332354 + Interview Questions in Secondary School in Math

1.	Fill in the blanks-19/29* =1
Answer» $xy = 25 \\ \\ y = 5 \\ \\ 5x = 25 \\ \\ x = \frac{25}{5} \\ \\ x = 5$

1.

Fill in the blanks-19/29* =1

Answer»

$xy = 25 \\ \\ y = 5 \\ \\ 5x = 25 \\ \\ x = \frac{25}{5} \\ \\ x = 5$

Discussion

2.	Evaluate:(i) 15 + (−8)(ii) (−16) + 9(iii) (−7) + (−23)(iv) (−32) + 47(v) 53 + (−26)(vi) (−48) + (−36)
Answer» Answer: 1.+7 2.-7 3.-30 4.+15 5.+27 6.-84 Step-by-step EXPLANATION: THANKS for OFFER

2.

Evaluate:(i) 15 + (−8)(ii) (−16) + 9(iii) (−7) + (−23)(iv) (−32) + 47(v) 53 + (−26)(vi) (−48) + (−36)

Answer»

Answer:

1.+7

2.-7

3.-30

4.+15

5.+27

6.-84

Step-by-step EXPLANATION:

THANKS for OFFER

Discussion

3.	Determine the value of 86 °F in Celsius if given that c/5=F-32/9how give answer I will follow him
Answer» Answer: 30°C Step-by-step EXPLANATION: c/5=F-32/9 put values c/5=86-32/9 c/5=54/9=6 C=5×6=30°C

3.

Determine the value of 86 °F in Celsius if given that c/5=F-32/9how give answer I will follow him

Answer»

Answer:

30°C

Step-by-step EXPLANATION:

c/5=F-32/9

put values

c/5=86-32/9

c/5=54/9=6

C=5×6=30°C

Discussion

4.	Write the pathogen triplet whose smallest number is 8
Answer» 8,15,17 pls MARK me BRAINLIEST and FOLLOW me

4.

Write the pathogen triplet whose smallest number is 8

Answer»

8,15,17

pls MARK me BRAINLIEST and FOLLOW me

Discussion

5.	Find the area of a trepezium whose parallel sides are 24cm and 20cm and distance between them is 15cm
Answer» Answer: 330cm^2 Step-by-step explanation: AREA of Trapezium = 1/2 × (24+20) × 15 = 1/2 × 44 × 15 = 22 × 15 = 330 cm^2

5.

Find the area of a trepezium whose parallel sides are 24cm and 20cm and distance between them is 15cm

Answer»

Answer:

330cm^2

Step-by-step explanation:

AREA of Trapezium = 1/2 × (24+20) × 15

= 1/2 × 44 × 15

= 22 × 15

= 330 cm^2

Discussion

6.	N n n x x x x x 2 1 1 3 5 1 2 1 ( 1) 3 5 tan − − − + −the series determines tan−11 correct to eight significant digits. then
Answer» Answer: 1234567890 1234567890

6.

N n n x x x x x 2 1 1 3 5 1 2 1 ( 1) 3 5 tan − − − + −the series determines tan−11 correct to eight significant digits. then

Answer»

Answer:

1234567890 1234567890

Discussion

7.	. Tom typed a 36 word paragraph in 2/3 minute, What is his typing speed in words per minute?
Answer» Step-by-step explanation: 36/(2/3) =36×3/2 =18×3 =54 ANS

7.

. Tom typed a 36 word paragraph in 2/3 minute, What is his typing speed in words per minute?

Answer»

Step-by-step explanation:

36/(2/3)

=36×3/2

=18×3

=54 ANS

Discussion

8.	3x - 2y =7 and x - 2y= -3
Answer» Step-by-step explanation: 3x-2y=7. x-2y=-3. ______ 2X = 4. x=2. y= -1/2

8.

3x - 2y =7 and x - 2y= -3

Answer»

Step-by-step explanation:

3x-2y=7. x-2y=-3. ______ 2X = 4. x=2. y= -1/2

Discussion

9.	Describe the mediansaltit udes and extarior angle property of a triangle
Answer» Answer: A closed figure BOUNDED by THREE line segments is called a triangle. (d) Sum of the angles of a triangle is 180°, i.e., ∠A + ∠B + ∠C = 180°. ... The side AB is called the BASE line of ΔABC and the ANGLE formed at vertex C opposite the base line AB is called the vertical angle.

