332354 + Interview Questions in Secondary School in Math

1.	If x ==3+2√2.Then find
Answer» $\huge\boxed{\fcolorbox{blue}{orange}{HELLO\:MATE}}$ ANSWER in ATTACHMENT: $\huge\orange{\boxed{Answer:27+19\sqrt{2}}}$

1.

If x ==3+2√2.Then find

Answer»

$\huge\boxed{\fcolorbox{blue}{orange}{HELLO\:MATE}}$

ANSWER in ATTACHMENT:

$\huge\orange{\boxed{Answer:27+19\sqrt{2}}}$

Discussion

2.	Can you solve this ?( ) + ( ) + ( ) = 30If you don't know please don't answer it.
Answer» ANSWER: it can be 1+3+11+15 Step-by-step EXPLANATION: HOPE it HELPS U

2.

Can you solve this ?( ) + ( ) + ( ) = 30If you don't know please don't answer it.

Answer»

ANSWER:

it can be 1+3+11+15

Step-by-step EXPLANATION:

HOPE it HELPS U

Discussion

3.	A new laptop costs $899.00. You got it on sale for 25% off. What price did you pay for the new laptop?
Answer» ANSWER: $674.25 Step-by-step explanation: TOTAL AMOUNT is 100% 25% off = 25% reduced form the cost 25% of $899 is $224.75 Amount paid = 899 - 224.75 = $674.25

3.

A new laptop costs $899.00. You got it on sale for 25% off. What price did you pay for the new laptop?

Answer»

ANSWER:

$674.25

Step-by-step explanation:

TOTAL AMOUNT is 100%
25% off = 25% reduced form the cost
25% of $899 is $224.75
Amount paid = 899 - 224.75 = $674.25

Discussion

4.	An automatic letter sorter in a post office can sort 3 800 letters in 8 minutes. Calculate how long it will take to sort 9 500 letters.
Answer» 3800 = 8 9500 = ? 3800×9500÷8 4512500 is the ANSWER PLZZ MARK as branilest answer and FOLLOW me plzz mark as branilest answer

Discussion

5.	64msquare - 343ncube can we factorise it ??
Answer» ANSWER: we can not FACTORISE it I THINK

5.

64msquare - 343ncube can we factorise it ??

Answer»

ANSWER:

we can not FACTORISE it I THINK

Discussion

6.	دماغ ھے تو جواب21 لڑکا 1 لڑکی دونوں موٹر سائیکل پے جا رھے تھےپولیس والے نے روکا اور رشتا پوچھالڑکا بولا اسکا سسر میرے سسر کا باپ ھےبتاؤ لڑکا لڑکی آپس میں کیا لگتے ھیں
Answer» Answer: خواتین کو سفر کے معاملے میں خودمختار بنانے کی غرض سے پاکستان کے سب سے بڑے صوبے پنجاب سے شروع ہونے والے ’ویمن آن ویلز‘ کے منصوبے کے تحت موٹر سائیکل چلانا سیکھنے والی خواتین کا خیال ہے کہ مردوں کی سوچ میں تبدیلی لانا لڑکیوں کو موٹر سائیکل سکھانے سے زیادہ ضروری ہے۔ گذشتہ روز ’اپنی سواری خود مختاری‘ کے نظریے کے تحت پنجاب سے شروع ہونے والے اس پراجیکٹ کو صوبہ سندھ میں متعارف کروایا گیا ہے۔ مگر اس سکیم کے باوجود بھی پنجاب میں خواتین کی ایک قلیل تعداد ہی سڑکوں پر موٹرسائیکل چلاتی دکھائی دیتی ہے۔ یہ بھی پڑھیے طالبات کے لیے بائیک ٹو سکول منصوبہ ’ہراساں کیے جانے سے تنگ آ کر بائیک چلائی‘ ’ہمت اور گھر والوں کا ساتھ ہو تو کچھ Step-by-step EXPLANATION: PLEASE MARK MY ANSWER AS BRAINLIEST *HOPE* IT *HELPS* *YOU*

6.

