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labwork [276]
3 years ago
12

This equation has one solution. 5(r–1) + 3r =7(r + 1) What is the solution?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
4 0

Answer:

R=12 is the solution

I don't know how to explain but it needs to be 20 characters

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Everett and Marie are going to make brownies for their family reunion. They want to make 4 times the amount the recipe makes. If
denis-greek [22]
8/3 cups or 2 2/3
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3 0
3 years ago
Evaluate the expression.<br> 38 +16 - 12 - 2 - (302)<br> Enter your answer in the box.
masha68 [24]

Answer:

-262

Step-by-step explanation:

Evaluate Subtraction & Addition from right to left [or left to right, as long as you know what you are doing]:

38 + 16 - 12 - 2 - 302

|_______||____________|

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5 0
3 years ago
Which equation is equivalent to 3[x+3(4x-5)]=15x-24
Klio2033 [76]
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7 0
3 years ago
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A triangle is cut from a piece of fabric. The triangle has a height of 8 inches in an area of 120 in.². What is the length of th
andreyandreev [35.5K]

Answer: 30 inches

Step-by-step explanation:

Given:

ABC-tringle

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S= 120 in^2

AC-?

Solution:

S=1/2ab

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120=4a

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a=30 in

8 0
3 years ago
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4 0
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