The base of a right prism is a square with edge 4 . The volume is 128 . The height is ?

Answers

Answer 1

Answer: Volume = (length) x (width) x (height)

Height = (Volume) / (length x width) = 128 / (4 x 4) = 128/16 = 8 .

Answer 2

Answer: h $=128/(4^2) \n =128/16 \n =8$

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How long does it take to double a $1,000 investment that pays 6.5% annual interest, compounded monthly?Which equation can you use to solve this problem? To the nearest year, it will take about ___ years to double the original investment.

Please help! (Will give brainliest answer and hearts) Thank you and have a nice day!

Answers

Answer:

B. 7- 10 years

Step-by-step explanation:

7 is the approximate time negative choices stay on. Things like paying the bill late and bankruptcies.

Answer:

Step-by-step explanation:

this will keep them in dept the longest

A contraction crew has just finished building a road . The road is 10 kilometers long if the crew worked for 3 3/4 days how many kilometers of road did they build each day

Answers

Answer:

The crew built a 10-kilometer road in 3 3/4 days. To find out how many kilometers of road they built each day, we can divide the total length of the road by the number of days they worked.

First, we need to convert the mixed number of days to an improper fraction:

3 3/4 = (4 x 3 + 3) / 4 = 15/4

Now we can divide the length of the road by the number of days:

10 km ÷ (15/4) days = (10 km) x (4/15 days) = **2.67 km/day**

Therefore, the crew built approximately **2.67 kilometers** of road each day.

I hope this helps!

Step-by-step explanation:

Does a triangle with side lengths 5, 5 and 5root2 form a right triangle?

Answers

If it is a right triangle, then 5^2+5^2 = (5*sqrt(2))^2
25 + 25 = (5*1.414...)^2 =
50 =(7.0710678119) ^2
and 7.0710678119^2 = 50 so it is a right triangle.
To be specific, it is an isosceles right triangle.

What is the difference in simplest form? (n^2+10n+21/n^2+3n-28)-(3n/n-4)

Answers

Answer:

$(3-2n)/(n-4)$

Step-by-step explanation:

We have been given the expression

$(n^2+10n+21)/(n^2+3n-28)-(3n)/(n-4)$

Let us write the numerator and denominator of first expression in factored form using AC method.

$n^2+10n+21\n=n^2+7n+3n+21\nn(n+7)+3(n+7)\n(n+7)(n+3)$

And the factors of denominator is

$n^2+3n-28\n=n^2+7n-4n-28\nn(n+7)-4(n+7)\n(n+7)(n-4)$

Therefore, the expression becomes

$((n+7)(n+3))/((n+7)(n-4))-(3n)/(n-4)\n\n\text{Cancel the common terms}\n\n(n+3)/(n-4)-(3n)/(n-4)\n\n\text{Denominator of both rational expression is same}\n\text{hence, we can directly add the numerators}\n\n(n+3-3n)/(n-4)\n\n(3-2n)/(n-4)$

Thus, the simplified form is $(3-2n)/(n-4)$

The answer is $(-2n+3)/(n-4)$

What is the length y? Round to the nearest tenth.

Answers

Answer:

y = 5.3

Step-by-step explanation:

It is assumed XYZ is a right triangle.

y/10 = sin 32°
y = 10 sin 32°
y = 5.3

You pay $30 each month for satellite TV, plus $2.50 for every movie you purchase. Write and solve an equation to find the number of movies purchased during a month with a total bill of $45. What is it in an equation and how many movies do you purchase. Im on a timed thing so please be speedy