دماغ ھے تو جواب21 لڑکا 1 لڑکی دونوں موٹر سائیکل پے جا رھے تھےپولیس والے نے روکا اور رشتا پوچھالڑکا بولا اسکا سسر میرے سسر کا باپ ھےبتاؤ لڑکا لڑکی آپس میں کیا لگتے ھیں

Answer»

Answer:

خواتین کو سفر کے معاملے میں خودمختار بنانے کی غرض سے پاکستان کے سب سے بڑے صوبے پنجاب سے شروع ہونے والے ’ویمن آن ویلز‘ کے منصوبے کے تحت موٹر سائیکل چلانا سیکھنے والی خواتین کا خیال ہے کہ مردوں کی سوچ میں تبدیلی لانا لڑکیوں کو موٹر سائیکل سکھانے سے زیادہ ضروری ہے۔

گذشتہ روز ’اپنی سواری خود مختاری‘ کے نظریے کے تحت پنجاب سے شروع ہونے والے اس پراجیکٹ کو صوبہ سندھ میں متعارف کروایا گیا ہے۔

مگر اس سکیم کے باوجود بھی پنجاب میں خواتین کی ایک قلیل تعداد ہی سڑکوں پر موٹرسائیکل چلاتی دکھائی دیتی ہے۔

یہ بھی پڑھیے

طالبات کے لیے بائیک ٹو سکول منصوبہ

’ہراساں کیے جانے سے تنگ آ کر بائیک چلائی‘

’ہمت اور گھر والوں کا ساتھ ہو تو کچھ

Step-by-step EXPLANATION:

PLEASE MARK MY ANSWER AS BRAINLIEST

HOPE IT HELPS YOU

Discussion

7.	Find the square root of te following correct to three places of decimalsi) 7ii) 11plz answer with full explaination i will mark that person brainliest and will follow it. and snd the picture of your answer
Answer» MARK as BRAINLIEST ....

Discussion

8.	John scored 120/200 in the class, while Marcus scored 225/300. Who scored the highest percent in the class?
Answer» ANSWER: JOHN. SCORE 0.6 MARCUS score 0.75 highest score was Marcus

8.

John scored 120/200 in the class, while Marcus scored 225/300. Who scored the highest percent in the class?

Answer»

ANSWER:

JOHN. SCORE 0.6

MARCUS score 0.75

highest score was Marcus

Discussion

9.	Verify the additive property of addition for the following rational number=3/5,3/10,7/15
Answer» ANSWER: Step-by-step EXPLANATION: -3/5, -3/10, -7/15. Hope it HELPS you.

9.

Verify the additive property of addition for the following rational number=3/5,3/10,7/15

Answer»

ANSWER:

Step-by-step EXPLANATION:

-3/5,

-3/10,

-7/15.

Hope it HELPS you.

Discussion

10.	How to solve the equation 3x+12=2x-1
Answer» 3x + 12 = 2X - 1 => 3x - 2x = -1 - 12 => X = -13 HOPE it helps...........

10.

How to solve the equation 3x+12=2x-1

Answer»

3x + 12 = 2X - 1

=> 3x - 2x = -1 - 12

=> X = -13

HOPE it helps...........

Discussion

11.	In a triangle ac = 2 cm bc = 3 cm find ap upon pd
Answer» ANSWER: can you give the QUESTION properly? is it a right triangle or is it NORMAL? which is the height and width Step-by-step EXPLANATION:

11.

In a triangle ac = 2 cm bc = 3 cm find ap upon pd

Answer»

ANSWER:

can you give the QUESTION properly? is it a right triangle or is it NORMAL?

which is the height and width

Step-by-step EXPLANATION:

Discussion

12.	How many 4 digit numbers in all are there in 10 base system
Answer» Answer: 9000 Step-by-step explanation: lets do it in a DIFFERENT way. Say we have a four digit number abcd _a_ _b_ _c_ _d_ . Now in our number system we have numbers from 0 to 9 and we NEED to replace a b c and d from by these numbers . Lets FIRST replace a . As no number can start with zero so we can replace a in nine ways i.e by 1 2 3 4 5 6 7 8 9 When it comes to replace b , we can replace it in ten ways i.e 0 1 2 3 4 5 6 7 8 9. In similar way we can replace c and d in ten ten ways. So we get _9_ _10_ _10_ _10_. Thus the total four digit number in decimal system is = 9 X 10 x 10 x 10 = 9000. Another simple way to answer this is given below. Smallest four digit number = 1000 Largest four digit number = 9999 So total four digit number =(9999- 1000) +1 = 9000 plz mark me as the brainliest

12.

How many 4 digit numbers in all are there in 10 base system

Answer»

Answer:

9000

Step-by-step explanation:

lets do it in a DIFFERENT way.

Say we have a four digit number abcd

_a_ _b_ _c_ _d_ .

Now in our number system we have numbers from 0 to 9 and we NEED to replace a b c and d from by these numbers .

Lets FIRST replace a . As no number can start with zero so we can replace a in nine ways i.e by 1 2 3 4 5 6 7 8 9

When it comes to replace b , we can replace it in ten ways i.e 0 1 2 3 4 5 6 7 8 9.

