332354 + Interview Questions in Secondary School in Math

1.	A monkey climbs up to a height of 8 m 70 cm on a tree.It then climbs down by 2 m 15 cm, and sits on a branch.How high above the ground is the monkey sitting?
Answer» ANSWER: monkey climbs up to HEIGHT of =8m 70cm monkey climbs downwards =2M 15cm then height of monkey from ground = 8 m 70 cm-2 m 15 cm =(800+70)-(200+15) =870-215 height =655 cm=6 m 55 cm. ∴ monkey is 6 m 55 cm above the ground.

1.

A monkey climbs up to a height of 8 m 70 cm on a tree.It then climbs down by 2 m 15 cm, and sits on a branch.How high above the ground is the monkey sitting?

Answer»

ANSWER:

monkey climbs up to HEIGHT of =8m 70cm

monkey climbs downwards =2M 15cm

then height of monkey from ground

= 8 m 70 cm-2 m 15 cm

=(800+70)-(200+15)

=870-215

height =655 cm=6 m 55 cm.

∴ monkey is 6 m 55 cm above the ground.

Discussion

2.	1Ops: A. 35 daysB. 15 daysC. O 16 daysD. 20 daysNreset answer34742571389Study the following information and answer the question that follows.f(x) = 2xg(x) = x² + 2xh(x) = f(x) - XQ37 Find the value of h(1).Ops: A. O 2B. OOC. 01D. O3Q38 Find the value of g(2) + h(3).
Answer» ANSWER: hey HI..who is WATCHING this question r u there I had answer ur question before.. I MEAN just before now

2.

1Ops: A. 35 daysB. 15 daysC. O 16 daysD. 20 daysNreset answer34742571389Study the following information and answer the question that follows.f(x) = 2xg(x) = x² + 2xh(x) = f(x) - XQ37 Find the value of h(1).Ops: A. O 2B. OOC. 01D. O3Q38 Find the value of g(2) + h(3).

Answer»

ANSWER:

hey HI..who is WATCHING this question

r u there

I had answer ur question before.. I MEAN just before now

Discussion

3.	so guys question for you. let's go. The volume of cylinder is 924m³ and it's curved surface area is 264m². find its radius and height.
Answer» SOLUTION - Volume of cylinder is 924m³ . CSA of the cylinder is 264 m² . $\setlength{\unitlength}{1mm}\begin{picture}(5,5)\thicklines\multiput(-0.5,-1)(26,0){2}{\line(0,1){40}}\multiput(12.5,-1)(0,3.2){13}{\line(0,1){1.6}}\multiput(12.5,-1)(0,40){2}{\multiput(0,0)(2,0){7}{\line(1,0){1}}}\multiput(0,0)(0,40){2}{\qbezier(1,0)(12,3)(24,0)\qbezier(1,0)(-2,-1)(1,-2)\qbezier(24,0)(27,-1)(24,-2)\qbezier(1,-2)(12,-5)(24,-2)}\multiput(18,2)(0,32){2}{\sf{r}}\put(9,17.5){\sf{h}}\end{picture}$ SUPPOSE that the radius of the cylinder is r and the height is h. πr^2h = 924 2πrh = 264 DIVIDING these two ratios , we GET : r/2 = 7/2 So, r = 7m . Now , 2πrh = 264 So, 44h = 264 Hence, h = 6m . Answer - The radius and height of the cylinder are 7m and 6m respectively.

3.

so guys question for you. let's go. The volume of cylinder is 924m³ and it's curved surface area is 264m². find its radius and height.

Answer»

SOLUTION -

Volume of cylinder is 924m³ .

CSA of the cylinder is 264 m² .

$\setlength{\unitlength}{1mm}\begin{picture}(5,5)\thicklines\multiput(-0.5,-1)(26,0){2}{\line(0,1){40}}\multiput(12.5,-1)(0,3.2){13}{\line(0,1){1.6}}\multiput(12.5,-1)(0,40){2}{\multiput(0,0)(2,0){7}{\line(1,0){1}}}\multiput(0,0)(0,40){2}{\qbezier(1,0)(12,3)(24,0)\qbezier(1,0)(-2,-1)(1,-2)\qbezier(24,0)(27,-1)(24,-2)\qbezier(1,-2)(12,-5)(24,-2)}\multiput(18,2)(0,32){2}{\sf{r}}\put(9,17.5){\sf{h}}\end{picture}$

SUPPOSE that the radius of the cylinder is r and the height is h.

πr^2h = 924

2πrh = 264

DIVIDING these two ratios , we GET :

r/2 = 7/2

So, r = 7m .

Now , 2πrh = 264

So, 44h = 264

Hence, h = 6m .

Answer - The radius and height of the cylinder are 7m and 6m respectively.

