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kipiarov [429]
2 years ago
11

Can someone pls help me!! And if u can explain how u do it I will very thankful for that..

Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
8 0

Answer:

For the first question is 8y, and the second question would be 80

Step-by-step explanation:

The perimeter of a shape is calculated by adding it's sides together, and 2y+2y+2y+2y=8y. If y=10, we can substitute y for 10 in which 8*10 is 80.

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256= blank exponent 4
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The answer is 4. If you multiply 4 • 4 = 16 • 4 = 64 • 4 = 256.
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Determine the value of y when x=15 if y=6 when x =30
Vladimir79 [104]
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6 0
3 years ago
What is true about the points on the graph of y=2x?
IgorC [24]

Answer:

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Step-by-step explanation:

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3 years ago
What is the slope of the equation y= 5/4x - 7/4?<br> –7<br> -7/4<br> 5/4<br> 5
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Step-by-step explanation:

5 0
3 years ago
i need help with number 7. its solving systems of equations by substitution. please show work!!! i need help
SIZIF [17.4K]
#7:
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Answer:
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Answer: x=-21+y/5

hope i helped!



7 0
3 years ago
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