In similar way we can replace c and d in ten ten ways.

So we get

_9_ _10_ _10_ _10_.

Thus the total four digit number in decimal system is = 9 X 10 x 10 x 10 = 9000.

Another simple way to answer this is given below.

Smallest four digit number = 1000

Largest four digit number = 9999

So total four digit number =(9999- 1000) +1 = 9000

plz mark me as the brainliest

Discussion

13.	24 and 36 lcm using prime factorisation
Answer» ANSWER: prime FACTARIZATION of 24 = 2×2×2×3 prime factarization of 36 =2×2×3×3 hence lcm of (24,36) = 2×2×2×3×3 =72

13.

24 and 36 lcm using prime factorisation

Answer»

ANSWER:

prime FACTARIZATION of 24 = 2×2×2×3

prime factarization of 36 =2×2×3×3

hence lcm of (24,36) = 2×2×2×3×3

=72

Discussion

14.	Fourth fifth of a number is greater than three fourth of the number by 4
Answer» ANSWER: $\frac{4x}{5} = \frac{3x}{4} + 4 \\ \frac{4x}{5} - \frac{3x}{4} = 4 \\ \frac{x}{20} = 4 \\ x = 80$ Step-by-step EXPLANATION: PLEASE MARK as a RESULT

14.

Fourth fifth of a number is greater than three fourth of the number by 4

Answer»

ANSWER:

$\frac{4x}{5} = \frac{3x}{4} + 4 \\ \frac{4x}{5} - \frac{3x}{4} = 4 \\ \frac{x}{20} = 4 \\ x = 80$

Step-by-step EXPLANATION:

PLEASE MARK as a RESULT

Discussion

15.	Solve the following pair of linear equations by the substitution method.(i) x + y = 14x – y = 4(ii) 3x – y = 39x – 3y = 9
Answer» ⠀⠀ıllıllı uoᴉʇnloS ıllıllı $\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$ (i) Given: x + y = 14 and x - y = 4 are the two equations. From 1st EQUATION, we get: x = 14 - y Now, put the VALUE of x in second equation to get, (14 - y) - y = 4 ➠ 14 - 2y = 4 ➠ 2y = 10 ➠ Or y = 5 By the value of y, we can now FIND the exact value of x; ∵ x = 14 - y ∴ x = 14 - 5 Or x = 9 Hence, x = 9 and y = 5. $\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$ (ii) Given: 3x - y = 3 and 9x - 3y = 9 are the two equations. From 1st equation, we get, x = (3 + y)/3 Now, substitute the value of x in the given second equation to get, 9(3 + y)/3 - 3y = 9 ➠ 3(3 + y) - 3y = 9 ➠ 9 + 3y - 3y = 9 ➠ 9 = 9 Therefore, y has infinite values and since, x = (3 + y)/3, so x also has infinite values. $\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$

15.

Solve the following pair of linear equations by the substitution method.(i) x + y = 14x – y = 4(ii) 3x – y = 39x – 3y = 9

Answer»

⠀⠀ıllıllı uoᴉʇnloS ıllıllı

$\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$

(i) Given:

x + y = 14 and x - y = 4 are the two equations.

From 1st EQUATION, we get:

x = 14 - y

Now, put the VALUE of x in second equation to get,

(14 - y) - y = 4

➠ 14 - 2y = 4

➠ 2y = 10

➠ Or y = 5

By the value of y, we can now FIND the exact value of x;

∵ x = 14 - y

∴ x = 14 - 5

Or x = 9

Hence, x = 9 and y = 5.

$\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$

(ii) Given:

3x - y = 3 and 9x - 3y = 9 are the two equations.

From 1st equation, we get,

x = (3 + y)/3

Now, substitute the value of x in the given second equation to get,

9(3 + y)/3 - 3y = 9

➠ 3(3 + y) - 3y = 9

➠ 9 + 3y - 3y = 9

➠ 9 = 9

Therefore, y has infinite values and since, x = (3 + y)/3, so x also has infinite values.

$\setlength{\unitlength}{1.0 cm}}\begin{picture}(12,4)\thicklines\put(1,1){\line(1,0){6.5}}\put(1,1.1){\line(1,0){6.5}}\end{picture}$

Discussion

16.	Real NumberExercise 1.4I Without actually performing the long division,state whether the following rational numbers.will have a terminating decimal expansion or anon- terminating repeating decimal expansion:23/23 52
Answer» ANSWER: MARK as BRANLIEST ... . . .

16.