9.

Describe the mediansaltit udes and extarior angle property of a triangle

Answer»

Answer:

A closed figure BOUNDED by THREE line segments is called a triangle. (d) Sum of the angles of a triangle is 180°, i.e., ∠A + ∠B + ∠C = 180°. ... The side AB is called the BASE line of ΔABC and the ANGLE formed at vertex C opposite the base line AB is called the vertical angle.

Discussion

10.	A model of a boat is made on the scale of 1:4 the model is120 cm long the full size of the of the boat has width of 60 cm what is the width of the scale model
Answer» Answer: 15 cm Step-by-step explanation: Given :- A model of a boat is MADE on the scale of 1:4. The model is 120cm long. The full size of the boat has a width of 60cm. Solution :- → Scale factor = 1 : 4 → k = (1/4) So, → Length of model = k * Length of the ship → 120 = (1/4) * Length of the ship → Length of the ship = 120 * 4 = 480cm. Now, given that, full size of the boat has a width of 60cm. So, → Area of actual boat = Length * width = 480 * 60 = 28800 cm². Now, we know that, → Area of model = (k)² * Area of actual boat → 120 * width of model = (1/4)² * 28800 → 120 * width of model = (1/16) * 28800 → 120 * width of model = 1800 cm² . dividing both sides by 120, → width of model = 15 cm. (Ans.) Hence, width of model is 15CM.

10.

A model of a boat is made on the scale of 1:4 the model is120 cm long the full size of the of the boat has width of 60 cm what is the width of the scale model

Answer»

Answer:

15 cm

Step-by-step explanation:

Given :- A model of a boat is MADE on the scale of 1:4. The model is 120cm long. The full size of the boat has a width of 60cm.

Solution :-

→ Scale factor = 1 : 4

→ k = (1/4)

So,

→ Length of model = k * Length of the ship

→ 120 = (1/4) * Length of the ship

→ Length of the ship = 120 * 4 = 480cm.

Now, given that, full size of the boat has a width of 60cm.

So,

→ Area of actual boat = Length * width = 480 * 60 = 28800 cm².

Now, we know that,

→ Area of model = (k)² * Area of actual boat

→ 120 * width of model = (1/4)² * 28800

→ 120 * width of model = (1/16) * 28800

→ 120 * width of model = 1800 cm² .

dividing both sides by 120,

→ width of model = 15 cm. (Ans.)

Hence, width of model is 15CM.

Discussion

11.	Can you 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 and 20 table
Answer» ANSWER: HELLO! That doesn't MAKES SENSE...

11.

Can you 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 and 20 table

Answer»

ANSWER:

HELLO!

That doesn't MAKES SENSE...

Discussion

12.	Sita invested a certainamount of money and got back an amount of Rs.8800. If the bank paid an interest of Rs.1000, find the amount Isha invested.
Answer» Answer: RS 7800 Step-by-step EXPLANATION: principal = AMOUNT- interest the INVESTED money = Rs8800-Rs1000 =Rs7800 follow me mark me as brainliest

12.

Sita invested a certainamount of money and got back an amount of Rs.8800. If the bank paid an interest of Rs.1000, find the amount Isha invested.

Answer»

Answer:

RS 7800

Step-by-step EXPLANATION:

principal = AMOUNT- interest

the INVESTED money = Rs8800-Rs1000

=Rs7800

follow me

mark me as brainliest

Discussion

13.	What is the answer 6y²+12y-24
Answer» ANSWER: on the PLACES of Y TAKE 1 see 6(1)²+12(1)-24 12+12-24= 0 Step-by-step explanation: the answer is 0

13.

What is the answer 6y²+12y-24

Answer»

ANSWER:

on the PLACES of Y TAKE 1

see

6(1)²+12(1)-24

12+12-24= 0

Step-by-step explanation:

the answer is 0

Discussion

14.	Draw a tangent to a circle a radius 4cm at an point on circumference
Answer» ANSWER: why should I DRAW you draw

14.

Draw a tangent to a circle a radius 4cm at an point on circumference

Answer»

ANSWER:

why should I DRAW you draw

Discussion

15.	Write a definestion of liner
Answer» Answer: Line can be defined as a straight ONE- dimensional figure that has no thickness and extends endlessly in both directions Step-by-step EXPLANATION: PLS Mark as BRAINEST answer and follow me pls

15.