Discussion

4.	Show that the radius of curvature of the curve y^2=a^2(a-x)/x at (a,0)is a/2
Answer» Answer: The equation of the curve, (a – x)Y2 = (a + x)x2 passes through the origin. To see the NATURE of the tangent at the origin, equate to zero the lowest degree terms in x and y, i.e. ay2 = ax2 or y = ± x i.e., at the origin, neither of the axis are tangent to the given curve ∴ Putting or On comparing the coefficients of x2 and x3, we get ap2 = a ⇒ p = ± 1 and apq – p2 = 1 ⇒ Q = ± 2/ a ∴ HENCE ρ(0, 0) is NUMERICALLY a√2.

4.

Show that the radius of curvature of the curve y^2=a^2(a-x)/x at (a,0)is a/2

Answer»

Answer:

The equation of the curve, (a – x)Y2 = (a + x)x2 passes through the origin. To see the NATURE of the tangent at the origin, equate to zero the lowest degree terms in x and y, i.e. ay2 = ax2 or y = ± x i.e., at the origin, neither of the axis are tangent to the given curve ∴ Putting or On comparing the coefficients of x2 and x3, we get ap2 = a ⇒ p = ± 1 and apq – p2 = 1 ⇒ Q = ± 2/ a ∴ HENCE ρ(0, 0) is NUMERICALLY a√2.

Discussion

5.	.) Sides of two similar triangles are in the ratio 2 : 3. Areas ofthese triangles are in the ratio of:a,6 : 9 b 9: 4
Answer» Answer: 4:9 is the RIGHT answer Step-by-step EXPLANATION: HOPE it's HELP you

5.

.) Sides of two similar triangles are in the ratio 2 : 3. Areas ofthese triangles are in the ratio of:a,6 : 9 b 9: 4

Answer»

Answer:

4:9 is the RIGHT answer

Step-by-step EXPLANATION:

HOPE it's HELP you

Discussion

6.	Simply [2/5]–³×[25/4]–³in a page please the answer
Answer» ANSWER = 0.064 5^3÷2^3)×(4^3÷25^3)

6.

Simply [2/5]–³×[25/4]–³in a page please the answer

Answer»

ANSWER = 0.064

5^3÷2^3)×(4^3÷25^3)

Discussion

7.	Solve the equation =2x - 3/ x+1 = 1/2
Answer» Answer: 7/3 Step-by-step EXPLANATION: ......... ...... ..... .

7.

Solve the equation =2x - 3/ x+1 = 1/2

Answer»

Answer:

7/3

Step-by-step EXPLANATION:

......... ...... ..... .

Discussion

8.	3x^2+ 4x -2 please fasttt
Answer» Given equation is 3X ^2 −4x+3=0 To FIND, the nature of the roots of the equation An equation is said to have (i) two DISTINCT and real roots if the discriminant B^2 −4ac>0 (ii) equal real roots if b ^2 −4ac=0 (iii) no real roots or imaginary roots if b ^2−4ac<0 In the given equation a=3,b=−4,c=3 Hence the discriminant is - (−4) ^2 −4(3(3)=16−36=−20<0 Therefore the roots of the given equation are imaginary in nature.

8.

3x^2+ 4x -2 please fasttt

Answer»

Given equation is 3X ^2 −4x+3=0

To FIND, the nature of the roots of the equation

An equation is said to have

(i) two DISTINCT and real roots if the discriminant B^2 −4ac>0

(ii) equal real roots if b ^2 −4ac=0

(iii) no real roots or imaginary roots if b ^2−4ac<0

In the given equation a=3,b=−4,c=3

Hence the discriminant is -

(−4) ^2 −4(3(3)=16−36=−20<0

Therefore the roots of the given equation are imaginary in nature.

Discussion

9.	Simply [2/5]–³×[25/4]–³
Answer» ANSWER: SIMPLE answer TYPE in the CALCULATOR

9.

Simply [2/5]–³×[25/4]–³

Answer»

ANSWER:

SIMPLE answer

TYPE in the CALCULATOR

Discussion

10.	1. What is the weight5. Calculate the weight of 3.491 x 1019 molecules of Cl..
Answer» *PLZ MARK me as BRAINLIST........*

10.

1. What is the weight5. Calculate the weight of 3.491 x 1019 molecules of Cl..

Answer»

PLZ MARK me as BRAINLIST........

Discussion

11.	Rationalize the denominators of the following :if 1\x = 7+4√3, find the value of x2 + 1\x2 and x2 - 1\x2 plz help me fast
Answer» ANSWER: ...... LET me THINK......

11.

Rationalize the denominators of the following :if 1\x = 7+4√3, find the value of x2 + 1\x2 and x2 - 1\x2 plz help me fast

Answer»

ANSWER:

...... LET me THINK......

Discussion

12.	Find the value of y. 35456056
Answer» $\Huge\purple{\boxed{\purple{\mathbb{\overbrace{\underbrace{\fcolorbox{orange}{aqua}{\underline{\red{ <klux>ANSWER</klux> }}}}}}}}}$ 65° is your answer.... Since 135 to be subtracted by 180...they are corresponding angle...

12.

Find the value of y. 35456056

Answer»

$\Huge\purple{\boxed{\purple{\mathbb{\overbrace{\underbrace{\fcolorbox{orange}{aqua}{\underline{\red{ <klux>ANSWER</klux> }}}}}}}}}$

65° is your answer.... Since 135 to be subtracted by 180...they are corresponding angle...