Real NumberExercise 1.4I Without actually performing the long division,state whether the following rational numbers.will have a terminating decimal expansion or anon- terminating repeating decimal expansion:23/23 52

Answer»

ANSWER:

MARK as BRANLIEST

... . . .

Discussion

17.	3+5+6=151872. 5+5+6=253094. 5+6+7=303585. 5+5+3=251575. 9+4+7=??????
Answer» Answer: 366329 Step-by-step explanation: MULTIPLY the first TWO digits, Multiply the next two digits, (Add the previous 2 result - the last digit ) and REVERSE it. For example : 5 * 5 = 25 5 * 6 =30 25 + 30 -6 =49 reverse it 94 So, 9+4+7 = 366329

17.

3+5+6=151872. 5+5+6=253094. 5+6+7=303585. 5+5+3=251575. 9+4+7=??????

Answer»

Answer:

366329

Step-by-step explanation:

MULTIPLY the first TWO digits, Multiply the next two digits, (Add the previous 2 result - the last digit ) and REVERSE it.

For example : 5 * 5 = 25

5 * 6 =30

25 + 30 -6 =49 reverse it 94

So, 9+4+7 = 366329

Discussion

18.	Joe measured the volume of a object 5 times and results of 34.5 ml 34.9ml 34.2ml 33.4 ml and 35.9ml what is the average experimental result
Answer» ANSWER: gbhhghjbggjjjdsdjnkklljff Step-by-step EXPLANATION: J

18.

Joe measured the volume of a object 5 times and results of 34.5 ml 34.9ml 34.2ml 33.4 ml and 35.9ml what is the average experimental result

Answer»

ANSWER:

gbhhghjbggjjjdsdjnkklljff

Step-by-step EXPLANATION:

J

Discussion

19.	Find the remainder when 2x^2-x+1 is divided by 1+2x solve step by step
Answer» $2x \times 2 - x + 1 \div 1 + 2x =$ Step-by-step EXPLANATION: SOLVE the QUESTION in EQUATION METHOD

19.

Find the remainder when 2x^2-x+1 is divided by 1+2x solve step by step

Answer»

$2x \times 2 - x + 1 \div 1 + 2x =$

Step-by-step EXPLANATION:

SOLVE the QUESTION in EQUATION METHOD

Discussion

20.	The Pirates won 98 games. They lost 64. Which percentage is closest to their winning percentage?
Answer» Answer: 60.495.................... PLEASE MAKE me BRAINLEIST

20.

The Pirates won 98 games. They lost 64. Which percentage is closest to their winning percentage?

Answer»

Answer:

60.495....................

PLEASE MAKE me BRAINLEIST

Discussion

21.	This question is from Matrices class 12 ....... Verify
Answer» ANSWER: B'A' = AB not AB' Step-by-step EXPLANATION: PLEASE mark BRAINIEST

21.

This question is from Matrices class 12 ....... Verify

Answer»

ANSWER:

B'A' = AB not AB'

Step-by-step EXPLANATION:

PLEASE mark BRAINIEST

Discussion

22.	Make equation x exceeds 3 by 7
Answer» Answer: 3x × 7 hope it HELPS you please MARK me as BRAINLIEST

22.

Make equation x exceeds 3 by 7

Answer»

Answer:

3x × 7

hope it HELPS you

please MARK me as BRAINLIEST

Discussion

23.	Replace the question mark2 5 6 251 2 1 444 4 1 ?Can anyone solve this puzzle?
Answer» ANSWER: your answer is 2 5 6 2 5 1 2 1 4 4 4 4 1 1

23.

Replace the question mark2 5 6 251 2 1 444 4 1 ?Can anyone solve this puzzle?

Answer»

ANSWER:

your answer is

2 5 6 2 5

1 2 1 4 4

4 4 1 1

Discussion

24.	Which interval has 7 cyclists?
Answer» Answer: 60-64 Step-by-step explanation: 60-64 INTERVAL has 7 cyclists *JAI* SHREE KRISHNA

24.

Which interval has 7 cyclists?

Answer»

Answer:

60-64

Step-by-step explanation:

60-64 INTERVAL has 7 cyclists

JAI SHREE KRISHNA

Discussion

25.	This frequency table shows the number of students in a college class. How many classes have less than 21 students per class?
Answer» Answer: 5 classes HOPE it HELPS... plz mark as BRAINLIEST...

25.

This frequency table shows the number of students in a college class. How many classes have less than 21 students per class?

Answer»

Answer:

5 classes

HOPE it HELPS...

plz mark as BRAINLIEST...

