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BigorU [14]
3 years ago
15

Please Help!!!

Mathematics
1 answer:
vaieri [72.5K]3 years ago
7 0

I DON'T UNDERSTAND MATH ANYMORE!!!!!!!!

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What is 4y - 9x + 3y - 2x when simplified?
pychu [463]

Answer:

A. -11x + 7y

Step-by-step explanation:

4y - 9x + 3y - 2x

4y + 3y = 7y

-9x - 2x = -11x

-11x + 7y

I hope this helps!

3 0
2 years ago
Please answer and say what a perfect root is pls i didnt get time to study and this is for 15 points
mixer [17]

Answer:

81

Step-by-step explanation:

9 x 9 = 81

So, 81 is the perfect square.

5 0
3 years ago
Read 2 more answers
The mixed number 1 1/5 comes between 0 and 1 on the number line. True or False
gogolik [260]
No, 11/5 simplified is 2 1/5 so it is in between 2 and 3
7 0
3 years ago
Read 2 more answers
The sales tax on a $350 computer is $ 22.75. find the sales tax rate.
likoan [24]

Set up an equation to solve for the tax rate, x:

350(x) = 22.75\\x = \frac{22.75}{350}\\x = 0.065\\x = 6.5%


We can conclude that the tax rate on the computer was 6.5 percent.

7 0
3 years ago
Bob and joe have a class together at Kensington college. They leave the class at the same time. Bob goes to the library at 4 mil
galben [10]

Solution

For this case we can create the following schema

We can use the definition of distance:

x= vt

We can find the relative velocity:

V_{\text{rel}}=4-2=2\frac{mi}{hr}

And the distance between both is required to be 2 mi so then we can find the time like this:

t=\frac{x}{v_{\text{rel}}}=\frac{2mi}{\frac{2mi}{hr}}=1hr

Then the answer is:

1 hr

5 0
1 year ago
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