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Lorico [155]
3 years ago
7

Zack wanted to build a fenced in area for a dog kennel in his backyard. The fenced in space has a length of 5 1/4 feet and a wid

th of 3 1/2 feet. How much total length of fence will Zack need to go around his backyard?
Mathematics
1 answer:
Radda [10]3 years ago
4 0

Answer:

Zack will need 17 1/2 ft of fence

Step-by-step explanation:

To calculate this we will first pass the numbers to complete fractions

5 1/4 ft = 21/4 ft

3 1/2 ft = 7/2 ft

We have to add 2 times each side

21/4 ft + 21/4 ft  + 7/2 ft + 7/2 ft =

Now we have to pass all the fractions to the same denominator

21/4 ft + 21/4 ft  + 14/4 ft + 14/4 ft  =

70/4 = 17 1/2

Zack will need 17 1/2 ft of fence

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3 years ago
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Amy can drive 22.8 miles on one gallon of gas. <br><br> How far can Amy drive on 5.3 gallons of gas?
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5.3 x 22.8 = 120.84 miles
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3 years ago
Find rhe volume of a cylinder with a diameter of 10 inches and a height of 20 inches
IrinaK [193]
Since the diameter of the cylinder is 10, its radius is half that, or 5, thus

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3 years ago
if the diameter of the concentric circles as shown in the given figure are in the ratio 1:2:3 then find the ratio of the areas o
Monica [59]

Answer:

1 : 4 : 9

Step-by-step explanation:

Given the ratio of diameters = a : b , then

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5 0
3 years ago
Read 2 more answers
Is RS perpendicular to DF? Select Yes or No for each statement. R (6, −2), S (−1, 8), D (−1, 11), and F (11 ,4) R (1, 3), S (4,7
guajiro [1.7K]

I'll do the first one to get you started.  

Find the slope of the line between R (6,-2) and S (-1,8) to get

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

m = (8-(-2))/(-1-6)

m = (8+2)/(-1-6)

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The slope of line RS is -10/7

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From here, we multiply the two slope values

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(slope of RS)*(slope of DF) = 10/12

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Because the result is not -1, this means we do not have perpendicular lines here. Any pair of perpendicular lines always has their slopes multiply to -1. This is assuming neither line is vertical.

I'll let you do the two other ones. Let me know what you get so I can check your work.

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3 years ago
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