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mars1129 [50]
3 years ago
15

Why and how do you do this I am having a hard time

Mathematics
1 answer:
sukhopar [10]3 years ago
3 0

Answer:

Peter walks at a rate of 13/4 miles per hour.

Step-by-step explanation:

Peter walks at a rate of 13/4 miles per hour because every hour, <em>represented by x</em>, he walks 3.25 hours or 13/4. y is the total miles he walked so if he walks two hours the y would equal 6.5 or 26/4 and the x would equal 2.

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it takes an air pump 4.0 minutes to fill a twin sized air mattress (39 by 8.75 by 75 inches). How long will it take to fill a qu
Ivahew [28]

Volume of twin sized mattress =

39* 8.75* 75 = 25593.35 cubic inch

Volume of queen sized mattress =

60* 8.75* 80 = 42000 cubic inch

To fill 25593.35 cubic inch it takes 4 minutes

To fill 1 cubic inch it will take = \frac{4}{25593.35} minutes

So to fill 42000 cubic inch it will take = \frac{4}{25593.35} * 42000

= 6.56 minutes.



7 0
4 years ago
At the movie theatre, child admission is $5.20 and adult admission is $8.40. On Wednesday, 154 tickets were sold for a total sal
tatyana61 [14]

Answer:

127

Step-by-step explanation:

1069.60 divided by 8.40 is 127, so 127 adults I guess

8 0
3 years ago
Read 2 more answers
The graph of the function, B(x), is shown below. Determine the following values for the function:
Softa [21]

Answer:

B(-1) = 1\\\\B(3) = 0\\\\B(1) =2  

Step-by-step explanation:

By definition, a relation is a function if each input value has one and only one output value.

The input values are the x-values and the output values are the y-values.

Given:

B(-1),B(3) and B(1)

We can identify that we need to find the output values of these input values:

x=-1\\x=3\\x=1

Observe in the graph attached that:

  • When x=-1,\ y=1
  • When x=3,\ y=0
  • When x=1,\ y=2  

Therefore:

B(-1) = 1\\\\B(3) = 0\\\\B(1) =2  

7 0
3 years ago
Equation please help me solve 1:4 = 3:x
Aliun [14]
The answer is X = 12 because 3 is 1x3 so 4x3 = 12
7 0
4 years ago
Elena’s dad buys another type of cell phone that also usually sells for $250. He pays 75% of the usual price. How much did he pa
Mademuasel [1]
Elena’s dad paid $187.5.
8 0
3 years ago
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