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Musya8 [376]
3 years ago
7

Which of these four equations are equivalent? Explain your answer.

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
3 0

c and d. i hope i satisfied your query. Please rate my response. Have a great day!

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One sheet of paper is 9 x 10 to the power of -3 to cm thick. Mark wants to put 500 sheets of paper into the paper tray of his pr
stealth61 [152]

Answer:

The paper tray is not deep enough.

Step-by-step explanation:

500 * 9 * 10^-3

= 500 * 0.009

= 4.5 cm which is greater than the depth of the paper tray (4 cm).

7 0
4 years ago
The equation 2x^2 + 15 - 8 = 0 has two solutions. What is the sum of those two solutions?
Goryan [66]

Answer:

x=(-15±√(79) all over 4

Step-by-step explanation:

You can do this in a few ways but I used the quadratic formula for it. Just plug the numbers into this equation: x= -b ± √(b-4ac) all over 2a.

In this case a=2, b=15, c=-8

Also, there wasn't an "x" behind 15 so I'm doing this by assuming that there is one.

5 0
4 years ago
Solve for the value of X squared.
slega [8]

Step-by-step explanation:

x² + y² = 153 and y = -4x.

=> x² + (-4x)² = 153

=> x² + 16x² = 153

=> 17x² = 153

=> x² = 9.

8 0
3 years ago
Read 2 more answers
Jared drew this rectangle. Then, he drew another rectangle that was twice as long but had the same width. In what way do the are
kenny6666 [7]

Answer:

Step-by-step explanation:

one rectangle has the area, A₁=LxW and,

perimeter P₁=2L+2W

the second rectangle has the area A₂=2L x W,

and perimeter P₂=2(2L)x2W= 4Lx2W

the second area doubles compared to the first area

the perimeter gets increased with double the length

3 0
3 years ago
Which equation is equivalent to 2x + 10 = 6?
Olegator [25]

Answer:

B

Step-by-step explanation:

Given

2x + 10 = 6 ( divide all 3 terms by 2 )

x + 5 = 3 ← equivalent equation

5 0
3 years ago
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