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alexandr402 [8]
3 years ago
8

Which expression is equivalent to 30x + 15y?

Mathematics
2 answers:
Softa [21]3 years ago
7 0
C) because you can divide both by 15 and 30÷15 = 2
mr_godi [17]3 years ago
7 0

Answer:c

Step-by-step explanation:

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2 years ago
What is the square root of 244?
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8 0
3 years ago
A city water company charges homeowners based on how much water they use in thousands of gallons. The company progressively char
Dima020 [189]

Answer:

  • 1700: $50
  • 2000: $60
  • 7000: $90

Step-by-step explanation:

You can read the answers from the graph. Find the usage on the horizontal scale, and look at the vertical scale to find the corresponding charge.

__

<h3>1700 gallons</h3>

The value 1700 is between 1000 and 2000, so will be between 1 and 2 on the horizontal scale. The graph is flat in that region. The charge is $50.

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<h3>2000 gallons</h3>

The graph has a jump at 2 on the horizontal scale. The solid dot tells you that the charge is $60.

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<h3>7000 gallons</h3>

At 7 on the horizontal scale, the graph is increasing from 80 to 100. At 7000 gallons, the line passes through the grid intersection indicating the charge is $90.

4 0
2 years ago
If y = 124 and x = 12, find y when x = -24.
tatyana61 [14]

Answer:

y = -248

Step-by-step explanation:

Hi there!

Set up a proportion:

\displaystyle\frac{124}{12} =\frac{y}{-24}

Cross-multiply:

12y=(-24)(124)\\12y=-2976\\y=-248

I hope this helps!

7 0
2 years ago
Take 56 and divide it by 4
Hunter-Best [27]
The answer will be 9 ok
3 0
3 years ago
Read 2 more answers
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