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Viefleur [7K]
3 years ago
7

Joyce is training for a race the ratio of the number of minutes she runs to the number of miles she wants is 24 to 3 she plans t

o run 10 miles how many minutes will it take her
Mathematics
1 answer:
CaHeK987 [17]3 years ago
6 0

Answer:

84

Step-by-step explanation:

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Savatey [412]
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6 0
3 years ago
A high school sports team is ordering sports drinks online from a company. The price of sports drinks varies, based on the numbe
Elena-2011 [213]

The amount of drinks is a linear function of the number of drinks. The maximum amount that can be purchased is 100 soft drinks.

Let

y \to amount of drinks

x \to number of drinks

For drinks not more than 50

y = 10 + 0.8x

For drinks more than 50.

y = 15 + 0.7x

For a purchase of $85, it means that:

y = 85

So, we solve for x in both equations.

y = 10 + 0.8x

85 = 10 + 0.8x

Collect like terms

0.8x = 85-10

0.8x = 75

Divide through by 0.8

x = 93.75

x = 94 --- approximated

y = 15 + 0.7x

85 =15 + 0.7x

Collect like terms

0.7x = 85 - 15

0.7x = 70

Divide by 0.7

x = 100

By comparing both values:

x = 100

x = 94

100 > 94

Hence, the maximum amount that can be purchased is 100

Read more about functions at:

brainly.com/question/20286983

5 0
3 years ago
Read 2 more answers
Please help, multiple choice
Misha Larkins [42]

Answer:

x=25

Step-by-step explanation:

If the figures are similar, then the angles are the same. So that means that angle H is equal to angle D (you can count he little arcs in the angle to find it's matching partner). Since this is true:

4x=100

Which is the same as D=H. Solve for x by dividing both sides by 4:

\frac{4x}{4} =\frac{100}{4} \\\\x=25

Finito.

4 0
3 years ago
Fred's resting heart rate is 50 bpm every minute he exercises his heart rate increases by 5 bpm how long will it take them to re
Mkey [24]
He would need to exercise for approximately 14 minutes to get to 120 bpm
4 0
3 years ago
What is the value of the expression 3/8 ÷ 1 1/2
Shtirlitz [24]

Answer:

0.25

Step-by-step explanation:

i used a caculator (sorry im terrible at spelling)

8 0
3 years ago
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