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Alina [70]
3 years ago
9

Amy runs 2 miles in 30 minutes enter the number of minutes it takes Amy to run 7 miles at this rate.?

Mathematics
2 answers:
Lelu [443]3 years ago
6 0

Answer:

Step-by-step explanation:

Amy is running 1 mile every 15 minutes, so 15*7 will give you your answer, which is 105. Divide 105 by 60 to convert into hours, which is 1 hour and 15 mins.

Verizon [17]3 years ago
4 0

Answer:

1.75 hours

1 hour and 45 minutes

Step-by-step explanation:

\frac{7}{y}: \frac{2}{30}

y · 2 = 30 · 7

2y = 210

2y ÷ 2 = 210 ÷ 2

y = 105

1 hour = 60 minutes

y hours = 105 minutes

\frac{1}{60}: \frac{y}{105}

y · 60 = 105 · 1

60y = 105

60y ÷ 60 = 105 ÷ 60

y = 1.75

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Lila has 3 cookies. She wants to share them equally with her three friends and have enough for herself. What fraction of a cooki
Aleksandr [31]

Answer:

3/4 of a cookie, if you want a decimal it is 0.75 of a cookie.

Step-by-step explanation:

She has 3 cookies and 3 friends plus herself. So that is 4 people. 3 cookies, divide them by 4 people, which is 3/4, in decimal form it is 0.75

5 0
3 years ago
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Coach pug will train your dog for a membership fee of 45 dollar and a session fee of 20 dollars. Dr.Doberman will train your dog
N76 [4]

Answer:

Coach pug charges $45 only one time, and an additional of $20 per session.

So if you take x sessions, the total cost will be:

c(x) = $45 + $20*x

Dr. Doberman charges only $30 per session, then the cost for x sessions will be_

d(x) = $30*x

Now, which one is better for you?

We need to see the value of x such that:

d(x) = c(x)

$30*x = $45 + $20*x

$30*x - $20*x = $45

$10*x = $45

x = $45/$10 = 4.5

This means that if you take 4 sessions or less, is better the Dr. Doberman, because in this case we do not have an y-intercept.

If you want to have 5 sessions or more, is better Coach Pug, because the slope of the equation is smaller, so the costs for larger values of x will be smaller.

3 0
3 years ago
Carol began with $50 in her bank account and then added an additional $10 a month. Select the algebraic model that describes b,
FrozenT [24]
B = 10m + 50 <========
3 0
3 years ago
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Use long division to determine the decimal equivalent of 5 over 9. 0 point 3 bar 0 point 4 bar 0 point 5 bar 0 point 6 bar
LenaWriter [7]

Answer:

Option 3 - 0 point 5.

Step-by-step explanation:

Given : Decimal equivalent of 5 over 9.

To find : Use long division to determine the decimal?

Solution :

We have to divide 5 by 9,

Step 1 - Divide 5 by 9 as it is not divisible put a decimal and 0 after 5,

Step 2 - Now, divide 50 by 9 the quotient is 5 and remainder is 5.

Step 3 - Again put 0 and divide the number repeat the process until the remainder is not zero.

We have done the calculation up to 3-decimal place.

So, \frac{5}{9}=0.555

Approximately, \frac{5}{9}=0.5

So, Option 3 is correct.

Refer the attached figure for calculation.

5 0
4 years ago
I NEED HELP NOW PLZ!!!
Kobotan [32]
Answer is D for sure
7 0
3 years ago
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