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3 years ago

13

You run for 3 hours at a speed no faster than 8.2 miles per hour. write and solve an inequality that represents the possible num

bers of miles you run.

1 answer:

klemol [59]3 years ago

3 0

Answer:

8.2×3=24.6 miles

Step-by-step explanation:

8.2 times 3= 24.6

You are running 8.2 miles per hour for 3 hours.

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Solve the following equation. | x + 3 | = 4

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x1= -7 , x2= 1

Step-by-step explanation:

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3 years ago

If log10x = 3, then x =

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This is what WolframAlpha says. Look at the image below.

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2 years ago

Finding the Median from a Dot Plot

MAXImum [283]

Answer:

median rainfall for highland storms = 18mm

median rainfall for lowland storms = 18mm

or

median rainfall for lowland storms = 17mm if the list of numbers is

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32

Step-by-step explanation:

The median is the middle number of a sequence of ordered numbers.

The formula for the median is:

median = (n + 1 )/ 2

where n = total number of values

Note: the number that you find with this formula is the position. SO you have to go to the sequence of numbers and find the number that lies in that position.

Highland storms:

4 6 8 10 12 14 16 18 20 22 24 26 28 30 32

The numbers are already in ascending order so we can proceed.

n = 15

∴ median = (15+1)/2

= 16/2

= 8

The median is the umber in the 8th position

so, the median rainfall for highland storms is 18mm

Lowland storms:

4 6 8 10 12 14 16 18 20 22 24 26 28 30 32

The numbers are already in ascending order so we can proceed.

n = 15

∴ median = (15+1)/2

= 16/2

= 8

The median is the number in the 8th position.

∴ median rainfall for lowland storms is = 18mm

<u>Unclear: if this is the list of numbers: </u>

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32

then the median would be:

n = 16

median = (16+1)/2

= 17/2

= 8.5

This means the median lies between the numbers in the 8th and 9th position.

∴ The median is = (16 + 18)/2

= 34/2

= 17

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3 years ago

Read 2 more answers

For the following exercises, determine whether the functions are even, odd, or neither.

stealth61 [152]

Answer:

The solutions of the equation |2 x-3|=17

are x=10

and x=-7

Step-by-step explanation:

Given equations is |2 x-3|=17.

It is required to find out the values of x satisfying the given equation.

To find it out, use the fact that the solution of this type of equation is 2x-3=17.

Or 2x-3=-17 and simplify the equations using simple mathematical operations.

Step 1 of 2

Solve the equation 2x-3=17,

Add 3 on both sides of the equation 2x-3=17,

2x-3+3=17+3

2x=20

Divide by 2 on both sides of the equation 2x=20,

$\begin{aligned}&\frac{2 x}{2}=\frac{20}{2} \\&x=10\end{aligned}$

Step 2 of 2

Solve the equation 2x-3=-17,

Add 3 on both sides of the equation 2x-3=-17,

$2 x-3+3=-17+3$\\ $2 x=-14$

Divide by 2 on both sides of the equation 2x=-14,

$\begin{aligned}&\frac{2 x}{2}=\frac{-14}{2} \\&x=-7\end{aligned}$

6 0

2 years ago