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Ksenya-84 [330]

3 years ago

6

Help with number 13. . . . . .

1 answer:

kvasek [131]3 years ago

8 0

Answer:

6A, D

Step-by-step explanation:

So, you have A = b*h. The general formula for the area of a triangle. Then, we double the base and triple the height. We then get the expression (2b)*(3h).

Since it is multiplication, we can multiply 2 and 3 to get 6 and get 6*b*h.

Though, we know b*h is just A so we get 6A.

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2. A cube-shaped aquarium has edges that are 3 ft long. The aquarium is filled with water that has a density of 62 lb/ft^3

Ad libitum [116K]

Total mass of the filled aquarium = 3*3 * 62 = 1674 pounds
As the table can only support 200 lbs the aquarium should not be put on the table.

(b) No the deisity of the water is a constant

3 0

4 years ago

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If a aquare has a,pwrimeter of (2×-48) meters, what expression represents its area?

qaws [65]

Answer:

A = $[ \frac{x - 24}{2} ]^{2}$ m²

Step-by-step explanation:

Given that a square has a perimeter of (2x - 48),

Each side of the perimeter must be: $\frac{2x - 48}{4}$ (because a square has 4 sides)

We need to determine the side of each perimeter:

s = $\frac{2x - 48}{4}$

Factor out 2 from the numerator:

s = $\frac{2(x - 24)}{4}$

Then, cancel out 2 and 4 from the fraction, leaving 2 in the denominator:

s = $\frac{(x - 24)}{2}$ ← <em><u>This represents the side of a square</u></em>

Therefore, the area of a square is:

A = side (s)²

A = $[ \frac{x - 24}{2} ]^{2}$ m²

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3 years ago

Solve the two-step equation and identify the steps.

liraira [26]

Answer:

Answer is x= 15

Step-by-step explanation:

2= 7/4 + 1/4x

step 1: Add 7/4 on both sides

step 2: multiply both sides by 4

8 0

3 years ago

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3 thousands divided by 10

aleksandrvk [35]

3 thousands devided by 10= 3 hundreds= (300)

7 0

4 years ago

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Zoe mows lawns in the summer to earn extra money. She usually charges $15 per week, but she offers a special rate of $59.50 if a

anyanavicka [17]

Divide the amount paid by number of weeks:

59.50/5 = $11.90 per week.

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3 years ago

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