Write a definestion of liner

Answer»

Answer:

Line can be defined as a straight ONE- dimensional figure that has no thickness and extends endlessly in both directions

Step-by-step EXPLANATION:

PLS Mark as BRAINEST answer and follow me pls

Discussion

16.	Swiyan sold two motorcycle for rs 39600 each on one he lost 10%,while he gained 10% on other.find his total profit or loss percent in their transaction
Answer» Answer: 1% LOSS is there Step-by-step EXPLANATION: I HOPE it HELPED you.

16.

Swiyan sold two motorcycle for rs 39600 each on one he lost 10%,while he gained 10% on other.find his total profit or loss percent in their transaction

Answer»

Answer:

1% LOSS is there

Step-by-step EXPLANATION:

I HOPE it HELPED you.

Discussion

17.	6. F = The set of all factors of 36
Answer» Step-by-step explanation: 1,2,3,4,6,9,12,18,36 these are all FACTORS of 36

17.

6. F = The set of all factors of 36

Answer»

Step-by-step explanation:

1,2,3,4,6,9,12,18,36

these are all FACTORS of 36

Discussion

18.	The product of two consecutive positive integers is 42 what are the integers
Answer» Answer: The two consecutive INTEGERS whose product is 42 is 6 and 7. Step-by-step explanation: hope this will HELP you or otherwise i will SEND you formula

18.

The product of two consecutive positive integers is 42 what are the integers

Answer»

Answer:

The two consecutive INTEGERS whose product is 42 is 6 and 7.

Step-by-step explanation:

hope this will HELP you or otherwise i will SEND you formula

Discussion

19.	The travel time for a businesswoman traveling between Dallas and Fort Worth is uniformly distributed between 40 and 90 minutes. The probability that she will finish her trip in 80 minutes or less is
Answer» Answer: VIEW COUNTERVIEW You hear two PARENTS complaining about their children watching TV instead of studying. What is the solution? Throw the TV away? Do you agree with this view? Give US your Counterview,on this topic. Give a Suitable ride.

19.

The travel time for a businesswoman traveling between Dallas and Fort Worth is uniformly distributed between 40 and 90 minutes. The probability that she will finish her trip in 80 minutes or less is

Answer»

Answer:

VIEW COUNTERVIEW

You hear two PARENTS complaining about their children

watching TV instead of studying. What is the solution?

Throw the TV away? Do you agree with this view?

Give US your Counterview,on this topic. Give a Suitable

ride.

Discussion

20.	Find the radius of a hemisphere is csa is 308 sq cm.
Answer» Answer: The radius of a HEMISPHERE is CSA is 308 SQ cm Step-by-step EXPLANATION:

20.

Find the radius of a hemisphere is csa is 308 sq cm.

Answer»

Answer:

The radius of a HEMISPHERE is CSA is 308 SQ cm

Step-by-step EXPLANATION:

Discussion

21.	वह धातु जो तनु गंधकाम्ल से अभिक्रिया नहीं करती है, है(A)Mg(B)Fe(CAl(D)AgTha
Answer» Answer: AG Step-by-step explanation: as "Ag" is in below HYDROGEN in reactive SERIES that can't replace hydrogen from H2So4

21.

वह धातु जो तनु गंधकाम्ल से अभिक्रिया नहीं करती है, है(A)Mg(B)Fe(CAl(D)AgTha

Answer»

Answer:

AG

Step-by-step explanation:

as "Ag" is in below HYDROGEN in reactive SERIES that can't replace hydrogen from H2So4

Discussion

22.	Julie's summer vacation stared on 29 march and ended on 26 June how long was her vacation
Answer» ANSWER: It was of 90 DAYS. Step-by-step explanation: 3 days of march+30 days of APRIL+ 31 days of may + 26 days of June = 90 days

22.

Julie's summer vacation stared on 29 march and ended on 26 June how long was her vacation

Answer»

ANSWER:

It was of 90 DAYS.

