332354 + Interview Questions in Secondary School in Math

1.	Heya !!! solve for n !
Answer» WELCOME to the CONCEPT of permutation I HOPE my answer help you otherwise report it

1.

Heya !!! solve for n !

Answer»

WELCOME to the CONCEPT of permutation

I HOPE my answer help you

otherwise report it

Discussion

2.	28. Solve it using Appropriate property(a) 526x (-42) x (58) × (-526)(b) 1005 x 95give with explanation.
Answer» ANSWER: (a) 526×(-42)×(58)×(-526) 526×(-2336)×(-526) 526×2862 10505402 (B) 1005×95 123155

2.

28. Solve it using Appropriate property(a) 526x (-42) x (58) × (-526)(b) 1005 x 95give with explanation.

Answer»

ANSWER:

(a) 526×(-42)×(58)×(-526)

526×(-2336)×(-526)

526×2862

10505402

(B) 1005×95

123155

Discussion

3.	Find domain with explanation-
Answer» Step-by-step EXPLANATION: the VALUE inside Modulus should be positive and SINX also belongs to -1 to 1 we will take intersection.

3.

Find domain with explanation-

Answer»

Step-by-step EXPLANATION:

the VALUE inside Modulus should be positive and SINX also belongs to -1 to 1 we will take intersection.

Discussion

4.	If a:b = 3:7 and b:c =4:9 find a:b:c
Answer» 12:28:63 answer. I HOPE It will HELP you.

4.

If a:b = 3:7 and b:c =4:9 find a:b:c

Answer»

12:28:63 answer.

I HOPE It will HELP you.

Discussion

5.	Please solve this simplification
Answer» ANSWER ANSWE is here for U

5.

Please solve this simplification

Answer»

ANSWER

ANSWE is here for U

Discussion

6.	If a is a factor of b then what hcf and lcm
Answer» When A is a FACTOR of B, HCF=A LCM=B Hope it HELPS!!! :)

6.

If a is a factor of b then what hcf and lcm

Answer»

When A is a FACTOR of B,

HCF=A

LCM=B

Hope it HELPS!!! :)

Discussion

7.	6x3-11x2+kx-20 find the value of k when x=4/3
Answer» HEY mate: given here 6X³-11x²+kx-20=0 *put* *value* of x= 4/3 *then, 6(4/3)³-11(4/3)²+k 4/3-20=0 =>6 × 64/27. - 11×16/9+4/3k -20=0 =>128/9 - 176/9 + 4/3k -20=0 =>(128-176+12k-180)=0 =>(128-356+12k)=0 =>12k=228 =>k=228/12 =>k=19 I hopes* *its* *helps* u. *please* *follow* me!!✌✌ @abhi.❤❤

7.

6x3-11x2+kx-20 find the value of k when x=4/3

Answer»

HEY mate:

given here

6X³-11x²+kx-20=0

put value of x= 4/3

then,

6(4/3)³-11(4/3)²+k 4/3-20=0

=>6 × 64/27. - 11×16/9+4/3k -20=0

=>128/9 - 176/9 + 4/3k -20=0

=>(128-176+12k-180)=0

=>(128-356+12k)=0

=>12k=228

=>k=228/12

=>k=19

I hopes its helps u.

please follow me!!✌✌

@abhi.❤❤

Discussion

8.	Sin 10°+sin 20º+sin 30° +.....+sin 360°=
Answer» Step-by-step EXPLANATION: your ANSWER is in the above ATTACHMENT

8.

Sin 10°+sin 20º+sin 30° +.....+sin 360°=

Answer»

Step-by-step EXPLANATION:

your ANSWER is in the above ATTACHMENT

Discussion

9.	A SQUARE LAWN I SURROUNDED BY A 5M WIDE PATH IF THE AREA OF THE PATH IS 400M SEQAURE FIND THE ARE OF THE LAWN
Answer» ANSWER: SEARCH on GOOGLE, MATE

9.

