Which term is the perfect square of 3x^4?
6x^8
6x^16
9x^8
9x^16

Answers

Answer 1
Answer: look it up online it has a gragh

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What number is 22% of 320? 

       A. 7040   B. 70.4   C. 704   D. 7.04

Answers

70.4 is 22% of number 320, Option B is correct.

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

We have to find the 22% of 320

Let us convert 22% to decimalvalue by dividing with 100

22/100=0.22

Now multiply 0.22 with 320

0.22×320

we get 70.4

Hence, 70.4 is 22% of number 320.

To learn more on Percentage click:

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22% of 320 = n
22% × 320 = n
0.22 × 320 = n
(22% = (22)/(100) = 0.22)
70.4 = n 

22% of 320 = 70.5

Answer is B. 70.4

Enrique is 5 years younger than his sister, Josefina. Josefina is 15. How old is Enrique?Let E = Enrique's age.

Answers

Hi there!

In order to solve this problem, we would create the math equation sentence

15 - 5 = e

Then, of course, we do the math.

15 - 5 = 10

And the answer is -

E = 10

I hope this helps you!

~Alexa


Factor this radical expression. 50a^2-10ab/20a^3b^3

Answers

remembe
(ax)/(bx)=(a/b)(x/x)=(a/b)1
find ones aka common factors and use distributive

top
50a^2-10ab
common facotrs is 10a
undistribute (ab+ac=a(b+c))
10a(5a-b)

bottom
20a^3b^3
see if 10a is also a common factor and undistribute that to cancel and make ones
10a(2a^2b^2)

now we have
(10a(5a-b))/(10a(2a^(2)b^(3))=(10a)/(10a)(5a-b)/(2a^(2)b^(3))
1)split into two fractions 
(50a^(2) )/(20a ^(3) b ^(3) )(10ab )/(20a ^(3) b ^(3) )

2) cancel what you can on both sides
(5)/(2ab ^(3) )(1)/(2a ^(2)b ^(2) )

3) Make the denominators the same by cross multiplying and then put together as 1 fraction again
(5a-b)/(2a ^(2)b ^(2) )

Line AB has a length of 5 cm. The line segment is dilated to produce line A'B', which has a length of 2 cm. Find the scale factor of the dilation. A. k = 2/5
B. k = 1/2
C. k = 5/2
D. k = 2

Thank you in advance for your help!

Answers

Answer:

Option A is correct

k = 2/5

Step-by-step explanation:

The rule of dilation with scale factor k is given by:

k = \frac{\text{Image length}}{\text{original length}}

As per the statement:

Line AB has a length of 5 cm. The line segment is dilated to produce line A'B', which has a length of 2 cm.

⇒original Length (AB)= 5 cm

and

Image length (A'B') = 2 cm

Apply the rule of dilation we have;

k = \frac{\text{A'B'}}{\text{AB}}

Substitute the given values;

k = (2)/(5)

Therefore, the scale factor of the dilation is, 2/5

The correct answer is A. k = 2/5

What is the 8th term in the addition pattern with formula 9n + 5? A.
22

B.
68

C.
72

D.
77

Answers

replace n with 8 : 9 × 8 + 5 = 77
the answer is D. 77

Bob has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out how many are quarters and how many are dimes.

Answers

37 dimes, 23 quarters. 


37 dimes, 23 quarters