Discussion

26.	Find the remainder when x^2-x+1 is divided by 1+2x solve
Answer» Answer: question is incorrect Step-by-step explanation: PLZZ FOLLOW me if possible and i will follow you back and MARK my answer as BRAINLIEST

26.

Find the remainder when x^2-x+1 is divided by 1+2x solve

Answer»

Answer:

question is incorrect

Step-by-step explanation:

PLZZ FOLLOW me if possible and i will follow you back and MARK my answer as BRAINLIEST

Discussion

27.	Find 5 rational numbers between -1/4 and 3/8
Answer» ANSWER: -1/4×6/6=-6/24 3/8×3/3=9/24 -5/24,-4/24,-3/24,-2/24,-1/24,1/24...............8/24

27.

Find 5 rational numbers between -1/4 and 3/8

Answer»

ANSWER:

-1/4×6/6=-6/24

3/8×3/3=9/24

-5/24,-4/24,-3/24,-2/24,-1/24,1/24...............8/24

Discussion

28.	Which is a greatest number
Answer» ANSWER: I think INFINITY is GREATEST number i KNEW.....

28.

Which is a greatest number

Answer»

ANSWER:

I think INFINITY is GREATEST number i KNEW.....

Discussion

29.	What must be added to 179415 to make it 300000
Answer» ANSWER: REQUIRED answer= 300000-179415= 120585 Mark it BRAINLIEST if your QUESTION is CORRECT.

29.

What must be added to 179415 to make it 300000

Answer»

ANSWER:

REQUIRED answer= 300000-179415= 120585

Mark it BRAINLIEST if your QUESTION is CORRECT.

Discussion

30.	The reciprocal of \|-7/9+2/3\| is
Answer» ANSWER: 9/13 is the REQUIRED answer

30.

The reciprocal of |-7/9+2/3| is

Answer»

ANSWER:

9/13 is the REQUIRED answer

Discussion

31.	25. At the age of two years, a cat or a dog is considered 24 "human" years old. Each year after age 2 is equivalent to 4 "human" years. Fill in the expression [24 + ____( a-2)] so that it represents the age of a cat or a dog in human years. Also, determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
Answer» Given : At the age of two years, a cat or a dog is considered 24 "human" years old . Each year after age 2 is equivalent to 4 "human" years. To find : Fill in the expression [24 + ____( a-2)] so that it REPRESENTS the age of a cat or a dog in human years. Solution: Cat age Human years 2 24 2 + 1 = 3 24 + 4 = 28 = 24 + 4(1) = 24 + 4(3 - 2) 3 + 1 = 4 28 + 4 = 32 = 24 + 4(2) = 24 + 4(4 - 2) 24 + 4(a - 2) is the age of cat of dog in human years where a is the age of cat or dog Cat / Dog Age Human age 24 + 4(a - 2) 2 24 3 28 4 32 5 36 6 40 7 44 Learn more: represent the cost of parking for FOUR WHEELER in terms of linear ... brainly.in/question/14142878 draw the rough graph of x-y=0 - Brainly.in brainly.in/question/13686812

31.

25. At the age of two years, a cat or a dog is considered 24 "human" years old. Each year after age 2 is equivalent to 4 "human" years. Fill in the expression [24 + ____( a-2)] so that it represents the age of a cat or a dog in human years. Also, determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.

Answer»

Given : At the age of two years, a cat or a dog is considered 24 "human" years old . Each year after age 2 is equivalent to 4 "human" years.

To find : Fill in the expression [24 + ____( a-2)] so that it REPRESENTS the age of a cat or a dog in human years.

Solution:

Cat age Human years

2 24

2 + 1 = 3 24 + 4 = 28 = 24 + 4(1) = 24 + 4(3 - 2)

3 + 1 = 4 28 + 4 = 32 = 24 + 4(2) = 24 + 4(4 - 2)

24 + 4(a - 2) is the age of cat of dog in human years

where a is the age of cat or dog

Cat / Dog Age Human age 24 + 4(a - 2)

2 24

3 28

4 32

5 36

6 40

7 44

Learn more:

represent the cost of parking for FOUR WHEELER in terms of linear ...

brainly.in/question/14142878

draw the rough graph of x-y=0 - Brainly.in

brainly.in/question/13686812

Discussion

32.	Minutes wale question me two kaise aa gaya samjh me nahi aaya
Answer» I cannot UNDERSTAND your QUESTION MATE

32.

Minutes wale question me two kaise aa gaya samjh me nahi aaya

Answer»

I cannot UNDERSTAND your QUESTION MATE

Discussion

33.	Which number is lower than 999998 and higher than 99989
Answer» Answer: 999990 is ONE POSSIBLE answer. Step-by-step EXPLANATION:

33.