A SQUARE LAWN I SURROUNDED BY A 5M WIDE PATH IF THE AREA OF THE PATH IS 400M SEQAURE FIND THE ARE OF THE LAWN

Answer»

ANSWER:

SEARCH on GOOGLE, MATE

Discussion

10.	Write the international system of numerals 55044628370
Answer» Answer: 55,044,628,370 Step-by-step EXPLANATION:

10.

Write the international system of numerals 55044628370

Answer»

Answer:

55,044,628,370

Step-by-step EXPLANATION:

Discussion

11.	P={x:x = 3n +2 ,n£W and x < 15}
Answer» ANSWER: Step-by-step EXPLANATION: .

11.

P={x:x = 3n +2 ,n£W and x < 15}

Answer»

ANSWER:

Step-by-step EXPLANATION:

.

Discussion

12.	. The population of a city was 20,000 in 1997. It increased at the rate of5% per annum. Find the population of city at the end of the year2000.
Answer» A=P(1+R/100)^N =20,000(1+5/100)³ =20,000(1+1/20)³ =20,000(20+1/20)³ =20,000(21/20)³ =20,000×21/20×21/20×21/20 =23,152.5

12.

. The population of a city was 20,000 in 1997. It increased at the rate of5% per annum. Find the population of city at the end of the year2000.

Answer»

A=P(1+R/100)^N

=20,000(1+5/100)³

=20,000(1+1/20)³

=20,000(20+1/20)³

=20,000(21/20)³

=20,000×21/20×21/20×21/20

=23,152.5

Discussion

13.	4.5=? ,5.3=? ,10.3=? ,7.6=?
Answer» Answer: 4.5=45/10 =9/2 5.3=53/10 10.3=103/10 7.6=76/10 =38/5

13.

4.5=? ,5.3=? ,10.3=? ,7.6=?

Answer»

Answer:

4.5=45/10

=9/2

5.3=53/10

10.3=103/10

7.6=76/10

=38/5

Discussion

14.	There are __________ rational numbers between any two given rational numbers. (Infinite)
Answer» ANSWER: INFINITE is the ANS to this QUES

14.

There are __________ rational numbers between any two given rational numbers. (Infinite)

Answer»

ANSWER:

INFINITE is the ANS to this QUES

Discussion

15.	Find value of x : log36÷log6=log x
Answer» ANSWER: This is the answer Hope It HELPS!!

15.

Find value of x : log36÷log6=log x

Answer»

ANSWER:

This is the answer

Hope It HELPS!!

Discussion

16.	Aa square minus b square
Answer» ANSWER: $a ^{2} - b ^{2} = (a + b)(a - b)$ *PLEASE* *MARK* ME *BRAINLIEST* *THANK* *YOU*....

16.

Aa square minus b square

Answer»

ANSWER:

$a ^{2} - b ^{2} = (a + b)(a - b)$

PLEASE MARK ME BRAINLIEST

THANK YOU....

Discussion

17.	Plz solve this one also 8th one
Answer» SOLVE both NUMERATOR and DENOMINATOR USING the IDENTITY a^3+b^3+c^3=3abc...

17.

Plz solve this one also 8th one

Answer»

SOLVE both NUMERATOR and DENOMINATOR USING the IDENTITY a^3+b^3+c^3=3abc...

Discussion

18.	find the circumcenter of a triangle formed by (2,-5)(2,7)(4,7)please fastly friendsmark u as brainiest
Answer» ANSWER: Step-by-step explanation: Hope it HELPS Please MARK it BRAINLIEST :)

18.

find the circumcenter of a triangle formed by (2,-5)(2,7)(4,7)please fastly friendsmark u as brainiest

Answer»

ANSWER:

Step-by-step explanation:

Hope it HELPS

Please MARK it BRAINLIEST :)

Discussion

19.	Find the value of a and b if
Answer» ANSWER: Step-by-step EXPLANATION: .

19.

Find the value of a and b if

Answer»

ANSWER:

Step-by-step EXPLANATION:

.

