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Mnenie [13.5K]
3 years ago
5

Simplify: –7(x – y – 2z)

Mathematics
1 answer:
Nady [450]3 years ago
3 0
I hope this helps you




-7x+7y+14z
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Step-by-step explanation:

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3 years ago
Rachael needs to rent a car while on vacation. The rental company charges $17.95, plus 19 cents for each
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116 miles

Step-by-step explanation:

We can solve this by first writing an equation for the cost of the car rental. To begin, the base cost is $17.95, so any further costs must be added to that. Next, the car costs 19 cents (0.19 dollars) for each mile driven, so for each mile, we add 19 cents. This can be written as 0.19 *x if x represents the amount of miles driven. Therefore, we can add the two input costs of the car (the base cost and cost per mile) to get

17.95 + 0.19 * x = total cost.

After that, we want to maximize x/the number of miles with only 40 dollars. We can do this by setting this equal to the total cost, as going over the total cost is impossible and going under would be limiting the amount of miles (this because we are adding money for each mile, so more money means more miles). Therefore, we have

17.95 + 0.19 * x = 40

subtract 17.95 from both sides to isolate the x and its coefficient

22.05 = 0.19 * x

divide both sides by 0.19 to isolate x

22.05/0.19 = x = 116.05

The question asked us to round down, and 116.05 rounded down is 116 for our answer

5 0
3 years ago
Find angle R as shown by the picture<br><br>I need an explanation<br>Will name brainliest
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Step-by-step explanation: Hope this help :D

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About 4 ounces I think

I hope that helps!!!!!!

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4 years ago
Select all the values for that indicate r a positive slope for the line of best fit.
Whitepunk [10]

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3 years ago
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