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3 years ago

Hi guys I need help in these two or one I will post one by one please help me in these pleaseeeee.Im so confuseddddd

Mathematics

2 answers:

muminat3 years ago

8 0

The slope is actually 7/5.

Alchen [17]3 years ago

6 0

The slope is 3/2 (use rise over run)

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Jon ran around a track that was 1\8 of a mile long.He ran around the track 24 times.How many miles did Jon run?

balandron [24]

Answer:

3 miles

Step-by-step explanation:

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4 years ago

What is the value of [(2/3)^0]^-3

o-na [289]

Answer:

Step-by-step explanation:

Easy because whenever the exponent is 0 the answer must always be 1 then the exponent on the outside it would still be 1.

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3 years ago

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lana66690 [7]

Answer:

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3 years ago

An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 130lb and 1

Vlad [161]

Answer: 0.4758

Step-by-step explanation:

Given : Mean : $\mu=137\text{ lb}$

Standard deviation : $\sigma =28.9\text{ lb}$

Also, the new population of pilots has normally distributed .

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x=130 lb .

$z=\dfrac{130-137}{28.9}=-0.2422145\approx-0.24$

For x=171lb.

$z=\dfrac{171-137}{28.9}=1.1764705\approx1.18$

The p-value = $P(-0.24$

$=0.8809999-0.4051651=0.4758348\approx0.4758348\approx0.4758$

Hence, the required probability : 0.4758

6 0

3 years ago

At jim's juice factory, his machine can fill 300 juice boxes an hour. Each box holds 0.8 cups How many gallons of juice does jim

anygoal [31]

300 boxes
0.8 cup per box

300 * 0.8 cups = 240 cups

There are 16 cups in a gallon.

240/16 gal = 15 gal

Answer: 15

5 0

3 years ago

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