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Nitella [24]
3 years ago
5

an employee of a car wash earns $12 for each car she washes. she always savs $50 of her weekly earnings. this week, she wants to

have at least $100 in spending money. what is the fewest number of cars she must wash?
Mathematics
1 answer:
Nitella [24]3 years ago
8 0

at least 13 cars to be washed

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What’s the answer in simplified form
Schach [20]

Answer:

Step-by-step explanation:

To solve this correctly, you need to make sure to distribute the negative onto both terms in the second parentheses.

So fully expanded, the problem would be:

2y² + 8y -7 + 3y - 3 = ?

You can easily rearrange the terms, or just do it in your head!

It would become:

2y² + 8y +3y -7 -3

= 2y² + 11y -10

Make sure you keep the terms with different variables separate! I hope this is helpful!

3 0
2 years ago
I’m stuck on these 2 please need help on this
Schach [20]

Answer: i think it's either a or d

3 0
3 years ago
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Greg and Lu are building a toy hydraulic crane, as shown in the picture.
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So,

Notice that there is a triangle with two of the angles given.  We know that the sum of any triangle's angles will always be 180°.  Thus, we can subtract the two given angles from 180, and that will give us the measure of angle ABC.

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3 years ago
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Find the sum and difference (first mixed number minus the second mixed number) for the following pair of mixed numbers. The answ
xz_007 [3.2K]

Answer:

Sum = 15 8/15, Difference = 1 2/15

Step-by-step explanation:

8⅓, 71/5

A. Sum

8⅓ + 7 1/5

Convert to improper fraction

25/3 + 36/5

Find the LCM of 3 and 5. The result is 15. Divide 15 by the denominator of each fraction and multiply the result obtained with the numerator. The result is shown below:

[(25×5) + (36×3)] / 15

[125 + 108] / 15

233 / 15

Convert to mixed fraction

15 8/15

B. Difference

8⅓ – 7 1/5

Convert to improper fraction

25/3 – 36/5

Find the LCM of 3 and 5. The result is 15. Divide 15 by the denominator of each fraction and multiply the result obtained with the numerator. The result is shown below:

[(25×5) – (36×3)] / 15

[125 – 108] / 15

17 / 15

Convert to mixed fraction

1 2/15

SUMMARY:

Sum = 15 8/15, Difference = 1 2/15

3 0
3 years ago
I know this is easy but im stuck on two answers and im getting confused.. The first one that answer this correctly gets a BRANLI
evablogger [386]
I don’t know the gap at the beginning but the answer is c
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3 years ago
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