MATHEMATICS HIGH SCHOOL

(-2x) 4
O A. – 16x4
O B. -8x4
O C. -2xt
O D. 84
O E. 16x4

Answers

Answer 1
Answer:

Answer:

The answer should be -8x

Step-by-step explanation:

You would use distiputive property and multiple four by negitive two and you would end up getting -8x

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You have an allowance of $12.00. You buy a discount movies ticket that costs at least $3.50 and popcorn that costs $2.75. HOw much do much do you have for other spending?

Two fourth is _____________ pieces of the whole

Answers

1/2 pieces of the hole because you can simplify 2/4 by dividing it by 2 and you'll get 1/2

If one container holds 55 balls, how many balls will nine containers hold?

Answers

1 container = 55 balls
    x 9               x 9
9 containers = ? balls
                    55 x 9 = 495

The answer is 495 balls
if one container holds 55 balls then you times 55 with 9 if you want to know how many balls 9 containers hold and the answer is 495

If a plane travels 300 mph, how many miles will it travel in 18 min?

Answers

The plane travelling at a speed of 300 mph will travel 90 miles in 18 minutes.

What is unit rate?

A unit rate means a rate for one of something. We write this as a ratio with a denominator of one. For example, if you ran 70 yards in 10 seconds, you ran on average 7 yards in 1 second. Both of the ratios, 70 yards in 10 seconds and 7 yards in 1 second, are rates, but the 7 yards in 1 second is a unit rate.

Given that, a plane travels 300 mph,

That means, its unit rate is 300 mph

Therefore, in 60 minutes it will travel 300 miles

Therefore, in 1 minute it will travel = 300 / 60 = 5 miles

Thus, in 18 minutes it will travel = 5 x 18 = 90 miles

Hence, the plane travelling at a speed of 300 mph will travel 90 miles in 18 minutes.

Learn more about unit rates, click;

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Answer:

6 hours.

Step-by-step explanation:

1800/300. time =distance / rate

A square has perimeter 12x. Find an expression, in terms of x, for the area of the square. Give your answer in its simplest form.

Answers

Answer:

Step-by-step explanation:

A square has 4 sides

(12x)/(4) = 3x

Area is length times width, but we would square it in this case.

3x * 3x = (3x)^(2) = 9x^(2)

The recommended space needed for certain plant is 2 ft.² you want to plant 32 of this plants in a square garden .what is the length of each side of the garden if you follow the recommendation?

Answers

each side should be 32ft because if you do 32 times 2^2 it equals 128 and 128/4=32 so 32 per side

Kris bought a new fur coat for $8,000. She must pay 5% sales tax and 7% excise tax. The furrier is shipping the coat so kris must also pay a $15 insurance charge. What is the total purchase price of the coat?

Answers

0.05 x 8000 = 400
0.07 x 8000 = 560
8000 + 560 + 400 = 8960
8960 +15 = 8,975
Total Price = $8,975
Well, first we have to find out what 5% and 7% of 8,000 is and then add the three numbers up.
.05*8,000=400
.07*8,000=560
400+560+8,000=8960
And finally, we add that extra fee.
8960+15=$8,975
Hope it Helps!!!  :)
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