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3 years ago

The surface area S , of a right rectangular prism with length l , width w ,and height h can be found using the formula below

1 answer:

3 0

First, replace all variables with the given values.
12(9) + 9(2) + 2(12)
This should then equal 150, then the formula says to multiply this answer by 2. Doing so, should give a final answer of 300.

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How to solve 2x(x+3)=2x^2+15

Travka [436]

Answer: x = 5/2 = 2.5

Step-by-step explanation:

Given expression

2x (x + 3) = 2x² + 15

Expand parentheses and apply the distributive property

2x · x + 2x · 3 = 2x² + 15

2x² + 6x = 2x² + 15

Subtract 2x² on both sides

2x² + 6x - 2x² = 2x² + 15 - 2x²

6x = 15

Divide 6 on both sides

6x / 6 = 15 / 6

x = 15/6

$\boxed{x=\frac{5}{2} }$

Hope this helps!! :)

Please let me know if you have any questions

5 0

2 years ago

Read 2 more answers

Hailey is a high school basketball player. In a particular game, she made some three point shots and some free throws (worth one

NISA [10]

Answer: the system of equations are

3x + y = 14

y = 4x

Step-by-step explanation:

Let x represent the number of three point shots that Hailey made.

Let y represent the number of free throws(worth one point each) that Hailey made.

Hailey made some three point shots and some free throws and

scored a total of 14 points. This would be expressed as

3x + y = 14

Hailey made 4 times as many free throws as three point shots. This would be expressed as

y = 4x

8 0

3 years ago

Read 2 more answers

Find L when P= 24 and W = 6. P = 2L+ 2W (perimeter of a rectangle) L =

Anon25 [30]

Answer:

Step-by-step explanation:

24 = 2L + 2(6), multiply...

24 = 2L + 12, subtract 12 to both sides...

12 = 2L, divide 2 to both sides to isolate the varibale L

6 = L

Therefroe, L = 6

8 0

2 years ago

Broccoli cost $1.50 per pound at the store.How much money does 32 ounces of broccoli cost

balandron [24]

Hope this will help u

8 0

3 years ago

Three flavors of juice are offered at a school cafeteria The table shows the number of students who purchased each flavor during

Ilya [14]

Answer: A. 0.2

Step-by-step explanation:

Probability for any event = $\dfrac{\text{Favorable outcomes for event}}{\text{Total possible outcomes}}$

Three flavors of juice are offered at a school cafeteria.

The given table:

Orange Grape Cherry

51 30 69

Total juices = 51+30+69 =150

Now, the probability that a student who bought juice chosen at random purchased the grape flavor= $\dfrac{\text{Number of grape juices}}{\text{Total juices}}$

$=\dfrac{30}{150}=0.2$

Hence, the correct option is A.

6 0

3 years ago