Step-by-step explanation:

3 days of march+30 days of APRIL+ 31 days of may + 26 days of June = 90 days

Discussion

23.	A purse contains of rs 2500 in notes of denominator of 100 and 50 if the number of 100 rupee notes is one more than that of 50 rupee notes find the number of notes of each denominator
Answer» Answer: 2500100+50-100+500000000000000

23.

A purse contains of rs 2500 in notes of denominator of 100 and 50 if the number of 100 rupee notes is one more than that of 50 rupee notes find the number of notes of each denominator

Answer»

Answer:

2500100+50-100+500000000000000

Discussion

24.	Using the given above figure Find thevalue of x and y
Answer» X = y = 60° pls MARK me BRAINLIEST and FOLLOW me on

24.

Using the given above figure Find thevalue of x and y

Answer»

X = y = 60°

pls MARK me BRAINLIEST and FOLLOW me on

Discussion

25.	A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is the area of this path? (π = 3.14)
Answer» $\huge\tt \underline \red{Question}$ A CIRCULAR flower bed is surrounded by a path 4 m WIDE. The diameter of the flower bed is 66 m. What is the area of this path? (π = 3.14) $\rm \underline \red{Given \: :}$ Diameter of flower bed. Radius of path surrounded by flower bed. $\rm \underline \red{To \: <klux>FIND</klux> \ :}$ Area of path. $\huge\rm \underline \red{Solution╭☞}$ First, find area of flower bed↓ Radius $= \frac{66}{2} = 33m$ Area of flower bed $\red{ = \pi r {}^{2} }$ $= 3.14 \times 33 \times 33$ $= 3.14 \times 1089$ $= 3419.46 {m}^{2}$ Now, We'll find area of Path ↓ Radius of circle 2 $\sf { \{Radius \: of \: inner \: circle + Radius \: of \: path} \}$ $= (33 + 4) = 37$ Area of circle 2 $\red{= \pi r {}^{2} }$ $= 3.14 \times 37 \times 37$ $= 3.14 \times 1369$ $= 4298.66 {m}^{2}$ So, Now Area of path (SHADED region) = Area of Circle 2 - Area of flower bed $\fbox{4298.66 - 3414.46}$ $\fbox{ = 879.2 m²}$ Hence, Area of path is 879.2m². Hope It Helps You! ツ

25.

A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is the area of this path? (π = 3.14)

Answer»

$\huge\tt \underline \red{Question}$

A CIRCULAR flower bed is surrounded by a path 4 m WIDE. The diameter of the flower bed is 66 m. What is the area of this path? (π = 3.14)

$\rm \underline \red{Given \: :}$

Diameter of flower bed.
Radius of path surrounded by flower bed.

$\rm \underline \red{To \: <klux>FIND</klux> \ :}$

Area of path.

$\huge\rm \underline \red{Solution╭☞}$

First, find area of flower bed↓

Radius $= \frac{66}{2} = 33m$

Area of flower bed $\red{ = \pi r {}^{2} }$

$= 3.14 \times 33 \times 33$

$= 3.14 \times 1089$

$= 3419.46 {m}^{2}$

Now, We'll find area of Path ↓

Radius of circle 2 $\sf { \{Radius \: of \: inner \: circle + Radius \: of \: path} \}$

$= (33 + 4) = 37$

Area of circle 2 $\red{= \pi r {}^{2} }$

$= 3.14 \times 37 \times 37$

$= 3.14 \times 1369$

$= 4298.66 {m}^{2}$

So, Now Area of path (SHADED region) = Area of Circle 2 - Area of flower bed

$\fbox{4298.66 - 3414.46}$

$\fbox{ = 879.2 m²}$

Hence, Area of path is 879.2m².

Hope It Helps You! ツ

Discussion

26.	it takes 22 hours for a pipe with 12 litres per minute water to fill a swimming pool how long it will take if a different pipe is used which output 5 litre per minute
Answer» ANSWER: HIIIIIIIIIIIIIIIIIIIIIIII

26.

it takes 22 hours for a pipe with 12 litres per minute water to fill a swimming pool how long it will take if a different pipe is used which output 5 litre per minute

Answer»

ANSWER:

HIIIIIIIIIIIIIIIIIIIIIIII

Discussion

27.	If tanA=12/16 find cos A
Answer» <P>Answer: tan A = 12/16 = p/b so p = 12 nd b= 16 h = √p²+b² h = √144+256 h = √400 h = 20 so, cos A = b/h = 16/20 hope U UNDERSTAND sorry I don't have notebook with me now that's why solved here only but expect that u will manage..

