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vaieri [72.5K]
3 years ago
10

I need help asap it’s a limited time quiz!!

Mathematics
2 answers:
Olegator [25]3 years ago
8 0

Answer:

5x-30=75

Step-by-step explanation:

5x=75+30

5x=105

×=105÷5

x=21

Dafna11 [192]3 years ago
5 0

Answer: 47

Step-by-step explanation:

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Explain how to model the problem with algebra tiles and then write an algebraic expression that represents the situation.
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Step-by-step explanation:

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Use properties to find the sum or product 93+(68+7)
Vlad [161]

Answer:

Step-by-step explanation:

93+(75)

= 168

3 0
3 years ago
NEED HELP ASAP!! (25 POINTS)
sergij07 [2.7K]

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Step-by-step explanation:

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7 0
3 years ago
Jake charges $15 per hour for swim lessons. The cost is per student. Is the amount of money jake makes per hour proportional to
V125BC [204]

Answer:

Hours

Step-by-step explanation:

Jake is being paid $15 an hour, not per child.

Say he has five children, three stay for one hour, two stay for two hours. If he's getting paid per hour, then he'd earn $105. But, if he gets paid per child he'd only make $75 dollars.

But since it says that he gets paid per HOUR, it would be proportional to how much money he makes.

4 0
3 years ago
Christine runs 10 miles in 75 minutes. At the same rate, how many miles would she ru<br> I miles
Len [333]

Answer:

\frac{46}{5}  miles  [or, 9.2 miles]

Step-by-step explanation:

<u>Complete Question:</u>

Christine runs 10 miles in 75 minutes. At the same rate, how many miles would she ru n in 69 minutes?

<u>Solution:</u>

We need to find the unit rate first and then find our answer. To get unit rate, we need to know the number of miles she runs in "1 minute". So, we will divide number of miles by number of minutes, that is given. Hence:

\frac{10}{75}=\frac{2}{15}

That means in 1 minute, Christine runs 2/15th of a mile.

Now, we want to know how many miles she will run in 69 minutes. We simply multiply unit rate (2/15) by the number of minutes (which is 69). Thus we have:

\frac{2}{15}*69=\frac{2*23}{5}=\frac{46}{5}

In decimal, doing division, that is 9.2 miles

7 0
3 years ago
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