Discussion

13.	The product of 3 consecutive integers is 120 then the greatest number is?
Answer» GIVEN : the product of 3 consecutive integers is 120 To Find : the GREATEST numbers Solution: the product of 3 consecutive integers is 120 Hence 3 consecutive numbers will be factor of 120 120 = 1 X 120 120 = 2 x 60 120 = 3 x 40 120 = 4 x 30 120 = 5 x 24 120 = 6 x 20 120 = 8 x 15 120 = 10 x 12 So all the factors of 120 are 1 , 2 , 3 , 4 , 5 , 6 , 8 , 10 , 12 , 15 , 20 , 24 , 30 , 40 , 60 , 120 Consecutive factors are: 1 , 2 , 3 , 4 , 5 , 6 1 x 2 x 3 = 6 2 x 3 x 4 = 24 3 x 4 x 5 = 60 4 x 5 x 6 = 120 4 x 5 x 6 = 120 three consecutive integers are 4 , 5 & 6 whose product is 120 and 6 is the greatest number Learn More: show that product of 3 consecutive POSITIVE integer is 6 - Brainly.in brainly.in/question/10387899 If the sum of 3 consecutive integers in ap is 27 and product of first ... brainly.in/question/7363995 brainly.in/question/31976546

13.

The product of 3 consecutive integers is 120 then the greatest number is?

Answer»

GIVEN : the product of 3 consecutive integers is 120

To Find : the GREATEST numbers

Solution:

the product of 3 consecutive integers is 120

Hence 3 consecutive numbers will be factor of 120

120 = 1 X 120

120 = 2 x 60

120 = 3 x 40

120 = 4 x 30

120 = 5 x 24

120 = 6 x 20

120 = 8 x 15

120 = 10 x 12

So all the factors of 120 are

1 , 2 , 3 , 4 , 5 , 6 , 8 , 10 , 12 , 15 , 20 , 24 , 30 , 40 , 60 , 120

Consecutive factors are:

1 , 2 , 3 , 4 , 5 , 6

1 x 2 x 3 = 6

2 x 3 x 4 = 24

3 x 4 x 5 = 60

4 x 5 x 6 = 120

three consecutive integers are 4 , 5 & 6 whose product is 120

and 6 is the greatest number

Learn More:

show that product of 3 consecutive POSITIVE integer is 6 - Brainly.in

brainly.in/question/10387899

If the sum of 3 consecutive integers in ap is 27 and product of first ...

brainly.in/question/7363995

brainly.in/question/31976546

Discussion

14.	Valery bought hand sanitizers worth (60x+45y)pesos. If she buys 15 bottles of hand sanitizers, how much is the cost of each?
Answer» ANSWER: why do you WANT this answer YA Step-by-step EXPLANATION: are you CHEATING

14.

Valery bought hand sanitizers worth (60x+45y)pesos. If she buys 15 bottles of hand sanitizers, how much is the cost of each?

Answer»

ANSWER:

why do you WANT this answer YA

Step-by-step EXPLANATION:

are you CHEATING

Discussion

15.	12. The total surface area of a cube is 1944 sq cm. Find the length of its side. answer should be 18 cm plz
Answer» The answer is 18 cm Explanation:- The formula for total SURFACE AREA of cube = 6 a^2 So 6a^2=1944 A^2=1944/6 A^2= 324 A=under the root 324 A= 18

Discussion

16.	Which one is smaller 1.732 or 0.1 732
Answer» Answer: 0.1732 is SMALLER ...... Step-by-step EXPLANATION: its EASY

16.

Which one is smaller 1.732 or 0.1 732

Answer»

Answer:

0.1732 is SMALLER ......

Step-by-step EXPLANATION:

its EASY

Discussion

17.	8. Cost of 1 litre petrol is 137/3 find the cost of 7/2?litres of petrol.
Answer» ⇈⇈⇈⇈⇈⇈⇈⇈⇈⇈⇈⇈⇈⇈......

Discussion

18.	F(x) = x3 + kx2 - 4x - 12এবং g(a) -1+3+g6দুইটি ফাংশন।q3ক. {x € N:x2 > 3 এবং53
Answer» ANSWER: Answer: Galat QUESTION hai PAGAL ...... EXPLANATION: ^_^

18.

F(x) = x3 + kx2 - 4x - 12এবং g(a) -1+3+g6দুইটি ফাংশন।q3ক. {x € N:x2 > 3 এবং53

Answer»

ANSWER:

Answer:

Galat QUESTION hai PAGAL ......

EXPLANATION:

^_^

Discussion

19.	Sin^2x(sin-1 x)^2find the derivatives of the following function
Answer» Answer: EXPLANATION: SAY if the problem y=sin(ax+b) Then you can FIND the DERIVATIVE of this using chain rule. dy/dx = cos(ax+b)*d/dx(ax+b) dy/dx = cos(ax+b)(a) dy/dx = acos(ax+b) Similarly y=sin(2x+1) dy/dx = cos(2x+1)d/dx(2x+1) dy/dx = cos(2x+1)(2) dy/dx=2cos(2x+1) Answer

19.