27.

If tanA=12/16 find cos A

Answer»

<P>Answer:

tan A = 12/16 = p/b

so p = 12 nd b= 16

h = √p²+b²

h = √144+256

h = √400

h = 20

so,

cos A = b/h = 16/20

hope U UNDERSTAND

sorry I don't have notebook with me now that's why solved here only but expect that u will manage..

Discussion

28.	Solve by addition 649+222
Answer» $\begin{gathered}\small{{{\fcolorbox{lightgreen}{lightgreen}{ {✵ verified \: answer ✵ }}}}} \\ \end{gathered}$ 649 + 222 = 851 ____________________________________________

28.

Solve by addition 649+222

Answer»

$\begin{gathered}\small{{{\fcolorbox{lightgreen}{lightgreen}{ {✵ verified \: answer ✵ }}}}} \\ \end{gathered}$

649 + 222 = 851

____________________________________________

Discussion

29.	Sin² A + cos²A = ........????
Answer» sin²A + cos²A = 1 ANSWER

Discussion

30.	Please Give me correct answer and fast please
Answer» Answer: 2.a 3.b Step-by-step EXPLANATION: MARK as BRAINLIEST if it HELPS you please mark as brainliest anyone has doesn't mark

30.

Please Give me correct answer and fast please

Answer»

Answer:

2.a

3.b

Step-by-step EXPLANATION:

MARK as BRAINLIEST if it HELPS you

please mark as brainliest

anyone has doesn't mark

Discussion

31.	Determine the equation of the hyperbola which satisfies the given conditions: Foci (0, ±13), the conjugate axis is of length 24.
Answer» Answer: Solution: Given that: Foci (0, ±13), Conjugate axis length = 24 It is noted that the foci are on the y-axis. Therefore, the equation of the hyperbola is of the form: (y2/a2)-(x2/b2) = 1 …(1) Since the foci are (0, ±13), we can GET C = 13 It is given that, the length of the conjugate axis is 24, It becomes 2b = 24 b= 24/2 b= 12 And, we KNOW that a2 + b2 = c2 To find a, substitute the value of b and c in the above equation: a2 + 122 = 132 a2 = 169-144 a2 = 25 Now, substitute the value of a and b in equation (1), we get (y2/25)-(x2/144) = 1, which is the required equation of the hyperbola.

31.

Determine the equation of the hyperbola which satisfies the given conditions: Foci (0, ±13), the conjugate axis is of length 24.

Answer»

Answer:

Solution:

Given that: Foci (0, ±13), Conjugate axis length = 24

It is noted that the foci are on the y-axis.

Therefore, the equation of the hyperbola is of the form:

(y2/a2)-(x2/b2) = 1 …(1)

Since the foci are (0, ±13), we can GET

C = 13

It is given that, the length of the conjugate axis is 24,

It becomes 2b = 24

b= 24/2

b= 12

And, we KNOW that a2 + b2 = c2

To find a, substitute the value of b and c in the above equation:

a2 + 122 = 132

a2 = 169-144

a2 = 25

Now, substitute the value of a and b in equation (1), we get

(y2/25)-(x2/144) = 1, which is the required equation of the hyperbola.

Discussion

32.	(xy + yz) find the productive
Answer» Step-by-step EXPLANATION: *GIVEN* *expression* is (xy+yz) It can** be written as y(x+z) (xy+yz)=y(x+z)

32.

(xy + yz) find the productive

Answer»

Step-by-step EXPLANATION:

GIVEN *expression*** is (xy+yz)

It can be written as y(x+z)

(xy+yz)=y(x+z)

Discussion

33.	Find the equivalent fraction of 21/42 with denominator 6?
Answer» 21/42 = 3/6 pls MARK me BRAINLIEST and FOLLOW me on

33.

Find the equivalent fraction of 21/42 with denominator 6?

Answer»

21/42 = 3/6

pls MARK me BRAINLIEST and FOLLOW me on

Discussion

34.	If a:b=4:3 and b:c=5:4 then find a:b:c (Ratio and Proportion)
Answer» ANSWER: a:B:C=( 2b/3):b:(5b/4)=(2/3):1:(5/4).

34.

