3 years ago

Find the square root of 25? a. 125 b. 5 c.10 d.0.05

1 answer:

5 0

The square root of 25 is b. 5. This is because the square root of a number multiplied by itself equals the original number. Thus, the square root of 25 is 5.

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Solve the following system of equations. Express your answer as an ordered pair in the format (a,b), with no spaces between the

kirill [66]

Answer:

$\huge\boxed{(2,4)}$

Step-by-step explanation:

2x + 5y = 16 ------------------(1)

-5x -2y = 2 ------------------(2)

<u>Multiplying (1) by 5 </u>

5(2x+5y) = 16*5

10x+25y = 80 ----------------(3)

<u>Multiplying (2) by 2</u>

2(-5x-2y) = 2*2

-10x - 4y = 4 -----------------(4)

Adding Eq. (3) and (4)

10x + 25y -10x -4y = 80 + 4

25y - 4y = 84

21y = 84

Dividing both sides by 21

y = 4

$\rule[225]{225}{2}$

Now, Putting y = 4 in Eq. (1)

2x + 5(4) = 16

2x + 20 = 16

2x = 20 - 16

2x = 4

Dividing both sides by 2

x = 2

$\rule[225]{225}{2}$

Ordered Pair = (x,y) = (a,b) = (2,4)

$\rule[225]{225}{2}$

Hope this helped!

<h2>~AnonymousHelper1807</h2>

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