Which number is lower than 999998 and higher than 99989

Answer»

Answer:

999990 is ONE POSSIBLE answer.

Step-by-step EXPLANATION:

Discussion

34.	3.33 is a terminating or non terminating?
Answer» Answer: 3.33 is *TERMINATING*.......

34.

3.33 is a terminating or non terminating?

Answer»

Answer:

3.33 is TERMINATING.......

Discussion

35.	What are the possible last digit of 9 ^ 50
Answer» Step-by-step explanation: 1,9 HOPE this will HELP you

35.

What are the possible last digit of 9 ^ 50

Answer»

Step-by-step explanation:

1,9 HOPE this will HELP you

Discussion

36.	Express Under root 8.6 on number line
Answer» Answer: Step-by-step EXPLANATION: Draw a ray, MARK AB on it of measure 8.3 cm. Extend line segment AB by 1 cm to point C. Draw perpendicular BISECTORS on AC and name the CENTER as O. Draw perpendicular on B such that it intersect arc AC, name it point D. Put compass on B and pencil point on D and draw an arc, name point E.

36.

Express Under root 8.6 on number line

Answer»

Answer:

Step-by-step EXPLANATION:

Draw a ray, MARK AB on it of measure 8.3 cm.

Extend line segment AB by 1 cm to point C.

Draw perpendicular BISECTORS on AC and name the CENTER as O.

Draw perpendicular on B such that it intersect arc AC, name it point D.

Put compass on B and pencil point on D and draw an arc, name point E.

Discussion

37.	If 27  81 = 3 power kthen k =
Answer» Step-by-step explanation: 27/81=3power K 3power3/3power4=3 POWER k now,3 power 1= 3 power k then k=1

37.

If 27  81 = 3 power kthen k =

Answer»

Step-by-step explanation:

27/81=3power K

3power3/3power4=3 POWER k

now,3 power 1= 3 power k

then k=1

Discussion

38.	The rational number .......... has no reseprocal .
Answer» Answer: 0. please FOLLOW me I will follow BACK

38.

The rational number .......... has no reseprocal .

Answer»

Answer:

0.

please FOLLOW me I will follow BACK

Discussion

39.	The height of a hill which is 50 m above sea level describe positive or negative no.
Answer» ANSWER: POSITIVE Step-by-step EXPLANATION: i HOPE it will HELP you

39.

The height of a hill which is 50 m above sea level describe positive or negative no.

Answer»

ANSWER:

POSITIVE

Step-by-step EXPLANATION:

i HOPE it will HELP you

Discussion

40.	Is the value of - 23 - -[(-25) - {(17) - (-19)} a)38
Answer» Answer: -23-[(-25)-{(17)-(-19)}] -23-[(-25)-(36)] -23-[-61] -23+61 38 *HOPE* *THIS HELPS YOU* ☺ IF *YOU* *FIND THIS HELPFUL* *MARK* *IT AS BRAINLIEST*

40.

Is the value of - 23 - -[(-25) - {(17) - (-19)} a)38

Answer»

Answer:

-23-[(-25)-{(17)-(-19)}]

-23-[(-25)-(36)]

-23-[-61]

-23+61

38

HOPE THIS HELPS YOU ☺

IF YOU FIND THIS HELPFUL MARK IT AS BRAINLIEST

Discussion

41.	Complete the numbers pattern 76594, 76694, 76794
Answer»

Discussion

42.	_+_=14,_-_=10,_+_=15,_+_=16
Answer» Answer: 7+7 12-2 7+8 8+8 Step-by-step EXPLANATION: HOPE it HELPS U

42.

_+_=14,_-_=10,_+_=15,_+_=16

Answer»

Answer:

7+7
12-2
7+8
8+8

Step-by-step EXPLANATION:

HOPE it HELPS U

Discussion

43.	Momentum is increased by 10% what is the effect on kinetic energy
Answer» $\huge\pink{\mathfrak{Hello!!!}}$ ♡ DEAR ---- ${\huge{\overbrace{\underbrace{\purple{Your Answer:- }}}}}$ ✧༺♥༻✧✧༺♥༻✧✧༺♥༻✧ If ONE increases the momentum by 10% the KINETIC energy will naturally increase. so one can SAY that the KE will increase by 21%. Momentum = velocity × mass. ... Thus a 10% increase in momentum becomes a 21% increase in KE. ✧༺♥༻✧✧༺♥༻✧✧༺♥༻✧ ■baazHere ■FollowMe ■Thanks~ $\text{[math]}$ MARK ME AS BRAINLIEST♡

43.