If a:b=4:3 and b:c=5:4 then find a:b:c (Ratio and Proportion)

Answer»

ANSWER:

a:B:C=( 2b/3):b:(5b/4)=(2/3):1:(5/4).

Discussion

35.	How to Divide {1284÷32} I need solution
Answer» Answer: $\frac{<klux>1284</klux>}{<klux>32</klux>} = \frac{642}{16} = \frac{321}{8} = 40 \frac{1}{8}$ TAKE the HCF of 1284 and 32 and divide both the numbers by the HCF found.

35.

How to Divide {1284÷32} I need solution

Answer»

Answer:

$\frac{<klux>1284</klux>}{<klux>32</klux>} = \frac{642}{16} = \frac{321}{8} = 40 \frac{1}{8}$

TAKE the HCF of 1284 and 32 and divide both the numbers by the HCF found.

Discussion

36.	১৪৮কাজ: রম্বসের পরিসীমা ও একটি কোণ দেওয়া আছে। রম্বসটি ক।= 13 সে.মি.।উদাহরণ ৪.ABC ত্রিভুজের ZB = 60°, ZC = 45° এবং পরিসীমা p =ক) কেল ও কম্পাস দিয়ে AB ও C অক।খ) ত্রিভুজটি অঙ্কন কর। (অঙ্কনের চিহ্ন ও বিবরণ আবশ্যক)গ) একটি রম্বস আঁক যার বাহুর দৈর্ঘ্য ? এর সমান এবং একটি কোণ 4B এর সমান। (অজ্ঞ3.চিহ্ন ও বিবরণ আবশ্যক)মাধান:600B
Answer» good morning I will send today or activity this 7 11 to see what I have not been done to do this for a few see 6 have not received it and I will mark him and niyati Nilesh Poriya to do this and niyati is a GREAT time and niyati teri meeting because my HUSBAND has been a CONFERENCE and exhibition in notebook or activity and friend has sent a conference to do the meeting please send the homework and I will send today or tomorrow you will send today it is showing sign in option is not able you can I make the meeting is over and above the meeting is over TIMING and the screen properly in religious and spiritual and physical therapy and the screen to see if you are

Discussion

37.	Draw the graphs of y=6-x-x²and find zeros in each case
Answer» Answer: 2579)_3+;'"!!.45(-65% 55584=99

37.

Draw the graphs of y=6-x-x²and find zeros in each case

Answer»

Answer:

2579)_3+;'"!!.45(-65% 55584=99

Discussion

38.	Reduce the following fractions to simplest form:,84 by 98
Answer» Step-by-step explanation: 6/7 is the SIMPLEST FORM of 84/98

38.

Reduce the following fractions to simplest form:,84 by 98

Answer»

Step-by-step explanation:

6/7 is the SIMPLEST FORM of 84/98

Discussion

39.	The factor of the following equation are x²-x-12__??!??
Answer» ANSWER: THANK my ANSWERS I will ALSO thank yours.......

39.

The factor of the following equation are x²-x-12__??!??

Answer»

ANSWER:

THANK my ANSWERS I will ALSO thank yours.......

Discussion

40.	(2) If\m2 of an A.P., then find the A.14 5= 22, then find the value of m.(3) Find the value31
Answer» Answer: Have you ever noticed the word pure written on the PACKS of these consumables? For a common person pure means having no adulteration But for a scientist all these things are actually mixtures of different substances and hence not pure For example. milk is actually a mixture of water fat PROTEINS etc When a scientist SAYS that something is pure. it means that all the constituent particles of that substance are the same in their chemical nature A pure substance consists of a single type of particles. In other WORDS, a substance is a pure single form of matter As we look around, we can see that most of the matter around us exist as mixtures of TWO or more pure components, for example, sea water minerals, sol etc are all mixtures . 2.1 What is a Mixture? Mixtures are constituted by more than one kind of pure form of matter We know that dissolved sodium chloride can be separated from water by the physical process ofHave you ever noticed the word pure written on the packs of these consumables? For a common person pure means having no adulteration But for a scientist all these things are actually mixtures of different substances and hence not pure For example. milk is actually a mixture of water fat proteins etc When a scientist says that something is pure. it means that all the constituent particles of that substance are the same in their chemical nature A pure substance consists of a single type of particles. In other words, a substance is a pure single form of matter As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water minerals, sol etc are all mixtures . 2.1 What is a Mixture? Mixtures are constituted by more than one kind of pure form of matter We know that dissolved sodium chloride can be separated from water by the physical process ofHave you ever noticed the word pure written on the packs of these consumables? For a common person pure means having no adulteration But for a scientist all these things are actually mixtures of different substances and hence not pure For example. milk is actually a mixture of water fat proteins etc When a scientist says that something is pure. it means that all the constituent particles of that substance are the same in their chemical nature A pure substance consists of a single type of particles. In other words, a substance is a pure single form of matter As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water minerals, sol etc are all mixtures . 2.1 What is a Mixture? Mixtures are constituted by more than one kind of pure form of matter We know that dissolved sodium chloride can be separated from water by the physical process of

