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vova2212 [387]
3 years ago
15

Which equation represents the line that contains the point ( 7 , − 1 ) ( 7 , − 1 ) and is parallel to the line represented by 3

x + y = 4
Mathematics
1 answer:
krek1111 [17]3 years ago
4 0

Answer:

Step-by-step explanation:

3x+y = 5

slope of line is -3

slope of any parallel to the line is also -3

point-slope equation for line of slope -3 that passes through (7,-1):

y+1 = -3(x-7)

You haven't provided the choices, but one of them is equivalent to the point-slope equation.

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Ted knows the actual distance between two cities is 150 miles. His map shows a distance of 2 inches between these cities. What i
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Answer:

The scale used on his map is <u>150 miles : 2 inches</u>.

Step-by-step explanation:

Given:

Ted knows the actual distance between two cities is 150 miles. His map shows a distance of 2 inches between these cities.

Now, to find the scale Ted used on his map.

The actual distance Ted know between two cities = 150 miles.

The distance on map between these cities = 2 inches.

So, to get the scale used on his map:

\frac{The\ actual\ distance\ Ted\ know\ between\ two\ cities}{The\ distance\ on\ map\ between\ these\ cities}

=\frac{150\ miles}{2\ inches}

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Therefore, the scale used on his map is 150 miles : 2 inches.

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A pipe is 36 feet long. It needs to be cut into pieces that are each 3/4 feet long. How many pieces can be made from the pipe?
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What is the surface area of the figure?
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Answer:

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Step-by-step explanation:

To find the surface area of it count the number of faces at first

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∴ The total surface area = 120 + 72 + 48 + 342 = 582 ft²

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