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3 years ago

An airplane travels 2748 miles in 6 hours.How far would they travel in 2 hours?

2 answers:

8 0

Divide 2748 by 6 to find how much miles it travels in one hour. Then multiply that answer by 2 to find the total amount of miles traveled for 2 hours.
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ziro4ka [17]3 years ago

6 0

You can set up a proportion in order to get this answer. So if you're able to travel 2748 miles in 6 hours, then divide 2748 by 3 in order to get the distance for 2 hours. This should be equal to 916 miles in 2 hours.

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A single gram of a certain metallic substance has 0.52 g of copper and 0.25 g of zinc the remaining portion of the substance is

andrezito [222]

Ben's estimate gives 7 g of nickel; the actual amount is 8.03 g.

In 1 g of the substance, there is 0.52 g of copper and 0.25 g of zinc; this gives
0.52+0.25 = 0.77 g of the substance.

The remaining part of the substance is nickel:
1-0.77 = 0.23 g of nickel.

Using Ben's estimate, 0.2 g of nickel per gram of substance, we have
0.2(35) = 7 g of nickel in 35 g of the substance.

The actual amount is 0.23(35) = 8.03 g of nickel in 35 g of the substance.

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3 years ago

What is 85% of £30?? HELP ME ASAP

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Answer:

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3 years ago

Read 2 more answers

To convert 25 hours to minutes would you use the ratio 1/60

kodGreya [7K]

Answer:

Yes

Step-by-step explanation:

1 hour = 60 min

25 hours = 60 x 25 min

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2 years ago

The playing life of a Sunshine radio is normally distributed with mean LaTeX: \muμ = 600 hours and standard deviation LaTeX: \si

Hitman42 [59]

Answer:

The probability that a radio selected at random will last from 600 to 700 hours is 0.3413

Step-by-step explanation:

The playing life of a Sunshine radio is normally distributed

Mean = $\mu = 600 hours$

Standard deviation = $\sigma = 100 hours$

We are supposed to find the probability that a radio selected at random will last from 600 to 700 hours i.e.P(600<x<700)

Formula: $Z= \frac{x-\mu}{\sigma}$

At x = 600

$Z= \frac{600-600}{100}$

Z=0

$P(X$

At x = 700

$Z= \frac{700-600}{100}$

Z=1

$P(X$

$P(600$

Hence the probability that a radio selected at random will last from 600 to 700 hours is 0.3413

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3 years ago

HELP ASAP PLEASE!!!

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

The range is the y values of the function from the least to the greatest. To find it find the furthest point up and down. Draw a horizontal line from the point to the y-axis to identify the y value. Here the function extends from -3 to 6. So the range is $-3\leq y\leq 6$ .

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2 years ago