Sin^2x(sin-1 x)^2find the derivatives of the following function

Answer»

Answer:

EXPLANATION:

SAY if the problem y=sin(ax+b)

Then you can FIND the DERIVATIVE of this using chain rule.

dy/dx = cos(ax+b)*d/dx(ax+b)

dy/dx = cos(ax+b)(a)

dy/dx = acos(ax+b)

Similarly

y=sin(2x+1)

dy/dx = cos(2x+1)d/dx(2x+1)

dy/dx = cos(2x+1)(2)

dy/dx=2cos(2x+1) Answer

Discussion

20.	A Spherical Oil Drop Radius 10
Answer» ANSWER: what is the QUESTION here

20.

A Spherical Oil Drop Radius 10

Answer»

ANSWER:

what is the QUESTION here

Discussion

21.	इज इट पॉसिबल टू कंस्ट्रक्ट ए क्वॉड्रिलैटरल एबीसीडी विद टू साइड्स एबी एंड एसी एंड एंगल बी एंड एंगल सी are known..then..the given statement is true or false?
Answer» ANSWER: YES , It is POSSIBLE. .............

21.

इज इट पॉसिबल टू कंस्ट्रक्ट ए क्वॉड्रिलैटरल एबीसीडी विद टू साइड्स एबी एंड एसी एंड एंगल बी एंड एंगल सी are known..then..the given statement is true or false?

Answer»

ANSWER:

YES , It is POSSIBLE. .............

Discussion

22.	-16. Simplify and write the following in exponential form:(i) ((-2)3)2 + 5-345-5(ii) 3-5 x 32 - 3-6 + (22 x 3)2 +0112+2-1+(2319
Answer» sryzh xjgci Answer: fuuxjcgkoveTsydgcigidutyeatsufuogofisyraetsydifo Step-by-step EXPLANATION: xstsjfkfhsyrdjfjkdud yxkfkstdkgoeydlfy dkdjdifkckdhdjshsywut Urxjckhlujxgjxjgujckvvpay fifkgfsguxkotugifidrusteshdkgogiysryutflgowyeiyycayreifwewrwrerfjfaywuyfjayfdkfloxikkxod

22.

-16. Simplify and write the following in exponential form:(i) ((-2)3)2 + 5-345-5(ii) 3-5 x 32 - 3-6 + (22 x 3)2 +0112+2-1+(2319

Answer»

sryzh

xjgci

Answer:

fuuxjcgkoveTsydgcigidutyeatsufuogofisyraetsydifo

Step-by-step EXPLANATION:

xstsjfkfhsyrdjfjkdud

yxkfkstdkgoeydlfy dkdjdifkckdhdjshsywut

Urxjckhlujxgjxjgujckvvpay fifkgfsguxkotugifidrusteshdkgogiysryutflgowyeiyycayreifwewrwrerfjfaywuyfjayfdkfloxikkxod

Discussion

23.	Find the value of y in figure.123574560
Answer» Answer: 57° [VERTICALLY opposite ANGLES] PLZ MARK AS BRAINLIEST

23.

Find the value of y in figure.123574560

Answer»

Answer:

57°

[VERTICALLY opposite ANGLES]

PLZ MARK AS BRAINLIEST

Discussion

24.	Y(POST-WARS( MAAXSPORS)parallel PORSPOS and A
Answer» ANSWER: ফজস্কস্কযহজসজসজস্কক্যক্কসজ্য Step-by-step EXPLANATION: দ্ভগশ্জ্জস

24.

Y(POST-WARS( MAAXSPORS)parallel PORSPOS and A

Answer»

ANSWER:

ফজস্কস্কযহজসজসজস্কক্যক্কসজ্য

Step-by-step EXPLANATION:

দ্ভগশ্জ্জস

Discussion

25.	5. Find the lateral surface area of the dice whose edge is 1 cm long. answer should be 4 sq cm plz
Answer» Answer: 4. SQ. cm Step-by-step explanation: DICE is an EXAMPLE of cube so, LATERAL surface area of cube =4a^2 (where, a= length of one SIDE of cube) =41 sq. cm = 4sq. cm

25.

5. Find the lateral surface area of the dice whose edge is 1 cm long. answer should be 4 sq cm plz

Answer»

Answer:

4. SQ. cm

Step-by-step explanation:

DICE is an EXAMPLE of cube

so, LATERAL surface area of cube =4*a^2 (where, a= length of one SIDE of cube)

=4*1 sq. cm

= 4sq. cm

Discussion

26.	guys plzz follow kar do......... ma mehaksaini....... hu..... pichle account delete kar diya........moderates na...
Answer» ANSWER: OH.....................................

26.

guys plzz follow kar do......... ma mehaksaini....... hu..... pichle account delete kar diya........moderates na...

Answer»

ANSWER:

OH.....................................

