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2 years ago

13

also rented a truck for one day. there was a base fee of 20.99, and there was an additional charge of 85 cents for each mile dri

ven. aldo had to pay $210.54 when he returned the truck. for how many miles did he drive the truck?

1 answer:

Ipatiy [6.2K]2 years ago

8 0

Answer:

223 mile

Step-by-step explanation:

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Please help I don’t know the answer :(

gogolik [260]

Answer:

When x=8, y=-6. When x=10, y=0

Step-by-step explanation:

$y=3x-30\\x^2+y^2=100$

You can plug the given y value into the second equation to get:

$x^2+(3x-30)^2=100\\x^2+9x^2-180x+900=100\\10x^2-180x+800=0\\10(x^2-18x+80)=0\\10(x-8)(x+10)=0\\x= 8, 10\\y= -6, 0$

Hope this helps!

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2 years ago

Read 2 more answers

The doctor recommended that Mike increase the number of calories he burns working out from 1,500 to 1,800. By what percent did t

Viefleur [7K]

Answer: The number of calories increased by 20%.

Step-by-step explanation:

Given : The doctor recommended that Mike increase the number of calories he burns working out from 1,500 to 1,800.

Previous number of calories he used to burn = 1,500

Increase in calories = 1800-1500=300

Now , the percent increase in calories = $\dfrac{\text{Increase in calories}}{\text{previous calories}}\times100$

$=\dfrac{300}{1500}\times100=20\%$

Hence , the number of calories increased by 20%.

3 0

3 years ago

What does h(40) = 1700 mean in terms of the poblem?

choli [55]

40 is under the number of training hours and the $1700 is under the pay column.

So for 40 hours of training the person would make $1700.

The answer is D.

6 0

3 years ago

What is the value of x in the equation 5x-7=28

fredd [130]

5x -7 = 28

Add 7 to both sides:

5x = 35

Divide both sides by 5:

X = 7

The answer is x = 7

6 0

2 years ago

Evaluate the function at x = –2.<br><br><br><br> y = 0<br><br> y = 3<br><br> y = –4<br><br> y = 2

dezoksy [38]

When x=-2, y is equal to 3

4 0

2 years ago