Discussion

20.	A teacher tells the class that highest marks obtain by a student in her class is twice the lowest marks plus 7. if the highest marks is 87, what is the lowest mark
Answer» Answer: HIGHEST MARKS = twice the lowest marks +7 so, 87 =2 × x +7 =x = 87-7 ÷2 =x = 80÷2 =x= 40

20.

A teacher tells the class that highest marks obtain by a student in her class is twice the lowest marks plus 7. if the highest marks is 87, what is the lowest mark

Answer»

Answer:

HIGHEST MARKS = twice the lowest marks +7

so, 87 =2 × x +7

=x = 87-7 ÷2

=x = 80÷2

=x= 40

Discussion

21.	Obtain a quadratic polynomial whose zeroes are 2α + β and α + 2β where α and β are the zeroes of x2 + 3x – 10.
Answer» ANSWER: Hello DEAR User__________ Here is Your Answer...!! ____________________ Step by step SOLUTION: $Given \ p(x)=x^{2}+3x-10\\\\First \ let \ us \ solve\\\\p(x)=x^{2}+3x-10\\\\p(x)=x^{2}+5x-2x-10\\\\p(x)=x(x+5)-2(x+5)\\\\p(x)=(x+5)(x-2)\\\\\alpha=-5 \ and \ \beta=2\\ \\ putting \ in \ given \ zeroes\\\\2\alpha +\beta =-10+2=-8\\\\\alpha+2\beta=-5+4=-1\\ \\their \ sum=-8-1=-9 \ and \ their \ product=-8\times-1=8\\\\Required \ polynomial=x^{2}-(\alpha+\beta)x+\alpha \beta\\\\Required \ polynomial=x^{2}+9x+8$ HOPE it is clear to you.

21.

Obtain a quadratic polynomial whose zeroes are 2α + β and α + 2β where α and β are the zeroes of x2 + 3x – 10.

Answer»

ANSWER:

Hello DEAR User__________

Here is Your Answer...!!

____________________

Step by step SOLUTION:

$Given \ p(x)=x^{2}+3x-10\\\\First \ let \ us \ solve\\\\p(x)=x^{2}+3x-10\\\\p(x)=x^{2}+5x-2x-10\\\\p(x)=x(x+5)-2(x+5)\\\\p(x)=(x+5)(x-2)\\\\\alpha=-5 \ and \ \beta=2\\ \\ putting \ in \ given \ zeroes\\\\2\alpha +\beta =-10+2=-8\\\\\alpha+2\beta=-5+4=-1\\ \\their \ sum=-8-1=-9 \ and \ their \ product=-8\times-1=8\\\\Required \ polynomial=x^{2}-(\alpha+\beta)x+\alpha \beta\\\\Required \ polynomial=x^{2}+9x+8$

HOPE it is clear to you.

Discussion

22.	Simplify by using suitable identity113 x 87
Answer» 113 x 87 = (100 + 13) x (100 - 13) Using IDENTITY (a+b) x (a-b) = a^2 - b^2 = (100)^2 - (13)^2 = 10000 - 169 = 9831

Discussion

23.	the points (-2,5) and (3,-5) are plotted in xy planes. Find the slope and y intercept of the line joining the points
Answer» Answer: It is very easy I will RECOMMEND you to do it yourself as it will help you in practising mathematics. Hint-: First DRAW the graph then make it UNDERSTAND to you.

23.

the points (-2,5) and (3,-5) are plotted in xy planes. Find the slope and y intercept of the line joining the points

Answer»

Answer:

It is very easy

I will RECOMMEND you to do it yourself as it will help you in practising mathematics.

Hint-: First DRAW the graph then make it UNDERSTAND to you.

Discussion

24.	Express each number as a product on its prime factor 140
Answer» Step-by-step explanation: 140÷2=70 70÷2=35 35÷5=7 140=2×2×5×7

24.