Discussion

27.	Average of four numbers is 26.sum 0f smallest and largest number is 55.if difference between other two numbers is one then find the square of second smaller number
Answer» Answer: US din me ☺️☺️☺️☺️☺️☺️☺️❤️❤️☺️❤️☺️☺️❤️☺️❤️❤️❤️☺️☺️☺️ Step-by-step explanation: H and m and AQ to the square footage from the first ONE to each entry to each of each entry to uf uf uf the square footage clip with the E e

27.

Average of four numbers is 26.sum 0f smallest and largest number is 55.if difference between other two numbers is one then find the square of second smaller number

Answer»

Answer:

US din me ☺️☺️☺️☺️☺️☺️☺️❤️❤️☺️❤️☺️☺️❤️☺️❤️❤️❤️☺️☺️☺️

Step-by-step explanation:

H and m and AQ to the square footage from the first ONE to each entry to each of each entry to uf uf uf the square footage clip with the E e

Discussion

28.	MathematicsVasauth HR1. Find the value of k such that the equation (2k+3) x2+2(k+3) x+(k+5) =0 has equal roots
Answer» ANSWER: why do you WANT this answer YA Step-by-step EXPLANATION: are you CHEATING

28.

MathematicsVasauth HR1. Find the value of k such that the equation (2k+3) x2+2(k+3) x+(k+5) =0 has equal roots

Answer»

ANSWER:

why do you WANT this answer YA

Step-by-step EXPLANATION:

are you CHEATING

Discussion

29.	(sec- A-1)² - (tanA - sinA)² = (1-cosA)²
Answer» To PROVE :- $\sf (secA-1)^2-(tanA-sinA)^2 = (1-cosA)^2$ SOLUTION :- $\sf L.H.S = (secA-1)^2- (tanA-sinA)^2= ( 1-cosA)^2$ $= \sf sec^2A+1-2secA -(tan^2A+sin^2A-2tanAsinA ) \\\\= sec^2A+1-2secA-tan^2A-sin^2A+2tanAsinA \\\\= (sec^2A-tan^2A)+(1-sin^2A)-2secA+2tanAsinA$ $\bullet \bf \ sec^2-tan^2A= 1 \\\\\bullet \ 1-sin^2A = cos^2A$ $= \sf 1+cos^2A-2secA+2tanAsinA \\\\= 1+cos^2A -2(secA+tanAsinA)$ $\bullet \bf \ secA= \dfrac{1}{cosA} \\\\\bullet \ tanA = \dfrac{sinA}{cosA}$ $= \sf 1+cos^2A -2 \left( \dfrac{1}{cosA} +\dfrac{sinA}{cosA} \times sinA \right) \\\\= 1+cos^2A- 2 \left( \dfrac{1-sin^2A}{cosA} \right) \\\\= 1+cos^2A -2 \times \dfrac{cos^2A}{cosA} \\\\= 1+cos^2A - 2cosA \\\\= (1-cosA)^2\\\\= R.H.S$ HENCE PROVED.

29.

(sec- A-1)² - (tanA - sinA)² = (1-cosA)²

Answer»

To PROVE :-

$\sf (secA-1)^2-(tanA-sinA)^2 = (1-cosA)^2$

SOLUTION :-

$\sf L.H.S = (secA-1)^2- (tanA-sinA)^2= ( 1-cosA)^2$

$= \sf sec^2A+1-2secA -(tan^2A+sin^2A-2tanAsinA ) \\\\= sec^2A+1-2secA-tan^2A-sin^2A+2tanAsinA \\\\= (sec^2A-tan^2A)+(1-sin^2A)-2secA+2tanAsinA$

$\bullet \bf \ sec^2-tan^2A= 1 \\\\\bullet \ 1-sin^2A = cos^2A$

$= \sf 1+cos^2A-2secA+2tanAsinA \\\\= 1+cos^2A -2(secA+tanAsinA)$

$\bullet \bf \ secA= \dfrac{1}{cosA} \\\\\bullet \ tanA = \dfrac{sinA}{cosA}$

$= \sf 1+cos^2A -2 \left( \dfrac{1}{cosA} +\dfrac{sinA}{cosA} \times sinA \right) \\\\= 1+cos^2A- 2 \left( \dfrac{1-sin^2A}{cosA} \right) \\\\= 1+cos^2A -2 \times \dfrac{cos^2A}{cosA} \\\\= 1+cos^2A - 2cosA \\\\= (1-cosA)^2\\\\= R.H.S$

HENCE PROVED.

Discussion

30.	By what rational number should -21/23 be divided to get 3/46?
Answer» ANSWER: Let the RATIONAL NUMBER be X. Then, $\frac{ - 21}{23} \div x = \frac{3}{46}$ $= > x = - \frac{21}{23} \div \frac{3}{46}$ $= > x = - \frac{21}{23} \times \frac{46}{3}$ $= > x = - <klux>14</klux>$ So, that rational number should be -14

30.

By what rational number should -21/23 be divided to get 3/46?

