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STALIN [3.7K]
2 years ago
12

Which of the following examples has a unit rate of 50 miles per hour? Select all that apply.

Mathematics
2 answers:
Usimov [2.4K]2 years ago
8 0

Answer:

I believe your answer would be the following:

A) 250 miles in 5 hours.

C) 200 miles in 4 hours

E) 700 miles in 14 hour

Step-by-step explanation:

Unit rate = 50

A) 250 miles in 5 hours // 50*5 = 250 (CORRECT)

B) 300 miles in 5 hours // 50*5 ≠ 300 (WRONG)

C) 200 miles in 4 hours // 50*4 = 200 (CORRECT)

D) 240 miles in 4 hours // 50*4 ≠ 240 (WRONG)

E) 700 miles in 14 hours // 50*14 = 700 (CORRECT)

Hope this helps! :)

IgorC [24]2 years ago
7 0
<h3>Answers: Choice A, Choice C, Choice E</h3>

=========================================================

Explanation:

We use this formula

speed = distance/time

to divide each pair of values given.

  • For choice A, we have speed = distance/time = 250/5 = 50 mph which shows choice A is one of the answers.
  • Choice B doesn't work though because 300/5 = 60 mph.
  • Choice C works since 200/4 = 50 mph.
  • Choice D doesn't work: 240/4 = 60 mph
  • But choice E does work: 700/14 = 50 mph

To summarize, we got the following speeds

  • A) 50 mph
  • B) 60 mph
  • C) 50 mph
  • D) 60 mph
  • E) 50 mph
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Helpp guys thank youu
Debora [2.8K]

1. if we add something in x then it will also add up in value of y

2.  x by 5 times then y value increases by 3*5 = 15 times

3.  if x is added with 5 then y value increases by 8.

<h3>What is Algebra?</h3>

Algebra is the part of mathematics that helps represent problems or situations in the form of mathematical expressions.

As, per the first part

y=x

So, if we add something in x then it will also add up in value of x.

In second part,

y=3x

If x by 5 times then y value increases by 3*5 = 15 times

In third part, if x is added with 5 then y value increases by 8.

Learn more about algebra here:

brainly.com/question/953809

#SPJ1

7 0
1 year ago
Need math help please!!
dem82 [27]

Answer:

my best guess is A

Step-by-step explanation:

5 0
3 years ago
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How many times longer is 3 1/2 to 2 1/2
Alik [6]

Answer:

1.4 times as long

Step-by-step explanation:

3 1/2 (convert to mixed number) --> 7/2

2 1/2 (convert to mixed number) --> 5/2

(7/2) / (5/2) --> 7/5 --> 1.4

3 0
2 years ago
Read 2 more answers
If the four lines are extended, which system would have only one solution?
Anettt [7]

Answer:

A. Line a and line b

Step-by-step explanation:

6 0
3 years ago
The average American spent $8,508 on health care in 2011. The cost of health care is projected to rise about 5.8% per year for t
klio [65]
<h3>The projected amount the average American spent on health care in 2014  is $ 10075.91</h3>

<em><u>Solution:</u></em>

Given that,

The average American spent $8,508 on health care in 2011

The cost of health care is projected to rise about 5.8% per year for the years 2012-2022

<em><u>The increasing function is given as:</u></em>

y = a(1+r)^t

Where,

y is future value

a is initial value

r is growth rate in decimal

t is number of years

From given,

a = 8508

r = 5.8 \% = \frac{5.8}{100} = 0.058

t = 2011 to 2014 = 3 years

<em><u>Substituting the values, we get,</u></em>

y = 8508(1 + 0.058)^3\\\\y = 8508(1.058)^3\\\\y = 8508 \times 1.1842\\\\y = 10075.914 \approx 10075.91

Thus the projected amount the average American spent on health care in 2014  is $ 10075.91

4 0
3 years ago
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