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Finger [1]
3 years ago
9

If the width of the rectangle is three times the length and the perimeter of the rectangle is 72 ft, what are the length and wid

th of the rectangle?
Mathematics
1 answer:
goblinko [34]3 years ago
8 0
W=3L
W+W+L+L=72
Replace W with 3L: 3L+3L+L+L=72
8L=72
L=9
W=27
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If the dimensions of a pentagonal prism are quadrupled, then the surface area of the prism is multiplied by eight.
Lubov Fominskaja [6]

Answer:

false

Step-by-step explanation:

the relationship between lengths/dimensions and areas is that areas are created by multiplying 2 dimensions.

when you quadruple (×4) the dimensions, then the areas are growing with the square of the factor (×4×4 = ×16), because the factor goes twice into the multiplication : one time for every dimension involved.

so, quadrupling the dimensions would multiply the areas by 16.

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3 years ago
What is the slope of the line that represents this relationship?
galben [10]

Answer:

undefine

Step-by-step explanation:

the slope does not show rise over run it just sgow one of them therefore it is undefine

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3 years ago
Write the relation as a set of ordered pairs​
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Step-by-step explanation:

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A punch bowl is in the shape of a cylinder he height of the Punch bowl is 10 inches and the diameter of the Punch bowl is 14 inc
mixas84 [53]

Answer:

The volume required to fill the punch bowl till 1 inch from the top is 1385.44 inches³

Step-by-step explanation:

Total Height of the punch bowl = 10 inches

Diameter of the bowl = d = 14 inches

Since, radius is half of the diameter, the radius of the bowl would be = r = 7 inches.

The shape of punch bowl is given to be cylindrical and we have to find the volume of the bowl. The formula to calculate the volume of a cylinder is:

Volume=\pi r^{2} h

Here, h represents the height.

We have to find the volume to fill the bowl till 1 inch from the top. Since, the height of bowl is 10 inches, we have to fill it to 9 inches. Therefore, the value of height(h) which we will substitute in the formula will be 9. Using the values in the formula gives us:

Volume =\pi (7)^{2} \times 9\\\\ Volume =441\pi \\\\ Volume = 1385.44

This means, the volume required to fill the punch bowl till 1 inch from the top is 1385.44 inches³

4 0
3 years ago
What is the total area, in square centimeters, to be painted blue.
sweet [91]

Answer:

303.2 squared cm

Step-by-step explanation:

first find the area of the square.

A=lw or A=side squared

A=12(8)

A= 96 squared cm

then find the area of the two triangles and double each answer

A=1/2 bh

A=1/2 8(10.9)

A=43.6

43.6 times 2 = 87.2 squares cm

A=1/2 bh

A=1/2 12(10)

A=60

60 times 2 = 120 squares cm

add all answers....96+87.2+120 = 303.2 squared cm

3 0
3 years ago
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