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mixas84 [53]
3 years ago
7

Michelle can run 5.44 miles in 68 minutes. What is Michelle's average speed, in miles per minute ?

Mathematics
2 answers:
Phoenix [80]3 years ago
5 0
5.44 miles ... 68 minutes
x miles = ? ... 1 minute

If you would like to know how many miles can Michelle run in 1 minute, you can calculate this using the following steps:

5.44 * 1 = 68 * x
5.44 = 68 * x      /68
x = 5.44 / 68
x = 2 / 25 = 0.08 mile

Result: Michelle can run 0.08 mile in 1 minute.
In-s [12.5K]3 years ago
3 0
68x=5.44
x=5.44/68
x=0.08
Michelle runs 0.08 mile in minute
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SVEN [57.7K]

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B. 18

Step-by-step explanation:

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f(x)=\left\{\begin{array}{l}x+9,\ \ x

we can find the value of the function for all x that are very close to 9 but are less than 9 and for all values of x that are very close to 9 but are greater than 9.

1. For x

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2. For x\ge 9:

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8 0
2 years ago
The federal government requires a car manufacturer to have a minimum miles per gallon (mpg) average over the models it makes. Su
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Answer:

25 mpg

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So we need a value such as the mean become at least 25 mpg

We have to solve the equation:

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A certain oil refinery keeps intermediate products in 8 tanks. There are 15 pumps of varying capacity that can be assigned to pu
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Answer:

Step-by-step explanation:

This question is permutation problem. permutations is the number of arrangements or orderings within a constant group.

The formula for permutation is given as

nPk = n!÷(n-k)!

Where n is the number of objects, k is the is the number of objects we want to chose from.

Solution to the question

15P8 = 15!÷(15-8)!

= 15!÷7!

= 15×14×13×12×11×10×9×8×7×6×5×4×3×2×1÷7×6×5×4×3×2×1

= 259459200

4 0
3 years ago
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