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maxonik [38]
2 years ago
11

05.01

Mathematics
2 answers:
Elodia [21]2 years ago
6 0

Answer:21

Step-by-step explanation:

Lina20 [59]2 years ago
6 0

Answer:

4950

Step-by-step explanation:

2 1/4 = 2 2/8 = 18/8 = 90 feet

1 3/8 = 11/8 = 55 feet

90 x 55= 4950 feet

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ariel is saving money for a new computer that costs $650. she has $150, which she puts into an account. then she adds $25 each w
Oksanka [162]
20 weeks

The initial equation is 25x+150=650. Since she already has 150, we can subtract that from the total to get 500. We now have that 25x=500. Divide by 25 on both sides to get 20 weeks

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5 0
3 years ago
The amount of sales tax on a new car is directly proportional to the purchase price of the car. Victor bought a new car for $30,
Airida [17]

Answer:

Rita paid 47,500 dollars for the purchase price.

Step-by-step explanation:

We are given the sales tax on a new car is directly proportional to the purchase price of the car which means there is is something k such that

when you multiply it to the sales tax you get the purchase price.

Let's set this equation:

y=kx

Let y represent the purchase price and x the sales tax.

The second sentence tells us that (x,y)=(1500,30000).

We can plug this into y=kx to find the constant k.  (Constant means it stays the same no matter what the input and output is).

So we have:

30000=k(1500)

300    =k(15)      I went ahead and divided previous equation by 100.

Now divide both sides by 15:

300/15=k

Simplify:

20=k

So the equation to use the answer the question is

y=20x

where y is purchase price and x is sales tax.

So we want to know the purchase price on a car if the sales tax is 2375.

So replace x with 2375:

y=20(2375)

y=47500

3 0
3 years ago
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The scatter plot shows the first-year income for 15 people, based on the number of years of school they each had after high scho
notsponge [240]

Answer:

C.

Step-by-step explanation:

the answer is C. because if you notice how on the scattered graph the numbers go from 0-9 and 0-90. on C. it says 0years which will have an income of 8,000 dollars. divide and multiply and then switch flip.

4 0
2 years ago
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Mrs. Jackson gives the table below to her students. In order for the function to be linear, what must a be and why? a = 22 becau
evablogger [386]

Answer:

It's D (a = 20 because the rate of change is –3.)

Step-by-step explanation:

I did the test and that was the correct answer

3 0
3 years ago
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You want to rent movies online. The new service charges a sign up fee of
Nezavi [6.7K]

y = 12x + 10

Assuming that your question is multiple choice, the variables might be different.

The reason that it's represented as 12x + 10 is because there is a flat fee of $10 when you sign up. From then on afterward, every month you pay $12.

In this equation, the variable 'y' represents the total cost, while 'x' represents the number of months this service was in use.

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3 years ago
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