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trapecia [35]
3 years ago
8

A runner’s goal is to complete a mile in 4 minutes or less. The runner’s speed is 20 feet per second. Does the runner meet the g

oal? Explain.
Mathematics
1 answer:
Scilla [17]3 years ago
3 0

Answer:

no, because the runner is short by 480 feet

Step-by-step explanation:

there are 5280 feet in 1 mile

5280 feet= 1 mile                             20 feet= 1 second (times by 240)

                                                               4800 feet=            240 seconds

he is 5280-4800= 480 feet less

please give me brainliest!!<3

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A developer claims that the percent of city residents who favor building a new football stadium is likely between 52.3% and 61.7
Dmitry [639]

Answer: 453

Step-by-step explanation:

To solve the question, we have to calculate the margin of error which will be:

= (61.7% - 52.3%) / 2

= 9.4% / 2

= 4.7%

4.7% = 1 / ✓n

0.047 = 1 / ✓n

✓n = 1 / 0.047

✓n = 21.28

Square both sides to.gwt the value of n

n = 21.28²

n = 452.69

n = 453

453 residents were surveyed

8 0
3 years ago
B(x)=|x+4| what is b(-20)​
sattari [20]

Answer:

16

Step-by-step explanation:

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4 0
3 years ago
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Kaylis [27]

Answer:

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on edge

3 0
2 years ago
Calculate each or quotient 2 2/5 x3 1/3=
My name is Ann [436]
8

You multiply the numbers
6 0
3 years ago
The Bishop's Peak 4-H club is having its annual fundraising dinner. Adults pay $35 apiece and children pay $25 apiece. If the nu
vodka [1.7K]
35a + 25c = 2660
a = 2c

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a = 2c
a = 2(28)
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4 0
2 years ago
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