40.

(2) If\m2 of an A.P., then find the A.14 5= 22, then find the value of m.(3) Find the value31

Answer»

Answer:

Have you ever noticed the word pure written on the PACKS of these consumables? For a common person pure means having no adulteration But for a scientist all these things are actually mixtures of different substances and hence not pure For example. milk is actually a mixture of water fat PROTEINS etc When a scientist SAYS that something is pure. it means that all the constituent particles of that substance are the same in their chemical nature A pure substance consists of a single type of particles. In other WORDS, a substance is a pure single form of matter As we look around, we can see that most of the matter around us exist as mixtures of TWO or more pure components, for example, sea water minerals, sol etc are all mixtures . 2.1 What is a Mixture? Mixtures are constituted by more than one kind of pure form of matter We know that dissolved sodium chloride can be separated from water by the physical process ofHave you ever noticed the word pure written on the packs of these consumables? For a common person pure means having no adulteration But for a scientist all these things are actually mixtures of different substances and hence not pure For example. milk is actually a mixture of water fat proteins etc When a scientist says that something is pure. it means that all the constituent particles of that substance are the same in their chemical nature A pure substance consists of a single type of particles. In other words, a substance is a pure single form of matter As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water minerals, sol etc are all mixtures . 2.1 What is a Mixture? Mixtures are constituted by more than one kind of pure form of matter We know that dissolved sodium chloride can be separated from water by the physical process ofHave you ever noticed the word pure written on the packs of these consumables? For a common person pure means having no adulteration But for a scientist all these things are actually mixtures of different substances and hence not pure For example. milk is actually a mixture of water fat proteins etc When a scientist says that something is pure. it means that all the constituent particles of that substance are the same in their chemical nature A pure substance consists of a single type of particles. In other words, a substance is a pure single form of matter As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water minerals, sol etc are all mixtures . 2.1 What is a Mixture? Mixtures are constituted by more than one kind of pure form of matter We know that dissolved sodium chloride can be separated from water by the physical process of

Discussion

41.	Find the interest on Rs.6200 at 3% per annum for 3 years
Answer» ANSWER: Rs.558 is the INTEREST of 3YEARS

41.

Find the interest on Rs.6200 at 3% per annum for 3 years

Answer»

ANSWER:

Rs.558 is the INTEREST of 3YEARS

Discussion

42.	15 5/86% of 480 mPlease
Answer» ANSWER: 0.279069767 METERS is the answer

42.

15 5/86% of 480 mPlease

Answer»

ANSWER:

0.279069767 METERS is the answer

Discussion

43.	If tanA =8/6 find sin a
Answer» 8 Hope it HELPS you buddy Tushar here follow for more

43.

If tanA =8/6 find sin a

Answer»

8

Hope it HELPS you buddy

Tushar here

follow for more

Discussion

44.	Divide -4/5 with the reciprocal 6/5
Answer» ANSWER: -4/5 ÷ 5/6 -4/5 ×6/5 -24/25

44.

Divide -4/5 with the reciprocal 6/5

Answer»

ANSWER:

-4/5 ÷ 5/6

-4/5 ×6/5

-24/25

Discussion

45.	If anyone could help? Find XQuestion from matrices class 10.
Answer» Answer: 7/66 Step-by-step explanation: [24-(-3)1]x= 7/6 [8+3]x. =7/6 11x = 7/6 x= 7 11*6 x= 7 66

45.

