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Natali5045456 [20]
3 years ago
8

Arul performed an experiment to determine which crank powered radio works best. He cranked 15 randomly selected radies of each b

rand 30 times at the same speed and measured how long the radies played in minutes before running out of power the results of the experiment are displayed in the box plots below​

Mathematics
2 answers:
ololo11 [35]3 years ago
8 0
The power of tanks will dirt rags and
NeTakaya3 years ago
3 0

Answer:

50%

Step-by-step explanation:

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Solve (x - 2 < 5) ∩ (x + 7 > 6).
Scrat [10]

Answer:

-1<x<7

Step-by-step explanation:

We need to solve each inequality and then from the interval of numbers they both have in common (doing this because of the 'and').

x-2<5

Add 2 on both sides:

x<5+2

Simplify:

x<7

These are values of x that are less than 7.

x+7>6

Subtract 7 on both sides:

x>6-7

Simplify:

x>-1

These are values of x greater than -1.

So the values they have in common are the numbers in between -1 and 7.

That is x<7 and x>-1.

You can also write it as -1<x<7.

Maybe you need a graph to convince you more.

○~~~~~~~~~~~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~~~~~~~~~○

‐-------------(-1)------------------------(7)-----------------

So where you see both graphs is the solution:

○~~~~~~~~~~~~~~○

‐-------------(-1)------------------------(7)-----------------

3 0
3 years ago
Read 2 more answers
4q² - 3q² simplify (with Each step)​
andrew11 [14]

Answer:

4 {q}^{2}  - 3 {q}^{2}  \\ (4 - 3) {q}^{2} \\ 1 {q}^{2}  \\  {q}^{2}

Step-by-step explanation:

<h2>HOPE IT WILL HELP YOU✌✌✌</h2>
6 0
3 years ago
Read 2 more answers
Given f(x) = 3x – 2, find f(-5).
matrenka [14]

Step-by-step explanation:

put -5 into x

then

3*-5 is -15 (-2)

-17 is your answer

6 0
3 years ago
Read 2 more answers
What is the measure of the angle? Enter the answer in the box.<br> degrees
Vedmedyk [2.9K]

Answer:

you have to use the protractor tool

7 0
3 years ago
Really easy points!!!!!! Please solve for all three answers.
katen-ka-za [31]

Answer:

1/64, 1/256, 1/1024

Step-by-step explanation:

To get from 16 to 4 we multiply by 1/4

To get from 4 to 1 we multiply by 1/4

Each time we multiply by 1/4

The next term would be 1/16 * 1/4

1/16 * 1/4 = 1/64

The take that term 1/64 and multiply by 1/4

1/64*1/4 = 1/256

Finally take 1/256 and multiply by 1/4

1/256*1/4 =1/1024

8 0
3 years ago
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