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dimulka [17.4K]
3 years ago
13

Use the following situation for the next few questions:

Mathematics
1 answer:
Olegator [25]3 years ago
4 0

Answer:

5 oil changes.

Step-by-step explanation:

60 = 12x + 15y

60 = 12x + 15(0)

60 = 12x + 0

60

---- = x

12

5 = x

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What is the value of x in the equation 3(2x + 8) = 0? Group of answer choices −8 −4 4 8 please hurry!
Dafna11 [192]

Answer:

-4

Step-by-step explanation:

3(2x+8) = 0

Distribute

6x + 24 = 0

24 = -6x + 0

24/-6  = -4

8 0
3 years ago
Which of the following equations has no solution?
soldier1979 [14.2K]

Answer:

B. 3x+5−4x=−(x+8)

Step-by-step explanation:pls mark me

3 0
2 years ago
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Michael walks his black lab 6 2/3 miles every week. If he walks his dog every Monday, Wednesday, Friday, and Sunday. How many mi
Elenna [48]

Answer: 1.7 miles

Step-by-step explanation:

dog is walked four times a week

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6 0
3 years ago
A taxi costs 1.65 for the first mile and 0.85 for each additional mile. Which equation could be solved to find the number x of a
diamong [38]
1.65 + 0.85x= $20
           0.85x=$18.35
                 x=21 10/17 
first you write the equation 
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then you divide 0.85 from 0.85x and from the 18.35 left over from subtracting 1.65 from 20 
then you should get x=21 10/17 (simplified) but the decimal form is a ongoing fraction so you can just round it up to the nearest hundredth 
5 0
3 years ago
Work out the value of 23 - 4b. When b = 3
Serggg [28]

Answer:

11

Step-by-step explanation:

Substitute 3 for b

23 - 4(3)

Multiply 4(3) = 12

23 - 12

Subtract

23 - 12 = 11

8 0
3 years ago
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