2 years ago

3 4/5 + 4 2/3 + 2 13/15

Mathematics

1 answer:

kondor19780726 [428]2 years ago

3 0

Answer:

11\frac{1}{3}

11 1/3

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Find the slope of the line passing through the points(3,-9) and(2,-2) .

tino4ka555 [31]

Answer:

-7

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-2-(-9))/(2-3)

m=(-2+9)/-1

m=7/-1

m=-7

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2 years ago

Find the cost of kg of apples and the cost of an orange using simultaneous equations method:

PtichkaEL [24]

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2 years ago

The volume of a right triangular prism is 72 cubic feet. The height of the prism is 9 feet. The triangular base is an isosceles

Maslowich

Answer:

<h2>The area of the triangular base = 8 ft²</h2>

Step-by-step explanation:

The formula of a volume of a prism:

$V=A_BH$

$A_B-area\ of\ a\ base\\H-height$

We have

$V=72\ ft^3,\ H=9\ ft$

Substitute:

$72=9A_B$ <em>divide both sides by 9</em>

$8=A_B\to A_B=8\ ft^2$

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2 years ago

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Mason made a scale drawing of a rectangular herb garden. In the scale drawing, the garden was 10 inches long and 8 inches wide.

KatRina [158]

Answer:

The answer would be B. 500 ft

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2 years ago

An architect increases the radius of a circle window by 20 percent. By what percent

ale4655 [162]

Answer: 44%

Step-by-step explanation:

For a circle of radius R, the area is written as:

A = pi*R^2

Where pi = 3.14

If we increase the radius by 20%, the new radius will be:

R´ = R + 0.20*R = 1.20*R

The new area will be:

A´ = pi*(1.20*R)^2 = (1.20)^2*pi*R^2

= 1.44*pi*R^2

And pi*R^2 = A, the original area, then_

A´ = 1.44*A = A + 0.44*A

This means that the percentage in which the area increased is:

0.44*100% = 44%

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2 years ago

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