Momentum is increased by 10% what is the effect on kinetic energy

Answer»

$\huge\pink{\mathfrak{Hello!!!}}$

♡ DEAR ----

${\huge{\overbrace{\underbrace{\purple{Your Answer:- }}}}}$

✧༺♥༻✧✧༺♥༻✧✧༺♥༻✧

If ONE increases the momentum by 10% the KINETIC energy will naturally increase. so one can SAY that the KE will increase by 21%. Momentum = velocity × mass. ... Thus a 10% increase in momentum becomes a 21% increase in KE.

✧༺♥༻✧✧༺♥༻✧✧༺♥༻✧

■baazHere

■FollowMe

■Thanks~

$\text{[math]}$

MARK ME AS BRAINLIEST♡

Discussion

44.	Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer. Class 10th Chapter 1 Real Number Hey guys please to help you urgent
Answer» Answer: HOPE it may help u please mark it as a BRAINLIST answer

44.

Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer. Class 10th Chapter 1 Real Number Hey guys please to help you urgent

Answer»

Answer:

HOPE it may help u

please mark it as a BRAINLIST answer

Discussion

45.	Replace the question mark2 5 6 251 2 1 444 4 1 ?
Answer» Answer: 4414 .. . . .. . . .. . . . . . MARK as BRANLIEST.. .... . . . .. .

45.

Replace the question mark2 5 6 251 2 1 444 4 1 ?

Answer»

Answer:

4414 .. . . .. . . .. . . . . .

MARK as BRANLIEST..

.... . . . .. .

Discussion

46.	X^2 -5x -10 = 0can anyone just help me this problem i will be marking you as brainliest
Answer» Answer: [ 5 ± √( 65) ] / 2 Step-by-step explanation: use QUADRATIC formula... x = [ -B ± √ ( b^2 - 4ac ) ] / 2a here.... a = 1 ; b = -5 ; c = -10 hence..... x = [ 5 ± √( 25 + 40 ) ] / 2 x = [ 5 ± √( 65) ] / 2 Note : ur EQUATION seems mistaken

46.

X^2 -5x -10 = 0can anyone just help me this problem i will be marking you as brainliest

Answer»

Answer:

[ 5 ± √( 65) ] / 2

Step-by-step explanation:

use QUADRATIC formula...

x = [ -B ± √ ( b^2 - 4ac ) ] / 2a

here....

a = 1 ; b = -5 ; c = -10

hence.....

x = [ 5 ± √( 25 + 40 ) ] / 2

x = [ 5 ± √( 65) ] / 2

Note : ur EQUATION seems mistaken

Discussion

47.	if 2 minus root 3 is a root of quadratic equation X square + 2 ( root3 - 1) X + 3 - 2 root 3 equals to zero then the second root is
Answer» Answer :- $\implies \boxed{ \sf{ \beta = - \sqrt{3} }} \: \\ \: \leadsto \bf{ other \: root \: is \: - \sqrt{3} }$ To FIND :- → Other root of given QUADRATIC equation . Explanation :- ACCORDING to the question ; $\to \sf{ 2 - \sqrt{3} \: \: is \: a \: root \: of \: } \\ \to \sf{ {x}^{2} + 2( \sqrt{3} - 1)x + 3 - \sqrt{3} = 0} \: \\ \\ \sf{ let \: \: \: \alpha \: \: and \: \beta \: are \: the \: roots \: of \:} \\ \sf{ given \: equation \: \: } \\$ We know that ; $\to \boxed{\sf{ sum \: of \: roots = \frac{ - cofficient \: of \: x}{ coefficient \: of \: {x}^{2} } }} \\ \\ \therefore \: \\ \implies \sf{ \: \alpha + \beta = \frac{ - 2( \sqrt{3} - 1) }{1} } \\ \\ \because \boxed{\sf{ \alpha = 2 - \sqrt{3} } \: \: (given \: root)} \\ \\ \therefore \: \\ \implies \: 2 - \sqrt{3} + \beta = - 2 \sqrt{3} + 2 \\ \\ \implies \: \beta = 2 - 2 \sqrt{3} - 2 + \sqrt{3} \\ \\ \implies \boxed{ \sf{ \beta = - \sqrt{3} }}$ HENCE other root of given quadratic equation is -√3 . Verification :- Replace all x to -√3 $\to \: {( - \sqrt{3}) }^{2} + 2( \sqrt{3} - 1)( - \sqrt{3} ) + 3 - 2 \sqrt{3} = 0 \\ \\ \to \: 3 - (2 \sqrt{3} - 2)( \sqrt{3} ) + 3 - 2 \sqrt{3} = 0 \\ \\ \to \: 3 - 6 + 2 \sqrt{3} + 3 - 2 \sqrt{3} = 0 \\ \\ \to \: 6 - 6 = 0 \\ \\ \to \: 0 = 0$ Hence verified .

