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stepladder [879]
2 years ago
12

The length of a rectangle is 8 feet longer than the width. If the perimeter is 80 feet, find the length and width of the rectang

le
Mathematics
1 answer:
Klio2033 [76]2 years ago
7 0

perimeter = 2L + 2W

 L=8+w

perimeter = 2(8+w) +2w

80 =16+2w+2w

80 = 16 +4w

64 =4w

w=64/4 = 16

 l=16+8 =24

 length = 24 feet

width = 16 feet


 check 2(24) +2(16) = 48 + 32 = 80

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Svet_ta [14]
The x-coordinate of the midpoint is the average of the x-coordinates
of the ends.
The average of the ends is  1/2(-3+0) = -1.5 .

The y-coordinate of the midpoint is the average of the y-coordinates
of the ends.
The average of the ends is  1/2(-4+2) = -1

The midpoint of the segment is  <em>(-1.5, -1)</em>.

3 0
3 years ago
The total commission, in dollars, Jessie earned on selling cars at a dealership in two weeks is given by the expression 800+400x
Minchanka [31]

Answer: B. Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car.

Step-by-step explanation:

The options include:

A. Jessie earned a total commission of $800 in the first week and x dollars in the second week.

B. Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car.

C. Jessie sold 1 car in the first week, earning $800, and x number of cars in the second week, earning a total commission of $1,200.

D. Jessie earned a commission of $800 on each car in the first week and $400 on each car in the second week, selling x number of cars each week.

The situation that could be described by this expression will be option B "Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car". This will be:

= (400 × 2) + 400(x)

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7 0
3 years ago
Three coins are in a bag. the first coin flips heads with probability 50%, the second coin flips heads with probability 60%, and
babymother [125]
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4 0
3 years ago
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GenaCL600 [577]
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8 0
3 years ago
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Find the volume of the triangular prism in the picture shown. Round your answer to the
Olenka [21]

Given:

A figure of a triangular prism.

Height of triangular base = 9\dfrac{2}{3} yd

Base of triangular base = 4 yd

Height of prism = 4 yd.

To find:

The volume of the triangular prism.

Solution:

Volume of a triangular prism is:

V=Bh              ...(i)

Where, B is the area of triangular base and h is the height of the prism.

Area of triangular base is:

B=\dfrac{1}{2}\times base\times height

B=\dfrac{1}{2}\times 4\times 9\dfrac{2}{3}

B=2\times \dfrac{29}{3}

B=\dfrac{58}{3}

Putting B=\dfrac{58}{3} and h=4 in (i), we get

V=\dfrac{58}{3}\times 4

V=\dfrac{232}{3}

V=77.33...

V\approx 77.3

The volume of the triangular prism is 77.3 cubic yards. Therefore, the correct option is 2.

4 0
2 years ago
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