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Fed [463]
2 years ago
15

What should be done to both sides of the equation in order to solve y - 4.5 = 12.2?

Mathematics
1 answer:
maw [93]2 years ago
6 0
Y - 4.5 = 12.2

your solving for y which means your trying to get rid of 4.5 so that y can equal something. The opposite of -4.5 would be +4.5, so you would add 4.5 to both sides to get 

y = 16.7

So your answer would be 

A. Add 4.5

and also dont' say your stupid because all you need is a little explanation and you'll get it, its very easy you just need to take the time to practice :-)
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7.539•3.0642<br>estamate <br>also 19.801•2.78 <br>HELP
Fynjy0 [20]
So i believe you need to round the whole number, if so than 8 * 3 = 24 and  20 * 3 = 60
3 0
3 years ago
Find the amount of time. <br> 8. I = $2000, P = $5000, r = 8%
algol [13]

Answer:

t = 5 years

Step-by-step explanation:

I = $ 2000

P = $ 5000

r = 8%

I = P * \frac{r}{100}*t\\\\t =\frac{ I * 100}{P*r}\\\\t =\frac{2000*100}{5000*8}\\\\ = 5

5 0
3 years ago
Which of the following BEST summarizes how to use the multiplication property of equality to isolate the
borishaifa [10]

Answer:

A. divide only on the right side of the equation by 2.

Step-by-step explanation:

I took the test yesterday and I got it hope this helps.

7 0
2 years ago
What is the equation that represents the line?
Kryger [21]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, - 6) and (x₂, y₂ ) = (2, - 3) ← 2 points on the line

m = \frac{-3+6}{2+2} = \frac{3}{4}, thus

y = \frac{3}{4} x + c ← is the partial equation

To find c substitute either ot the 2 points into the partial equation

Using (2, - 3), then

- 3 = \frac{3}{2} + c ⇒ c = - 3 - \frac{3}{2} = - \frac{9}{2}

y = \frac{3}{4} x - \frac{9}{2} ← equation of line

8 0
3 years ago
pls help i need this now subtract -9 1/3 - ( - 1 1/3 enter your answer as a simplified fraction in the box
Neko [114]

Answer:

-8/1 or -8

Step-by-step explanation:

when you subtract a negative, it means add. so first lets add the one. we get -8 1/3. then we can add the 1/3. our final answer is -8

4 0
2 years ago
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