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denis23 [38]
3 years ago
11

Simplify 9 exponent 2

Mathematics
1 answer:
STatiana [176]3 years ago
3 0

Answer:

81

Step-by-step explanation:

9^2 = 81 bc 9x9=81

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Find the amount after 2 years for 25000 at 10% pa compounded annually​ and halfyearly
Molodets [167]

Answer:

8358.7

Step-by-step explanation:

I think. I need someone to verify

3 0
3 years ago
Find any 3 (x,y) pairs that are solutions for the equation 2x-5y=10 . Show your work
Alla [95]

Answer:

(0,-2), (5,0) and (10,2).

Step-by-step explanation:

Given equation is 2x-5y=10.

Now we need to find 3 pairs of solutions in (x,y) form for the given equation.

As 2x-5y=10 is a linear equation so we are free to pick any number for x like x=0, 5, 10

Plug x=0 into 2x-5y=10, we get:

2(0)-5y=10

0-5y=10

-5y=10

y=\frac{10}{-5}

y=-2

Hence first solution is (0,-2)

We can repeat same process with x=5 and 10 to get the other solutions.

Hence final answer is (0,-2), (5,0) and (10,2).

5 0
4 years ago
Read 2 more answers
What is the slope of the line that passes through the points (5, 0) and (10, 0)
Ierofanga [76]

Answer:

The slope is zero

Step-by-step explanation:

We can find the slope of a line given two points by using

m = (y2-y1)/(x2-x1)

 = (0-0)/(10-5)

 = 0/5

 =0

7 0
4 years ago
Is n=3 a solution?<br><br><br>-21 = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B-63%7D%7Bn%7D" id="TexFormula1" title="\frac{-63
nadezda [96]

Yes. -63 / 3 = -21.

Please consider branliest! ^_^

7 0
3 years ago
Read 2 more answers
Select ALL the correct answers.
IgorC [24]

Answer:

A. 4(x - 4) + 2(3x² + 3x - 20)

C. (11x² + 7x - 55)-(5x² - 3x + 1)

F. (3x² + 5x - 28) + (3x² + 5x - 28)

Step-by-step explanation:

Given:

(3x-7)(2x+8)

= 6x² + 24x - 14x - 56

=6x² + 10x - 56

A. 4(x - 4) + 2(3x² + 3x - 20)

= 4x - 16 + 6x² + 6x - 40

= 6x² + 10x - 56

B. (3x² + 5x - 28) - (2x² + 4x + 28)

= 3x² + 5x - 28 - 2x² - 4x - 28

= x² + x - 56

C. (11x² + 7x - 55)-(5x² - 3x + 1)

= 11x² + 7x - 55 - 5x² + 3x - 1

= 6x² + 10x - 56

D. 4(x - 4) - 2(3x² + 3x - 20)

= 4x - 16 - 6x² - 6x + 40

= - 6x² - 2x + 24

E. (11x² + 7x - 55)-(5x² - 3x + 2)

= 11x² + 7x - 55 - 5x² + 3x - 2

= 11x² - 5x² + 7x + 3x - 55 - 2

= 6x² + 10x - 57

F. (3x² + 5x - 28) + (3x² + 5x - 28)

= 3x² + 5x - 28 + 3x² + 5x - 28

= 6x² + 10x - 56

7 0
3 years ago
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