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PIT_PIT [208]
3 years ago
13

What is the slope of the line through (1, -1) and (5. – 7)?

Mathematics
2 answers:
SpyIntel [72]3 years ago
8 0

Answer:

m=-2

Step-by-step explanation:

Vladimir [108]3 years ago
6 0

Answer:

-3/2

Step-by-step explanation:

Given two points, we can find the slope by

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

    = (-7 - -1)/ (5-1)

    = (-7+1)/(5-1)

    = -6/4

    = -3/2

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Answer:

240sqin

Step-by-step explanation:

if you convert 4/3ft into inches you get 16 inches so multiplty 15x16=204sqin Hope this helps! ;-)

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The length of a rectangle is twice its width. If the area of the rectangle is 5 , find its perimeter
gizmo_the_mogwai [7]

Answer:

9.48

Step-by-step explanation:

The perimeter of a rectangle is the distance around the the shape. It can be found by adding each side of the shape to find a total. In contrast, the area of a shape is the amount inside a shape. It is found using multiplication or A = l*w. Since the width is w and the length is twice its width or 2w, use these expressions in the area formula to find their amount. Then add them together to find the perimeter.

A = l*w5 = w(2w)\\5 = 2w^2\\2.5 = w^2\\1.58 = w

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4 0
2 years ago
Roberto has a sample of an unknown liquid. The label in the bottle of the sample indicates that the liquid has a mass of 117 gra
Tomtit [17]

Answer:

It is Milk

Step-by-step explanation:

The liquid in the bottle has mass given in grams and the mass of that substance is 117 grams.

The volume of the substance is 15 cubic centimeters.

Now, using the formula of density we can estimate which substance could it be.

d=\frac{m}{v}, where 'd', is the density, 'm' is the mass, and 'v' is the volume of the substance.

Plugging the value of mass and volume we get:

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Since, the density in this case matches the density of thick milk and hence,therefore, the liquid in the bottle is milk.

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3 years ago
50 points for 8 easy problems
xeze [42]

Answer:

1. 136.3/53% = 257.16981...

2. 99/231.2  = 0.4282

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6. 0.32 x 238.3 = 76.256

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Step-by-step explanation:

Good luck

6 0
3 years ago
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