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3 years ago

Use the greatest common factor and the distributive property to write and an equivalent expression: 20g+24h

Mathematics

1 answer:

n200080 [17]3 years ago

4 0

4(5g+6h)

You xan remove four from each number, but no letters since they dont have any of the same.

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Montreal canadiens memorabilia is on sale for 40% off due to their disappointing season how much would a jersey that cost $80 be

hjlf

You mean 40% of 80?

40*100 = 0.4

0.4*80 = 32

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2 years ago

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A plane traveled from California and back. It took one hour longer on the way out than it did on the way back. The plane's avera

padilas [110]

Answer:

Option D is the correct answer.

Step-by-step explanation:

Let x be the one way distance and t be the time out.

Time taken for back = t-1

We have plane's average speed out was 300 mph and average speed on the way back was 350 mph.

That is

$\frac{x}{300}=t\texttt{ and }\frac{x}{350}=t-1$

Dividing both equations

$\frac{\frac{x}{300}}{\frac{x}{350}}=\frac{t}{t-1}\\\\350t-350=300t\\\\t=7\texttt{ hours}$

Time taken for back = t-1 = 7-1 = 6 hours.

Total time taken = 7 + 6 = 13 hours

Option D is the correct answer.

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4 years ago

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Alex needs to catch a train. The train arrives randomly some time between $1:00$ and $2:00$, waits for $10$ minutes, and then le

creativ13 [48]

The probability that the train will be there when Alex arrives is 5/18

If Alex arrives at any time after 1.20pm the chances that train will be there is 1/3.

However if alex arrives at 1.00pm exactly there is no chance the train will be arrive there.

The probability that the train will be there increase linearly to 1/3 as alex's arrival time moves from 1.00pm to 1.20pm.

By arranging the probabilities over the first 20 minutes to get a 1/6 chance the train will be there if alex arrives between 1.00pm to 1.20pm

we get the final answer by

=1/3( 1/6 + 1/3 + 1/3)

=5/18

So, the probability that the train will be there when Alex arrives is 5/18

Learn more about PROBABILITY here

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2 years ago

So teacher asked her to find 42.6÷10 to the second power how many places in what direction should sue move the decimal point to

ki77a [65]

move the decimal point 2 places to the left

42.6 / $10^{2}$ = 0.426

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3 years ago

FREE GIVE AWAY IN 5 MINUTES

Olegator [25]

Answer:

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3 years ago

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