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Lena [83]
3 years ago
6

Tony’s class needs more than $500 for the school dance. So far, they have raised $200. They plan to have a car wash, charging $8

a car, to raise more money. Tony solved the inequality 8x + 200 Greater-than-or-equal-to 500, and determined that if they wash 37 cars, they will have enough money. Is he correct? Explain
Mathematics
2 answers:
liubo4ka [24]3 years ago
7 0
No, because if they washed 37 cars the equation would be 8•37+200. This equation equals 496. So they would only have 496 dollars therefore they would have to wash at least one more car.
nalin [4]3 years ago
6 0

Answer:

No, he is going to have $496, which is $4 dollars less than what he wanted.

Step-by-step explanation:

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Jack earned $6.00 per hour before being given a 3% raise. What was Jack’s new wage after the raise?
mixas84 [53]

Answer:

$6.18 per hour

Step-by-step explanation:

  • 3% of 6 is 0.18

You can get this number by multiplying 0.03 by 6

  • Add 0.18 to 6 and that gives Jack $6.18
7 0
3 years ago
1. What is the slope and the y-intercept for the
Usimov [2.4K]

Answer:

Step-by-step explanation:

Slope= -5

y-intercept= 4

7 0
3 years ago
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1
ankoles [38]
We subtract the 17 from the 981 to make the two sides even so it’s easier to calculate, 981 - 17 = 964, then divide that by 2, 964/2 = 482. So your answer is 482.

Would appreciate brainliest!
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28%5Cfrac%7Bz%7D%7B4%7D%20%2B30%29%20%2B%20%28%5Cfrac%7Bz%7D%7B2%7D%20%29%20%3D%20180" id="Te
Dovator [93]

Answer:

  x = 200

Step-by-step explanation:

Multiply by 4:

  x + 120 + 2x = 720

  3x = 600 . . . . . . collect terms, subtract 120

  x = 200 . . . . . . . divide by 3

_____

<em>Check</em>

  (200/4 +30) +(200/2) = 180

  (50 +30) + 100 = 180

  80 + 100 = 180 . . . . . true

_____ _____

<em>Alternate solution</em>

If you like, you can simply work with the equation given.

  (3/4)x + 30 = 180 . . . . collect terms

  (3/4)x = 150 . . . . . . . . . subtract 30

  x = 200 . . . . . . . . . . . . multiply by 4/3

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3 years ago
As mercury revolves around the sun, it travels at a speed of approximately 30 miles per second. Convert this speed to kilometers
Elza [17]
30*1.6 = 48 km per second

48 * 2 = 96 kilometres
6 0
3 years ago
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