Answer»

ANSWER:

Let the RATIONAL NUMBER be X.

Then,

$\frac{ - 21}{23} \div x = \frac{3}{46}$

$= > x = - \frac{21}{23} \div \frac{3}{46}$

$= > x = - \frac{21}{23} \times \frac{46}{3}$

$= > x = - <klux>14</klux>$

So, that rational number should be -14

Discussion

31.	IN quadrilateral ABCD , AC= AB bisect angle A. show that ∆ABC congruent ∆ABD.what can you say about BC and BD ?
Answer» Answer: I HOPE IT'S HELP YOU PLEASE MARK ME BRAINLIST

31.

IN quadrilateral ABCD , AC= AB bisect angle A. show that ∆ABC congruent ∆ABD.what can you say about BC and BD ?

Answer»

Answer:

I HOPE IT'S HELP YOU

PLEASE MARK ME BRAINLIST

Discussion

32.	TUIS UI an algebric expression separa(a) terms(b) variables(ii) A monomial has only(a) two terms(b) one termsadd the following expressions:(i) 4 x2 - 5 x + 6, 3 x - 2 x2 - 1 and 5 x2 + 8(ii) x4 - 2 xy + 3 xy2 + 4 x y2 + 3 y4, 7 x®y8 5 y 2y 4 y 5 yii)352. 3 31 7 1 1 17y +4 y2 +2y++
Answer» ANSWER: is kuch samaj ma NHI AA raha hai

32.

TUIS UI an algebric expression separa(a) terms(b) variables(ii) A monomial has only(a) two terms(b) one termsadd the following expressions:(i) 4 x2 - 5 x + 6, 3 x - 2 x2 - 1 and 5 x2 + 8(ii) x4 - 2 xy + 3 xy2 + 4 x y2 + 3 y4, 7 x®y8 5 y 2y 4 y 5 yii)352. 3 31 7 1 1 17y +4 y2 +2y++

Answer»

ANSWER:

is kuch samaj ma NHI AA raha hai

Discussion

33.	Certain number of persons sit on a linear row and allof them face north direction. E sits second to theright of D. Two persons sit between E and B. B and Fare to the immediate neighbours of each other. Gsits to the immediate right of F. Two persons sitbetween G and C. No one sits to the right of C. A andC are to the immediate neighbours of each other.
Answer» ANSWER: I ALSO don't this what tocdo

33.

Certain number of persons sit on a linear row and allof them face north direction. E sits second to theright of D. Two persons sit between E and B. B and Fare to the immediate neighbours of each other. Gsits to the immediate right of F. Two persons sitbetween G and C. No one sits to the right of C. A andC are to the immediate neighbours of each other.

Answer»

ANSWER:

I ALSO don't this what tocdo

Discussion

34.	It tan²45Sin ²63 + sin² 27cos²97-cos²63
Answer» ANSWER: it's a answer of this QUESTION

34.

It tan²45Sin ²63 + sin² 27cos²97-cos²63

Answer»

ANSWER:

it's a answer of this QUESTION

Discussion

35.	So l v e 4x+3 = 6+2x
Answer» ANSWER: PLZ MARK me as BRAIN LIST

35.

So l v e 4x+3 = 6+2x

Answer»

ANSWER:

PLZ MARK me as BRAIN LIST

Discussion

36.	what is the volume of mercury in cm³ if the mass of mercury is 1 kg and density of mercury is 13.6 gm/cm³
Answer» Answer: DENSITY = mass/volume density = 13.6 or 136/10 gm/cm³ mass = 1KG or 1000gm therefore, let volume be = X cm³ so, the equation WOULD be LIKE :- 136/10 = 1000/x => 136x = 10000 => x = 73.53 cm³ ( approx ) hope it helped :)

36.

what is the volume of mercury in cm³ if the mass of mercury is 1 kg and density of mercury is 13.6 gm/cm³

Answer»

Answer:

DENSITY = mass/volume

density = 13.6 or 136/10 gm/cm³

mass = 1KG or 1000gm

therefore, let volume be = X cm³

so, the equation WOULD be LIKE :-

136/10 = 1000/x

=> 136x = 10000

=> x = 73.53 cm³ ( approx )

hope it helped :)

Discussion

37.	Howpeople you are ?discribe?
Answer» We describe people all the time. For example, you might tell your FRIENDS what your boss is like. You might tell your sister what that CUTE guy you SAW looks like. Even outside of everyday conversations, it’s very useful to know how to describe people. Descriptions are used a lot in books, in ARTICLES and in other kinds of communication in English. Reading or hearing a description of someone can give you a better idea of what they look like or ACT like. is this helpful fou u

37.

Howpeople you are ?discribe?

Answer»

We describe people all the time. For example, you might tell your FRIENDS what your boss is like. You might tell your sister what that CUTE guy you SAW looks like.