Express each number as a product on its prime factor 140

Answer»

Step-by-step explanation:

140÷2=70

70÷2=35

35÷5=7

140=2×2×5×7

Discussion

25.	How 1/2=√2-1 explain
Answer» Answer: FALSE Step-by-step EXPLANATION: The QUESTION should be as follows: PROVE $\frac{1}{2}$ = $2^{-1}$ . Solution. To prove $\frac{1}{2}$ = $2^{-1}$ . PROOF, $\frac{1}{2}$ = $2^{-1}$ [∵ $\frac{1}{x} = x^{-1}$ ] Hence, $\frac{1}{2}$ = $2^{-1}$ .

25.

How 1/2=√2-1 explain

Answer»

Answer:

FALSE

Step-by-step EXPLANATION:

The QUESTION should be as follows:

PROVE $\frac{1}{2}$ = $2^{-1}$ .

Solution.

To prove $\frac{1}{2}$ = $2^{-1}$ .

PROOF,

$\frac{1}{2}$ = $2^{-1}$ [∵ $\frac{1}{x} = x^{-1}$ ]

Hence, $\frac{1}{2}$ = $2^{-1}$ .

Discussion

26.	Using divisibility test find out which of the following numbers are divisible by 4 4096
Answer» Step-by-step EXPLANATION: A number is SAID to be divisible by 4 if the last 2 digit's of the number are divisible by "4" . In 4096,21084,31795012. ETC. the last TWO digits are divisible by 4 . So all the above are divisible by 4.

26.

Using divisibility test find out which of the following numbers are divisible by 4 4096

Answer»

Step-by-step EXPLANATION:

A number is SAID to be divisible by 4 if the last 2 digit's of the number are divisible by "4" .

In 4096,21084,31795012. ETC. the last TWO digits are divisible by 4 .

So all the above are divisible by 4.

Discussion

27.	28. Solve it using Appropriate property(a) 526x (-42)x(58) (-526)(b) 1005 x 95
Answer» Answer: (B) 1005 * 95 =(1000 +5) (1000-5) =(1000)² - (5)² = 1000000 - 25 = 999975 By identity( a² - b²) (a)526 * (-42-58) = 526 * (-100) = -52600 (DISTRIBUTIVE PROPERTY) *HOPE* IT *HELPS* ....

27.

28. Solve it using Appropriate property(a) 526x (-42)x(58) (-526)(b) 1005 x 95

Answer»

Answer:

(B) 1005 * 95

=(1000 +5) (1000-5)

=(1000)² - (5)²

= 1000000 - 25

= 999975

By identity( a² - b²)

(a)526 * (-42-58)

= 526 * (-100)

= -52600

(DISTRIBUTIVE PROPERTY)

HOPE IT HELPS ....

Discussion

28.	Factorise-12x^2-7x+1Answer step by step will marked as brainliest
Answer» Answer: (3x-1)(4x-1) Step-by-step explanation: 1) First there is - 7 so in FRONT of bracket we have to put minus. 2) And there is +1 so he to we have to find 12 FACTORS which when add became 7 so 4×3=12 and 4+3=7. 3) So we have taken 4 and 3. HOPE IT HELPS

28.

Factorise-12x^2-7x+1Answer step by step will marked as brainliest

Answer»

Answer:

(3x-1)(4x-1)

Step-by-step explanation:

1) First there is - 7 so in FRONT of bracket we have to put minus.

2) And there is +1 so he to we have to find 12 FACTORS which when add became 7 so 4×3=12 and 4+3=7.

3) So we have taken 4 and 3.

HOPE IT HELPS

Discussion

29.	Show that n{P(P(P(phi)))}=4
Answer» question BASED on power set Step-by-step explanation: FIRST of all we see the meaning of power set:it is defined as the number of subsets of the set. for e.g. if a set A={1,2} then the number of subsets of this set will be 4 i.e. {},{1},{2},{1,2}. now p{phi} MEANS that number of subsets of a set which contain no element which is EQUAL to 1. therefore p{p{phi}} CONTAINS 2 elements. so p{p{p{phi}}} will contain 4 elements

29.

