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uysha [10]
3 years ago
9

I really need help with this ?

Mathematics
1 answer:
zmey [24]3 years ago
6 0
The anser is d that what i think
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which of the following ordered pairs is a solution of the equation -2y + 9 = -x? A.(2,5) B.(-3,15) C.(4,-1)
vlada-n [284]

Answer:

Step-by-step explanation:

-2y + 9 = -x

x - 2y = -9

Plug in each set of points and see if the equation holds true.

A. 2 - 2(5) = ?

B. -3 - 2(15) = ?

C. 4 - 2(-1) = ?

I don't think that any of them work.

4 0
3 years ago
What is 6 x 13/3.....
Wewaii [24]

6 x 13/3=

78/3

divide top and bottom by 3

26/1

26

3 0
3 years ago
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Which of the following is equal to the square root of 50a6b7?
DedPeter [7]
<span>5<span>a3</span><span>b3</span><span><span>2b I believe, sorry I can't copy paste the radical sign.</span></span></span>
3 0
3 years ago
I NEED HELP
BaLLatris [955]

Answer:

\dfrac{1}{6}\ \text{cups per hour}

Step-by-step explanation:

V = volume

r = rate

t = time

Use formula V=r\cdot t connecting volume, rate and time.

In your case,

V=\dfrac{1}{4} cup of water

t=1\dfrac{1}{2} hours

r is unknown.

Substitute all data into the formula:

\dfrac{1}{4}=r\cdot 1\dfrac{1}{2}\\ \\\dfrac{1}{4}=r\cdot \dfrac{3}{2}\\ \\2\cdot \dfrac{1}{4}=3r\ [\text{Multipled by 2}]\\ \\3r=\dfrac{1}{2}\\ \\r=\dfrac{\frac{1}{2}}{3}\ [\text{Divided by 3}]\\ \\r=\dfrac{1}{6}\ \text{cups per hour}

3 0
3 years ago
5x+2=22<br><br> whats the answer
oee [108]

Answer:

x=4

Step-by-step explanation:

5x+2=22

5x=22-2

5x=20

x=20/5

x=4

7 0
4 years ago
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