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Rasek [7]
3 years ago
15

What is a equivalent expression for -3(7+5g)

Mathematics
1 answer:
bogdanovich [222]3 years ago
6 0

Answer:

= -21 - 15g

Step-by-step explanation:

Given that:

= -3(7+5g)

By simplifying

As "-" sign will invert the inner signs:

= -21 - 15g

I hope it will help you!!

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Answer:

Chocolate Chips cost $2.25 and Walnuts cost $3.25 per pound each

Step-by-step explanatChocion:

Let x = cost of pounds of chocolate chip cookies and y = cost of pounds of walnuts.

From the question, we get 5x+3y = 21 and 2x+6y = 24. To solve the equation, we use substitution. From the first equation, we get y = (21-5x)/3. We substitute the y into the second equation to get 2x + 6(21-5x)/3 = 24. This turns out to be 2x+(42-10x) = 24. Adding like terms you should get 42-8x = 24. Solving for x, x = $2.25 per pound. Plugging this into the first equation, we get 5(2.25)+3y = 21. Solving for y, we get $3.25 per pound of walnuts. If we plug in the numbers into the 2 equations, we will get the right total.

3 0
3 years ago
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Nataly_w [17]

Answer:

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Step-by-step explanation:


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Cassie is measuring the volume of her fish tank to find the amount of water needed to fill it. Which unit of measurement should
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Step-by-step explanation:

This actually depends in different  problem but the way I think your talking about is the easiest way.

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              ----------

Step 3 do the problem

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