Show that n{P(P(P(phi)))}=4

Answer»

question BASED on power set

Step-by-step explanation:

FIRST of all we see the meaning of power set:it is defined as the number of subsets of the set.

for e.g. if a set A={1,2} then the number of subsets of this set will be 4 i.e. {},{1},{2},{1,2}.

now p{phi} MEANS that number of subsets of a set which contain no element which is EQUAL to 1. therefore p{p{phi}} CONTAINS 2 elements. so p{p{p{phi}}} will contain 4 elements

Discussion

30.	Find the value of x, if 5^x-3 × 5^2x-8 = 5^5
Answer» Step-by-step explanation: 5^x-3. 3^2x-8 = 225 We can WRITE 225 as follows:- 225 = 3 × 75 = 3 × 3 × 25 = 3 × 3 × 5 × 5 ∴ 5^x-3. 3^2x-8 = 5²×3² Compare both, 5^x-3=5² \| 3^2x-8=3² Bases are equal EXPONENTS must be equal. x-3=2. \| 2x-8=2 x=5. \| 2x=10,x=5 Therefore,the VALUE if x is 5

30.

Find the value of x, if 5^x-3 × 5^2x-8 = 5^5

Answer»

Step-by-step explanation:

5^x-3. 3^2x-8 = 225

We can WRITE 225 as follows:-

225 = 3 × 75

= 3 × 3 × 25

= 3 × 3 × 5 × 5

∴ 5^x-3. 3^2x-8 = 5²×3²

Compare both,

5^x-3=5² | 3^2x-8=3²

Bases are equal EXPONENTS must be equal.

x-3=2. | 2x-8=2

x=5. | 2x=10,x=5

Therefore,the VALUE if x is 5

Discussion

31.	Population of town a and b are in ratio 5:9. 45%of population a are male 52% in town b are male. Wt % of combind population are female
Answer» Step-by-step explanation: In first town FEMALE percent=100%-45=55% In second town female percent=100%-52%=48% COMBINED percentage =55%+48%=103%

31.

Population of town a and b are in ratio 5:9. 45%of population a are male 52% in town b are male. Wt % of combind population are female

Answer»

Step-by-step explanation:

In first town FEMALE percent=100%-45=55%

In second town female percent=100%-52%=48%

COMBINED percentage =55%+48%=103%

Discussion

32.	What is the slope of the line that passes through the points (2,3) and (-2,-6)
Answer» ANSWER: $\Huge \boxed{\frac{9}{4}}$ Step-by-step explanation: To FIND the slope, first you have to use the slope formula of $\displaystyle \frac{y_2-y_1}{x_2-x_1}=\frac{rise}{run}$ . y2=(-6) y1=3 x2=(-2) x1=2 $\displaystyle \frac{(-6)-3}{(-2)-2}=\frac{-9}{-4}=\frac{9}{4}$ As a result, the slope is 9/4, which is our answer.

32.

What is the slope of the line that passes through the points (2,3) and (-2,-6)

Answer»

ANSWER:

$\Huge \boxed{\frac{9}{4}}$

Step-by-step explanation:

To FIND the slope, first you have to use the slope formula of $\displaystyle \frac{y_2-y_1}{x_2-x_1}=\frac{rise}{run}$ .

y2=(-6)

y1=3

x2=(-2)

x1=2

$\displaystyle \frac{(-6)-3}{(-2)-2}=\frac{-9}{-4}=\frac{9}{4}$

As a result, the slope is 9/4, which is our answer.

Discussion

33.	Prove that cot(45+x)= (cos x-sin x)/ (cos x+sinx)
Answer» ANSWER: PLEASE FIND the ATTACHED image. Step-by-step EXPLANATION:

33.

Prove that cot(45+x)= (cos x-sin x)/ (cos x+sinx)

Answer»

ANSWER:

PLEASE FIND the ATTACHED image.

