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Aneli [31]
3 years ago
13

tom run cross country. he runs 5 miles in 35 minutes. he runs 20 miles in 140 minutes if he keeps the same pace how long will it

take him to run 15 miles?
Mathematics
2 answers:
SSSSS [86.1K]3 years ago
5 0

Answer:

105 Minutes

Step-by-step explanation:

Important Info:

5 Miles = 35 Minutes

20 Miles = 140 Minutes

Question to answer:

15 Miles = [ ? ]

Explanation/Solution:

Since 35/5=7 and 140/20 = 7

So 15 x 7 = 105

Hence, the answer is 105 Minutes.

Note: Velocity = Distance/Time and Time = Distance/Velocity

OleMash [197]3 years ago
3 0

Answer:

105

Step-by-step explanation:

5 ÷ 35 = 7

140 ÷ 20 = 7

15 · 7 = 105

I hope this helps!

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Chef Rita Is cooking for a Sunday brunch.She knows that 22 pancakes can feed 8 people.She is wondering how many people she can f
AlexFokin [52]

Answer:

Chef Rita can feed 20 people with 55 pancakes.  

Step-by-step explanation:

We can solve this problem using equivalent ratios.  Since we know that Chef Rita can feed 8 people with 22 pancakes, we can set up the ratio:

\frac{22pancakes}{8people}=\frac{22}{8}

To solve how many people she would be able to feed with 55 pancakes, we can set ratios equal to each other and solve for 'x' which is the number of people.  

\frac{22}{8}=\frac{55}{x}

We can see what factor we multiply 22 by to get 55 and then we multiply the denominator by the same factor to get our equivalent ratio.  55 ÷ 22 = 2.5.  So, 8 x 2.5 = 20 people.  

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4 years ago
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Solve for x:<br> 3/ X - 4 = 6/ X+1
Lina20 [59]

Answer:

-3/5

Step-by-step exp:

given in the file. Hope it helps.

8 0
3 years ago
A right triangle is removed from a rectangle to create the shaded region shown below. Find the area of the shaded region. Be sur
Mashcka [7]
The sides of a right triangle are
a=8-5=3&#10;\\ b=6-4=2&#10;\\&#10;\\A=A_{rectangle}-A_{triangle}=8\times 6-  \frac{ab}{2} =48-\frac{3\times2}{2}=48-3=45
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Suppose the first term of a geometric sequence is 3 and the fourth term is 192. What is the common ratio of the sequence? Write
gayaneshka [121]
An=A1 r ^(n-1)
192= 3 r ^(4-1)
192 = 3 r^3
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equation:
An=3 (4)^(n-1)

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I think this is right :)
3 0
3 years ago
REAL LIFE A cylindrical hazardous waste container has a diameter of 1.5 feet and a height of 1.6 feet. Abo
aivan3 [116]

Answer:

It can hold up to 1.256ft^3 of waste

<em></em>

Step-by-step explanation:

Given

D = 1.5ft -- Diameter

h = 1.6ft -- height

Required

Determine the amount of waste it can hold

This simply means that we calculate the volume of the cylindrical container.

And this is calculated using:

Volume = \pi r^2h

Where

\pi = 3.14

and

r = \frac{D}{2}

r = \frac{1.5}{2}

r = 0.75

So, we have:

Volume = 3.14 * 0.5^2 * 1.6

Volume = 1.256ft^3

<em>Hence, it can hold up to </em>1.256ft^3<em> of waste</em>

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3 years ago
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