47.

if 2 minus root 3 is a root of quadratic equation X square + 2 ( root3 - 1) X + 3 - 2 root 3 equals to zero then the second root is

Answer»

Answer :-

$\implies \boxed{ \sf{ \beta = - \sqrt{3} }} \: \\ \: \leadsto \bf{ other \: root \: is \: - \sqrt{3} }$

To FIND :-

→ Other root of given QUADRATIC equation .

Explanation :-

ACCORDING to the question ;

$\to \sf{ 2 - \sqrt{3} \: \: is \: a \: root \: of \: } \\ \to \sf{ {x}^{2} + 2( \sqrt{3} - 1)x + 3 - \sqrt{3} = 0} \: \\ \\ \sf{ let \: \: \: \alpha \: \: and \: \beta \: are \: the \: roots \: of \:} \\ \sf{ given \: equation \: \: } \\$

We know that ;

$\to \boxed{\sf{ sum \: of \: roots = \frac{ - cofficient \: of \: x}{ coefficient \: of \: {x}^{2} } }} \\ \\ \therefore \: \\ \implies \sf{ \: \alpha + \beta = \frac{ - 2( \sqrt{3} - 1) }{1} } \\ \\ \because \boxed{\sf{ \alpha = 2 - \sqrt{3} } \: \: (given \: root)} \\ \\ \therefore \: \\ \implies \: 2 - \sqrt{3} + \beta = - 2 \sqrt{3} + 2 \\ \\ \implies \: \beta = 2 - 2 \sqrt{3} - 2 + \sqrt{3} \\ \\ \implies \boxed{ \sf{ \beta = - \sqrt{3} }}$

HENCE other root of given quadratic equation is -√3 .

Verification :-

Replace all x to -√3

$\to \: {( - \sqrt{3}) }^{2} + 2( \sqrt{3} - 1)( - \sqrt{3} ) + 3 - 2 \sqrt{3} = 0 \\ \\ \to \: 3 - (2 \sqrt{3} - 2)( \sqrt{3} ) + 3 - 2 \sqrt{3} = 0 \\ \\ \to \: 3 - 6 + 2 \sqrt{3} + 3 - 2 \sqrt{3} = 0 \\ \\ \to \: 6 - 6 = 0 \\ \\ \to \: 0 = 0$

Hence verified .

Discussion

48.	1 1 1 1. 2 2 2 23 3 3 3
Answer» ANSWER: 4444 is the WRITE answer

48.

1 1 1 1. 2 2 2 23 3 3 3

Answer»

ANSWER:

4444

is the WRITE answer

Discussion

49.	If 4x+7/3=3x-2/4+1/2
Answer» Your answer is X = 3 Please SEE my ATTACHMENT to understand my answer. Sorry for my terrible writing. Hope U UNDERSTOOD my answer. Do like it if u understood my answer. If u have any doubt you can MESSAGE me. Thank you dear. Also folllow me.

49.

If 4x+7/3=3x-2/4+1/2

Answer»

Your answer is

X = 3

Please SEE my ATTACHMENT to understand my answer.

Sorry for my terrible writing.

Hope U UNDERSTOOD my answer.

Do like it if u understood my answer.

If u have any doubt you can MESSAGE me.

Thank you dear.

Also folllow me.

Discussion

50.	If a camera is purchased for $490 and sold it for $465.50, find the loss percent.
Answer» Answer: 5% Step-by-step EXPLANATION: C.P. = rs.490 S.P. = rs.465.50 LOSS is C.P. - S.P = 490 - 465.50 = 24.50 Loss percent is = Loss100% C.P. = 24.5100% 490 = 2450 % 490 = 5% Therefore,loss percent is 5%

50.

If a camera is purchased for $490 and sold it for $465.50, find the loss percent.

Answer»

Answer:

5%

Step-by-step EXPLANATION:

C.P. = rs.490

S.P. = rs.465.50

LOSS is C.P. - S.P

= 490 - 465.50

= 24.50

Loss percent is = Loss*100%

C.P.

= 24.5*100%

490

= 2450 %

490

= 5%

Therefore,loss percent is 5%

Discussion

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