Step-by-step EXPLANATION:

Discussion

34.	Cos square theta/1+sin theta)-(sin square theta/1+cos theta)}square
Answer» ANSWER: SORRY i DONT KNOW OK sorry

34.

Cos square theta/1+sin theta)-(sin square theta/1+cos theta)}square

Answer»

ANSWER:

SORRY i DONT KNOW OK sorry

Discussion

35.	Convert the variance of a product into a product of variances
Answer» Step-by-step explanation: Because X1X2⋯Xn−1 is a random variable and (ASSUMING all the Xi are independent) it is independent of Xn, the answer is obtained inductively: NOTHING new is NEEDED. Lest this SEEM too mysterious, the technique is no different than pointing out that since you can add TWO numbers with a calculator, you can add n numbers with the same calculator just by repeated addition

35.

Convert the variance of a product into a product of variances

Answer»

Step-by-step explanation:

Because X1X2⋯Xn−1 is a random variable and (ASSUMING all the Xi are independent) it is independent of Xn, the answer is obtained inductively: NOTHING new is NEEDED. Lest this SEEM too mysterious, the technique is no different than pointing out that since you can add TWO numbers with a calculator, you can add n numbers with the same calculator just by repeated addition

Discussion

36.	Finding critical points when dx/dt and dy/dt are given
Answer» ANSWER: PLEASE SEARCH it on GOOGLE OKKK

36.

Finding critical points when dx/dt and dy/dt are given

Answer»

ANSWER:

PLEASE SEARCH it on GOOGLE OKKK

Discussion

37.	Find magnitude of resultant a=5 b= 3 and angle =37
Answer» ANSWER: SORRY i DONT KNOW this okkkkkkkkkk

37.

Find magnitude of resultant a=5 b= 3 and angle =37

Answer»

ANSWER:

SORRY i DONT KNOW this okkkkkkkkkk

Discussion

38.	Divide y^3+y^2-2y+1÷y - a
Answer» Step-by-step EXPLANATION: HOPE it HELPS MARK as BRAINLLIST

38.

Divide y^3+y^2-2y+1÷y - a

Answer»

Step-by-step EXPLANATION:

HOPE it HELPS MARK as BRAINLLIST

Discussion

39.	All even number are composite number expect
Answer» EXCEPT 0......!!!!!!!

Discussion

40.	What is subtraction of 5 and 4any one free
Answer» 5-4=1 HOPE it HELPS you

40.

What is subtraction of 5 and 4any one free

Answer»

5-4=1

HOPE it HELPS you

Discussion

41.	N(A)= 10, n(B)=15,n(C)=20 and n( A ^B)=8,n(B^C)=9 then n(A^B^C)=?
Answer» ANSWER: you can SOLVE this by FOLLOWING FORMULA

41.

N(A)= 10, n(B)=15,n(C)=20 and n( A ^B)=8,n(B^C)=9 then n(A^B^C)=?

Answer»

ANSWER:

you can SOLVE this by FOLLOWING FORMULA

Discussion

42.	one fifth of the total number of students to study English 25 lakh to study maths and I like to study science so the question is what fraction of total student like to study science
Answer» Answer: 1/3 Step-by-step EXPLANATION: Safety is the most important feature of the gyrocopter, it is equipped with a ROTOR that auto-rotates FREELY due to the effect of the relative wind and is not connected to the engine in-flight. The dreaded event of an engine stopping poses no problem as the gyrocopter GLIDES and lands easily without the use of an engine. In fact, in the training course the student must always land without the engine and, quite unlike an airplane, when the aircraft reaches the floor the TOUCHDOWN requires almost no speed.

42.

one fifth of the total number of students to study English 25 lakh to study maths and I like to study science so the question is what fraction of total student like to study science

Answer»

Answer:

1/3

Step-by-step EXPLANATION:

Safety is the most important feature of the gyrocopter, it is equipped with a ROTOR that auto-rotates FREELY due to the effect of the relative wind and is not connected to the engine in-flight. The dreaded event of an engine stopping poses no problem as the gyrocopter GLIDES and lands easily without the use of an engine.

