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3 years ago

Please help!! thank you!!!

Mathematics

2 answers:

vodomira [7]3 years ago

8 0

I believe it would be 60

Ilya [14]3 years ago

4 0

Answer:

6 times 10 times 3.

Then divide by three, I hope that helps

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David's last equation to solve is x/100+3/100=8/100. Write and solve an equivalent equation with easier numbers that would give

JulijaS [17]

$\sf\dfrac{x}{100}+\dfrac{3}{100}=\dfrac{8}{100}$

Subtract 3/100 to both sides:

$\sf\dfrac{x}{100}=\dfrac{5}{100}$

Cross multiply:

$\sf100x=500$

Divide 100 to both sides:

$\sf~x=5$

Or we could just multiply both sides of the equation by 100, to give us:

$\sf~x+3=8$

Subtract 3 to both sides:

$\sf~x=5$

3 0

4 years ago

Jon recently drove to visit his parents who live 280 miles away. On his way there his average speed was 9 miles per hour faster

Luba_88 [7]

Answer:

11 mph and 20 mph

Step-by-step explanation:

Represent his average speed going by r1 and his average speed returning by r2. We know that r1 = r2 + 9.

Recall that distance = rate times time, so time = distance / rate.

Time spent going was (280 mi) / r1, or (280 mi) / (r2 + 9 mph).

Time spend returning was (280 mi) / r2.

The total time was 14 hrs, so (280 mi) / (r2 + 9 mph) + (280 mi) / r2 = 14 hrs

Note that there is only one variable here: r2. Find r2, and then from r2, find r1:

Dividing all 3 terms by 14 hrs yields:

20 20

---------- + ----------- = 1

r2 + 9 r2

The LCD here is r2(r2 + 9). Thus, we have:

20r2 (r2 + 9)(r2)

------------------- = 1 or ------------------

(r2 + 9)(r2) (r2 + 9)(r2)

Then 20(r2) = (r2)^2 + 9(r2). This is reducible by dividing all terms by r2:

20 = r2 + 9, or 11 = r2. Then r1 = 11 + 9, or 20.

The two rates were 11 mph and 20 mph.

8 0

4 years ago

I need helpppppppppppp

kakasveta [241]

Answer:

1/4 I'm pretty sure

Step-by-step explanation:

because half of the class already went to the afternoon session and 3/4 went to see the movie

4 0

3 years ago

Read 2 more answers

A number is not an interger.What type of number can it be?

EleoNora [17]

If it is not an integer, it would have to be a decimal.

4 0

4 years ago

Natasha2012 [34]

Answer:

x= -2

Step-by-step explanation:

Rational Function can be expressed as:

$\displaystyle \large{y = \frac{a}{p(x - b)} + q}$

Where b is our horizontal shift and q is our vertical shift.

For asymptotes, there are two types which are vertical and horizontal.

Vertical Asymtote is the value of -b itself or x = -b.

Therefore, from the functio:

$\displaystyle \large{y = \frac{10}{x + 2} }$

Our vertical asymtote is x = -2

6 0

3 years ago