ANSWER: फथडरजडजडजगजथगथ्थडथडथडथथबथब

36.

(x - 1)(x-2)(x-3)(x + 1)(x + 2)(x+3)< 1

Answer»

ANSWER:

फथडरजडजडजगजथगथ्थडथडथडथथबथब

Discussion

37.	Calculate the area of the given two figures ? Are the area of this figuresequal to each other? Are the's quadrilateral Similar?
Answer» Step-by-step explanation: # To find Area of first figure, whose length is 9cm Breadth is 4 cm So , area of first figure= l×b = 9cm×4cm = 36 cm² # To find Area of SECOND figure, whose length is 6cm and breadth is 8 cm. So, area of second figure= l×b = 6cm× 8cm = 48 cm² No, the area of both figures are not same. Hope so, It is HELPFUL for you. Please , Mark me as BRAINLIEST.

37.

Calculate the area of the given two figures ? Are the area of this figuresequal to each other? Are the's quadrilateral Similar?

Answer»

Step-by-step explanation:

# To find Area of first figure, whose

length is 9cm

Breadth is 4 cm

So , area of first figure= l×b

= 9cm×4cm

= 36 cm²

# To find Area of SECOND figure, whose length is 6cm and breadth is 8 cm.

So, area of second figure= l×b

= 6cm× 8cm

= 48 cm²

No, the area of both figures are not same.

Hope so, It is HELPFUL for you.

Please , Mark me as BRAINLIEST.

Discussion

38.	Number line mai √2 kaish darshaya in hindi medium
Answer» ANSWER: I am not UNDERSTAND Step-by-step EXPLANATION: OK ok ok ok

38.

Number line mai √2 kaish darshaya in hindi medium

Answer»

ANSWER:

I am not UNDERSTAND

Step-by-step EXPLANATION:

OK ok ok ok

Discussion

39.	(iv) 2xy + siny = 2n
Answer» Step-by-step EXPLANATION: $2 \times x + y(1 + \sin) = 2n$ $y(1 - \sin) = 2n - 2x$ $y(1 - \sin) = 2(n - 2x)$

39.

(iv) 2xy + siny = 2n

Answer»

Step-by-step EXPLANATION:

$2 \times x + y(1 + \sin) = 2n$

$y(1 - \sin) = 2n - 2x$

$y(1 - \sin) = 2(n - 2x)$

Discussion

40.	Simplify using laws of exponent[(5^2)^3 X 5^4] ÷ 5^5
Answer» ${\huge{\red{\underline{3125}}}}$

40.

Simplify using laws of exponent[(5^2)^3 X 5^4] ÷ 5^5

Answer»

${\huge{\red{\underline{3125}}}}$

Discussion

41.	Ravi made the given picture using wire. The length of the wire is4cm4 cm3 cm3 cm5 cm4 cm4 cm5 cm6 cm6 cm2 cm5 cm5 cm(1) 40 cm(2) 70 cm(3) 39 cm(4) 62 cm
Answer» Answer: 4)62 cm Mark me as BRAINLIST

41.

Ravi made the given picture using wire. The length of the wire is4cm4 cm3 cm3 cm5 cm4 cm4 cm5 cm6 cm6 cm2 cm5 cm5 cm(1) 40 cm(2) 70 cm(3) 39 cm(4) 62 cm

Answer»

Answer:

4)62 cm

Mark me as BRAINLIST

Discussion

42.	Mary believes that it is the most efficient way to solve the following quadratic equation, (x−3)^2+2=27, by taking square roots. Explain why her reasoning could be correct.
Answer» ANSWER: GOOD night Sweet DREAMS

42.

Mary believes that it is the most efficient way to solve the following quadratic equation, (x−3)^2+2=27, by taking square roots. Explain why her reasoning could be correct.

