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sineoko [7]
3 years ago
10

What would the unit rates be for a man who walked 20 mi in 5 h?

Mathematics
2 answers:
user100 [1]3 years ago
6 0
\frac{5}{20}  \frac{h}{mi} = .25  \frac{h}{mi}

Hope that helps


sergey [27]3 years ago
3 0
4 mile would be the unit rate of the man
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What is the y-intercept of f(x) = (-1/4)^x?
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Answer:

The correct answer is A.

To find the y-intercept, substitute in  0  for  x  and solve for  y .

6 0
3 years ago
PLEASE HURRY!! <br> simplify completely<br> show all work for full credit
Irina18 [472]

Answer:

4x^{3}

Step-by-step explanation:

<u>Given:</u>

(\frac{192x^{12}}{3x^{3}} )^{\frac{1}{3}}

<u>Apply exponent rule of distribution:</u>

\frac{(192x^{12})^{\frac{1}{3}}}{(3x^{3})^{\frac{1}{3}}}

<u>Simplify the numerator:</u>

\\\\\frac{4 * 3^{\frac{1}{3}}x^{4}}{(3x^{3})^{\frac{1}{3}}}

<u>Simplify the denominator:</u>

\\\frac{4 * 3^{\frac{1}{3}}x^{4}}{3^\frac{1}{3}x}}

<u>Simplify:</u>

4x^{3}

-> To explain this party since it is a bigger jump, 3^{\frac{1}{3}}x is on the top and the bottom, so it becomes a one. We are left with a four on the top, and using properties of exponents 4 - 1 = 3, explaining why we have x^{3} leftover too.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

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3 0
3 years ago
One month, ruby worked for 6 hours more than isaac, and svetlana worked 4 times as many hours as ruby. Together they worked 126
Anastasy [175]

Ruby worked 22 hours

Isaac worked 16 hours

Svetlana worked 88 hours

4 0
3 years ago
Read 2 more answers
The total stopping distance T for a vehicle is T = 2.5x + 0.5x 2 , where T is in feet and x is the speed in miles per hour. Appr
Kobotan [32]

Answer:

%  change in stopping distance = 7.34 %

Step-by-step explanation:

The stooping distance is given by

T = 2.5 x + 0.5 x^{2}

We will approximate this distance  using the relation

f (x + dx) = f (x)+ f' (x)dx

dx = 26 - 25 = 1

T' =  2.5 + x

Therefore

f(x)+f'(x)dx = 2.5x+ 0.5x^{2} + 2.5 +x

This is the stopping distance at x = 25

Put x = 25 in above equation

2.5 × (25) + 0.5× 25^{2} + 2.5 + 25 = 402.5 ft

Stopping distance at x = 25

T(25) = 2.5 × (25) + 0.5 × 25^{2}

T(25) = 375 ft

Therefore approximate change in stopping distance = 402.5 - 375 = 27.5 ft

%  change in stopping distance = \frac{27.5}{375} × 100

%  change in stopping distance = 7.34 %

6 0
3 years ago
A green number cube and a red number cube are rolled. An outcome is the pair of numbers rolled on the two different cubes. Which
Ber [7]

Answer:

None of the above

Step-by-step explanation:

The common ratio 10 means we are starting with 4.5 and multiplying that by 10 each time:

4.5*10=45

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450*10=4500

As you can see, this does not match any of the answers

Read more on Brainly.com - brainly.com/question/14993026#readmore

4 0
3 years ago
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