In fact, in the training course the student must always land without the engine and, quite unlike an airplane, when the aircraft reaches the floor the TOUCHDOWN requires almost no speed.

Discussion

43.	Please answer my question 2 part
Answer» Answer: The answer to this QUESTION will be A=2 and B=5/6 Step-by-step EXPLANATION: RATIONALIZE the DENOMINATOR You will get denominator as 6

43.

Please answer my question 2 part

Answer»

Answer:

The answer to this QUESTION will be

A=2 and B=5/6

Step-by-step EXPLANATION:

RATIONALIZE the DENOMINATOR
You will get denominator as 6

Discussion

44.	If p = X cos 0 - Y sin e, q = X sin € + Y cos eand p? + 4pq+q? = AX2 + BY”, ososWhat is the value of 0 ?
Answer» ANSWER: you can SOLVE this by FOLLOWING FORMULA

44.

If p = X cos 0 - Y sin e, q = X sin € + Y cos eand p? + 4pq+q? = AX2 + BY”, ososWhat is the value of 0 ?

Answer»

ANSWER:

you can SOLVE this by FOLLOWING FORMULA

Discussion

45.	aditya devotes 6 hours to his studies everyday. he devotes 1 ×4/5 hours to mathematics, 1×1/4 hours to English and the remaining time to study others subjects. how much time does he spend on other subject?
Answer» Step-by-step EXPLANATION: ADITYA SPEND 99/20time on his other SUBJECT

45.

aditya devotes 6 hours to his studies everyday. he devotes 1 ×4/5 hours to mathematics, 1×1/4 hours to English and the remaining time to study others subjects. how much time does he spend on other subject?

Answer»

Step-by-step EXPLANATION:

ADITYA SPEND 99/20time on his other SUBJECT

Discussion

46.	EXERCIS1. Determine the value of the following.(110831log5(vi)log de(vlog, 512(iv) logi(vii) log,0.01(vii) log1(ix)22+10,3
Answer» Answer: Day and night, changing phases of the moon, beating of heart, clock striking an hour are all examples of PERIODIC MOTION whereas water becoming ice, burning of matchstick ETC are non periodic changes. Changes which are repeated after regular INTERVALS are called periodic changes.

46.

EXERCIS1. Determine the value of the following.(110831log5(vi)log de(vlog, 512(iv) logi(vii) log,0.01(vii) log1(ix)22+10,3

Answer»

Answer:

Day and night, changing phases of the moon, beating of heart, clock striking an hour are all examples of PERIODIC MOTION whereas water becoming ice, burning of matchstick ETC are non periodic changes. Changes which are repeated after regular INTERVALS are called periodic changes.

Discussion

47.	Find two consecutive composite numbers less than 10 such as that there is no prime numbers
Answer» Answer: 8 and 9 are the ANS but I am not DAM SURE of this ans

47.

Find two consecutive composite numbers less than 10 such as that there is no prime numbers

Answer»

Answer:

8 and 9 are the ANS but I am not DAM SURE of this ans

Discussion

48.	Pair of integer whose sum is -7integer whose sum is -7
Answer» ANSWER: -2+(-5) Step-by-step EXPLANATION:

48.

Pair of integer whose sum is -7integer whose sum is -7

Answer»

ANSWER:

-2+(-5)

Step-by-step EXPLANATION:

Discussion

49.	16m2-40m+16=0 solve it
Answer» Answer: 2 Step-by-step explanation: 16m(2)-40m+16=0 32m-40m=-16 -8m=-16 m=2

49.

16m2-40m+16=0 solve it

Answer»

Answer:

2

Step-by-step explanation:

16m(2)-40m+16=0

32m-40m=-16

-8m=-16

m=2

Discussion

50.	1/4x = 16- 1/6 x solve it please
Answer» X=5/16×12 is its ANSWER

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