Even outside of everyday conversations, it’s very useful to know how to describe people. Descriptions are used a lot in books, in ARTICLES and in other kinds of communication in English. Reading or hearing a description of someone can give you a better idea of what they look like or ACT like.

is this helpful fou u

Discussion

38.	(1) The melting point of copper is(a) 923°C(b) 1083°C(c) 383°C(d) 1183°C
Answer» ANSWER: I THINK 1083. is the RIGHT answer

38.

(1) The melting point of copper is(a) 923°C(b) 1083°C(c) 383°C(d) 1183°C

Answer»

ANSWER:

I THINK 1083. is the RIGHT answer

Discussion

39.	15. Find the value of k for which pair of linear equations 3x + 2y = -5 and x - ky =2 has a unique solution
Answer» Answer: $\bigstar{\bold{k\neq \dfrac{-2}{3} , k \in R}}$ Step-by-step explanation: $\Large{\underline{\sf{Given:}}}$ A pair of linear EQUATIONS: 3x + 2y = -5 x - ky = 2 $\Large{\underline{\sf{To\:Find:}}}$ The value of k so that the equations have a unique SOLUTION $\Large{\underline{\sf{Solution:}}}$ ➟ Here we have to find the value of k so that the given pair of equations is consistent and has a unique solution. ➟ If a pair of equations are consistent, we know that, $\tt \dfrac{a_1}{a_2} \neq \dfrac{b_1}{b_2}$ ➟ Here a₁ = 3 a₂ = 1 b₁ = 2 b₂ = -k ➟ Substituting the datas we get, $\tt \dfrac{3}{1} \neq \dfrac{2}{-k}$ ➟ Cross multiplying we get, -3K ≠ 2 k ≠ -2/3 ➟ Hence k can take the value of any real number EXCEPT -2/3. $\boxed{\bold{k\neq \dfrac{-2}{3} , k \in R}}$ $\Large{\underline{\sf{Notes:}}}$ ➟ If a pair of linear equations is: ➵ consistent and has a unique solution then, $\tt \dfrac{a_1}{a_2} \neq \dfrac{b_1}{b_2}$ ➵ consistent and has infinite number of solutions, $\tt \dfrac{a_1}{a_2} = \dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}$ ➵ inconsistent and has no solution, $\tt \dfrac{a_1}{a_2} = \dfrac{b_1}{b_2}\neq \dfrac{c_1}{c_2}$

39.

15. Find the value of k for which pair of linear equations 3x + 2y = -5 and x - ky =2 has a unique solution

Answer»

Answer:

$\bigstar{\bold{k\neq \dfrac{-2}{3} , k \in R}}$

Step-by-step explanation:

$\Large{\underline{\sf{Given:}}}$

A pair of linear EQUATIONS:

3x + 2y = -5
x - ky = 2

$\Large{\underline{\sf{To\:Find:}}}$

The value of k so that the equations have a unique SOLUTION

$\Large{\underline{\sf{Solution:}}}$

➟ Here we have to find the value of k so that the given pair of equations is consistent and has a unique solution.

➟ If a pair of equations are consistent, we know that,

$\tt \dfrac{a_1}{a_2} \neq \dfrac{b_1}{b_2}$

➟ Here a₁ = 3

a₂ = 1

b₁ = 2

b₂ = -k

➟ Substituting the datas we get,

$\tt \dfrac{3}{1} \neq \dfrac{2}{-k}$

➟ Cross multiplying we get,

-3K ≠ 2

k ≠ -2/3

➟ Hence k can take the value of any real number EXCEPT -2/3.

$\boxed{\bold{k\neq \dfrac{-2}{3} , k \in R}}$

$\Large{\underline{\sf{Notes:}}}$

➟ If a pair of linear equations is:

➵ consistent and has a unique solution then,

$\tt \dfrac{a_1}{a_2} \neq \dfrac{b_1}{b_2}$

➵ consistent and has infinite number of solutions,

$\tt \dfrac{a_1}{a_2} = \dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}$

➵ inconsistent and has no solution,

$\tt \dfrac{a_1}{a_2} = \dfrac{b_1}{b_2}\neq \dfrac{c_1}{c_2}$

Discussion

40.	If a number exceeds 2/3 of itself by 7 then the number is?
Answer» $let \: the \: <klux>NUMBER</klux> \: be \: x$ ACCORDING to the QUESTION $= > x =( \frac{2}{3} \times x) + 7$ $= > x - \frac{2x}{3} = 7$ $= > \frac{x}{3} = 7$ $= > x = 7 \times 3 = <klux>21</klux>$ So, the number is 21

40.

If a number exceeds 2/3 of itself by 7 then the number is?

Answer»

$let \: the \: <klux>NUMBER</klux> \: be \: x$

ACCORDING to the QUESTION

$= > x =( \frac{2}{3} \times x) + 7$

$= > x - \frac{2x}{3} = 7$

$= > \frac{x}{3} = 7$

$= > x = 7 \times 3 = <klux>21</klux>$

So, the number is 21

Discussion

41.	1) write the transpore of the followinga) (4 2 0) -1 2 1b) (3 2) -1 0 2 1c) (2 3 4) 5 -1 0 2 1 2
Answer» ANSWER: what is MEAN by TRANSPORE

41.