Answer»

ANSWER:

GOOD night

Sweet DREAMS

Discussion

43.	A three-digit number is to be made using the digits 1, 3, 5, and 8.How many numbers can be made if repeated digits are allowed?
Answer» $\huge\sf\underline{\red{Answer}}$ A THREE digit number is to be FORMED from given 5 digits 1,2,3,4,5. □□□ HTO Now, there are 5 ways to fill ONES place. Since, repetition is not allowed , so tens place can be FILLED by REMAINING 4 digits. So, tens place can be filled in 4 ways. Similarly, to fill hundreds place, we have 3 digits remaining. So,hundreds can be filled by 3 ways. So, required number of ways in which three digit numbers can be formed from the given digits is 5×4×3=60 $\huge\sf\underline{\pink{Thanks}}$

43.

A three-digit number is to be made using the digits 1, 3, 5, and 8.How many numbers can be made if repeated digits are allowed?

Answer»

$\huge\sf\underline{\red{Answer}}$

A THREE digit number is to be FORMED from given 5 digits 1,2,3,4,5.

□□□

HTO

Now, there are 5 ways to fill ONES place.

Since, repetition is not allowed , so tens place can be FILLED by REMAINING 4 digits.

So, tens place can be filled in 4 ways.

Similarly, to fill hundreds place, we have 3 digits remaining.

So,hundreds can be filled by 3 ways.

So, required number of ways in which three digit numbers can be formed from the given digits is 5×4×3=60

$\huge\sf\underline{\pink{Thanks}}$

Discussion

44.	What is the volume of cuboid?
Answer» ANSWER: VOLUME of CUBOID = l×b×h

44.

What is the volume of cuboid?

Answer»

ANSWER:

VOLUME of CUBOID = l×b×h

Discussion

45.	10V 3 x 12 x 54.V x
Answer» ANSWER: HI there I am not SURE if U WANT me

45.

10V 3 x 12 x 54.V x

Answer»

ANSWER:

HI there I am not SURE if U WANT me

Discussion

46.	Simplyfy -12/84÷65/13×56/49
Answer» Answer: 0 Step-by-step EXPLANATION: ======== =0 high DEFINITION of the GOVERNMENT will be FORMED to the top of the government will be formed to the top

46.

Simplyfy -12/84÷65/13×56/49

Answer»

Answer:

0

Step-by-step EXPLANATION:

======== =0 high DEFINITION of the GOVERNMENT will be FORMED to the top of the government will be formed to the top

Discussion

47.	PLEASE HELP! I'LL GIVE BRAINLIEST!
Answer» Answer: The answer Is 0.33 SURELY .... Step-by-step explanation: Hope it HELPS PLZ MARK as BRAINLIEST ♥️

47.

PLEASE HELP! I'LL GIVE BRAINLIEST!

Answer»

Answer:

The answer Is 0.33 SURELY ....

Step-by-step explanation:

Hope it HELPS PLZ MARK as BRAINLIEST ♥️

Discussion

48.	Tell me first question ans.
Answer» ANSWER: 1. option c 2. option b 3. option c 4. option b 5. option b Step-by-step explanation: please mark as BRAINLIEST answer please and give thanks if it HELPS you

48.

Tell me first question ans.

Answer»

ANSWER:

1. option c

2. option b

3. option c

4. option b

5. option b

Step-by-step explanation:

please mark as BRAINLIEST answer please

and give thanks if it HELPS you

Discussion

49.	Cos(theta) = -5/9 what is the equivalent ratio
Answer» ANSWER: i don't know Step-by-step EXPLANATION: SAM ATA parina SORRY

49.

Cos(theta) = -5/9 what is the equivalent ratio

Answer»

ANSWER:

i don't know

Step-by-step EXPLANATION:

SAM ATA parina SORRY

Discussion

50.	Simplify using laws of exponent2^5 x 3^4 x 5
Answer» ANSWER: 32×81×5 576×5 2880 i THIN so that it is the answer

50.

Simplify using laws of exponent2^5 x 3^4 x 5

Answer»

ANSWER:

32×81×5

576×5

2880 i THIN so that it is the answer

Discussion

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Please tell me the correct ans.

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Simplyfy -12/84÷65/13×56/49

Tell me first question ans.