3 years ago

Which of the following describes the correct first step in solving the equation 2x - 7 = 5?

Mathematics

1 answer:

xenn [34]3 years ago

3 0

Answer:

Adding 7 to both sides of the equal sign

Step-by-step explanation:

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ycow [4]

Answer:

$\huge\boxed{\texttt{Yes. Explanation for why.}}$

Step-by-step explanation:

If we have the equation $y = \frac{1}{2}x - 4$ and we want to test if the point (4,–2) satisfies the equation, we can plug the x and y values into the equation and see if they make the equation true.

4 is the x value, -2 is the y.

$-2 = (\frac{1}{2}\cdot4)-4$

$-2 = 2 - 4$

$-2 = -2$

So this does satisfy the equation.

Hope this helped!

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

1) Suppose there are 2 blue, 3 green, and 5 yellow marbles in a bag. One marble will be drawn from the bag. List the sample spac

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Step-by-step explanation:

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3 years ago

To select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles th

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Answer:

We conclude that a researcher used simple random sample.

Step-by-step explanation:

We know that select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles the papers in a hat and randomly picks five names.

We conclude that a researcher used simple random sample.

Because every children has an equal chance of being included in the sample.

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3 years ago

Find the HCF using prime factors of 36 and 54

nataly862011 [7]

Answer:

Step-by-step explanation:

2x18 is 36 and 3x18 is 54

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2 years ago