If anyone could help? Find XQuestion from matrices class 10.

Answer»

Answer:

7/66

Step-by-step explanation:

[2*4-(-3)*1]x= 7/6

[8+3]x. =7/6

11x = 7/6

x= 7

11*6

x= 7

66

Discussion

46.	1. Factorise.11ab²c + 22ab-llabc2.
Answer» Answer: 11ab²c+22ab-11abc 11ab(bc+2-c)

46.

1. Factorise.11ab²c + 22ab-llabc2.

Answer»

Answer:

11ab²c+22ab-11abc

11ab(bc+2-c)

Discussion

47.	Determine the foci coordinates, the vertices, the length of the major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse (x2/49) + (y2/36) = 1
Answer» Answer: Solution: The given equation is (x2/49) + (y2/36) = 1 It can be written as (x2/72) + (y2/62) = 1 It is noticed that the denominator of x2/49 is greater than the denominator of the y2/36 On comparing the equation with (x2/a2) + (y2/b2) = 1, we will get a= 7 and b = 6 Therefore, c = √(a2– b2) Now, substitute the value of a and b ⇒ √(a2– b2) = √(72– 62) = √(49-36) ⇒ √13 Hence, the FOCI COORDINATES are ( ± √13, 0) Eccentricity, e = c/a = √13/ 7 Length of the major axis = 2a = 2(7) = 14 Length of the minor axis = 2b = 2(6) =12 The coordinates of the VERTICES are ( ± 7, 0) Latus rectum Length= 2b2/a = 2(6)2/7 = 2(36)/7 = 72/7

47.

Determine the foci coordinates, the vertices, the length of the major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse (x2/49) + (y2/36) = 1

Answer»

Answer:

Solution:

The given equation is (x2/49) + (y2/36) = 1

It can be written as (x2/72) + (y2/62) = 1

It is noticed that the denominator of x2/49 is greater than the denominator of the y2/36

On comparing the equation with (x2/a2) + (y2/b2) = 1, we will get

a= 7 and b = 6

Therefore, c = √(a2– b2)

Now, substitute the value of a and b

⇒ √(a2– b2) = √(72– 62) = √(49-36)

⇒ √13

Hence, the FOCI COORDINATES are ( ± √13, 0)

Eccentricity, e = c/a = √13/ 7

Length of the major axis = 2a = 2(7) = 14

Length of the minor axis = 2b = 2(6) =12

The coordinates of the VERTICES are ( ± 7, 0)

Latus rectum Length= 2b2/a = 2(6)2/7 = 2(36)/7 = 72/7

Discussion

48.	1+cosA/1-cosA=7+4root3 find the value of 1+sinA/1-sinA=
Answer» ANSWER: I am not FAKE but I am BROKEN

48.

1+cosA/1-cosA=7+4root3 find the value of 1+sinA/1-sinA=

Answer»

ANSWER:

I am not FAKE but I am BROKEN

Discussion

49.	Find the area of the given rectangle .
Answer» Answer: a²-b² Step-by-step EXPLANATION: By using the identity, (a+B)(a-b)=a²-b². Area of rectangle=L×b Here l=(a+b) b=(a-b) so this is the answer. Hope this HELPS..,

49.

Find the area of the given rectangle .

Answer»

Answer:

a²-b²

Step-by-step EXPLANATION:

By using the identity, (a+B)(a-b)=a²-b².

Area of rectangle=L×b

Here

l=(a+b)

b=(a-b)

so this is the answer.

Hope this HELPS..,

Discussion

50.	Find the 5th term from the end of G.P 3,6,12,24.....12288
Answer» ANSWER According to the PROBLEM: GP=3,6,12,24,........ HENCE, a N =3×2 (n−1) similarly GP=3,6,12,24,......,12288 12288=3×2 (n−1) 4096=2 (n−1) 2 12 =2 (n−1) 12=n−1 n=13 Tushar here

50.

Find the 5th term from the end of G.P 3,6,12,24.....12288

Answer»

ANSWER

According to the PROBLEM:

GP=3,6,12,24,........

HENCE,

a

N

=3×2

(n−1)

similarly

GP=3,6,12,24,......,12288

12288=3×2

(n−1)

4096=2

(n−1)

2

12

=2

(n−1)

12=n−1

n=13

Tushar here

Discussion

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