1) write the transpore of the followinga) (4 2 0) -1 2 1b) (3 2) -1 0 2 1c) (2 3 4) 5 -1 0 2 1 2

Answer»

ANSWER:

what is MEAN by TRANSPORE

Discussion

42.	- Solvei1)Evaluate :2) Simolibus++6
Answer» ANSWER: MARK as BRAINLEAST FOLLOW ME ♥

42.

- Solvei1)Evaluate :2) Simolibus++6

Answer»

ANSWER:

MARK as BRAINLEAST FOLLOW ME ♥

Discussion

43.	What is the sum of the first 30 natural number
Answer» The FIRST 30 NATURAL NUMBER are :- 1±2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30 = 465

43.

What is the sum of the first 30 natural number

Answer»

The FIRST 30 NATURAL NUMBER are :-

1±2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30 = 465

Discussion

44.	চিত্র দুইটার সমাধান কি??
Answer» ANSWER: ............................................

44.

চিত্র দুইটার সমাধান কি??

Answer»

ANSWER:

............................................

Discussion

45.	(b) In triangle PQR,65° and PQ = 4 cm.Calculate QR, using as much of theinformation below as is necessary.25°Sin0.422 6Cod0.906 3Tan0.466 365°Sin0.906 3Cos0.4226Tan2.145
Answer» Step-by-step explanation: please MENTION all details correctly... please attach PIC also...

45.

(b) In triangle PQR,65° and PQ = 4 cm.Calculate QR, using as much of theinformation below as is necessary.25°Sin0.422 6Cod0.906 3Tan0.466 365°Sin0.906 3Cos0.4226Tan2.145

Answer»

Step-by-step explanation:

please MENTION all details correctly...

please attach PIC also...

Discussion

46.	Plz tell the answer step by step
Answer» ANSWER: AREA of SQUARE = 225 m² Rate = Rs. 21.50 Cost of fencing = 225 × 21.50

46.

Plz tell the answer step by step

Answer»

ANSWER:

AREA of SQUARE = 225 m²

Rate = Rs. 21.50

Cost of fencing = 225 × 21.50

Discussion

47.	If QP = b = c and b2ac, prove thatq2prP +2
Answer» ANSWER: PLEASE WRITE the QUESTION CORRECTLY.

47.

If QP = b = c and b2ac, prove thatq2prP +2

Answer»

ANSWER:

PLEASE WRITE the QUESTION CORRECTLY.

Discussion

48.	each side of a table cloth measure 30cm. sugna wants to put a chain stitch along its sides. what length of the stitch should she put?
Answer» EACH SIDE OF THE TABLE CLOTH=30cm SO, 30*4=120

48.

each side of a table cloth measure 30cm. sugna wants to put a chain stitch along its sides. what length of the stitch should she put?

Answer»

EACH SIDE OF THE TABLE CLOTH=30cm

SO,

30*4=120

Discussion

49.	Ascending order 32145 12453 54123 21345
Answer» QUESTION :- write in ascending order :- 32145, 12453, 54123, 21345 . ? Solution :- Ascending order :- from smallest to LARGEST . Or in increasing order . So, Smallest number among given four numbers 32145, 12453, 54123, 21345 is :- 12453 . SECOND Number :- 21345 Third number :- 32145 Largest number :- 54123 Therefore, → Ascending order = 12453 < 21345 < 32145 < 54123. Learn more :- 57.63 : 3 is the. PLACE brainly.in/question/23514539 Product of digit in the tenths place and thousandths place of 15.246 brainly.in/question/23804815

49.

Ascending order 32145 12453 54123 21345

Answer»

QUESTION :- write in ascending order :- 32145, 12453, 54123, 21345 . ?

Solution :-

Ascending order :-

from smallest to LARGEST . Or in increasing order .

So,

Smallest number among given four numbers 32145, 12453, 54123, 21345 is :-

12453 .

SECOND Number :-

21345

Third number :-

32145

Largest number :-

54123

Therefore,

→ Ascending order = 12453 < 21345 < 32145 < 54123.

Learn more :-

57.63 : 3 is the. PLACE

brainly.in/question/23514539

Product of digit in the tenths place and thousandths place of 15.246

brainly.in/question/23804815

Discussion

50.	(c) Under which conditions the straight linex-a/l=y-b/m=z-c/nintersects the plane Ax + By + CZ + D = 0at a point other than (a, b, c)?
Answer» Answer: I am sorry I don't know I am very very sorry Step-by-step EXPLANATION: PLEASE PLEASE FOLLOW ME AND MARK BRAND LIST ANSWER

50.

(c) Under which conditions the straight linex-a/l=y-b/m=z-c/nintersects the plane Ax + By + CZ + D = 0at a point other than (a, b, c)?

Answer»

Answer:

I am sorry I don't know I am very very sorry

Step-by-step EXPLANATION:

PLEASE PLEASE FOLLOW ME AND MARK BRAND LIST ANSWER

Discussion

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চিত্র দুইটার সমাধান কি??

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