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Reil [10]
3 years ago
14

Write a linear equation from the ordered pair (-2,8)

Mathematics
1 answer:
OlgaM077 [116]3 years ago
4 0
The equation of a line that goes through the point (x1,y1) and has a slope of m is
y-y1=m(x-x1)

so, given the point (-2,8)
x1=-2
y1=8

y-8=m(x-(-2))
y-8=m(x+2)
the equation is y-8=m(x+2) where m is the slope
or you could rewrite it to get y=mx+2m+8

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It’s 00.9

Step-by-step explanation: I just took the test I know

3 0
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Find the total number of unit cube that fill the entire prism
Nonamiya [84]

Answer:

72 cubes

Step-by-step explanation:

Attached is the picture drawn (though not great one), showing 6 cube on length of prism, 3 cubes on width and 4 cubes on height of prism.

Given: Length of prism= 6

           Width= 3

            Height= 4

To know the number of cubes, which can fill the entire prism, we need to find volume of prism.

∴ Volume of prism= length\times width\times height

Volume of prism= 6\times 3\times 4= 72

∴ 72 units of cube can fill the entire prism.

3 0
3 years ago
Which of the following are irrational numbers?<br><br> 3.14<br> √ 5<br> 0.3333<br> √ -4<br> 1/9
Galina-37 [17]

Answer:

√ -4

Step-by-step explanation:

all square roots of negative numbers are irrational

6 0
3 years ago
The scale on a map is 2 centimeters= 50 kilometres.Two rivers on a map are located 9.3 centimeters apart.What is The actual dist
Yuki888 [10]

Answer:

The actual distance between the two rivers is <u>232.5 kilometers</u>.

Step-by-step explanation:

GIven:

The scale on a map is 2 centimeters= 50 kilometres.Two rivers on a map are located 9.3 centimeters apart.

Now, to find the actual distance between the two rivers.

Let the actual distance between the two rivers is x.

The two rivers on the map is located apart of 9.3 centimeters.

According to the scale on the map is 2 centimeters = 50 kilometers.

<em>So, 2 centimeters is equivalent to 50 kilometers.</em>

<em>Thus, 9.3 centimeters is equivalent to </em>x.<em />

Now, to solve by using cross multiplication method:

\frac{2}{50} =\frac{9.3}{x}

<em>By cross multiplying we get:</em>

<em />2x=465<em />

<em>Dividing both sides by 2 we get:</em>

x=232.5\ kilometers.

Therefore, the actual distance between the two rivers is 232.5 kilometers.

6 0
3 years ago
A truck is carrying grapefruit juice, pineapple juice, and tomato juice bottles in a ratio of 3 : 1 : 2. If there are 14 pineapp
LiRa [457]

Answer:

84 juice bottles

Step-by-step explanation:

Given the ratio of grapefruit juice, pineapple juice, and tomato juice bottles as

3:1:2

Let the total number of bottles available be R

If there are 14 pineapple juice bottles, then

1/(3 + 1 + 2) * R = 14

1/6 * R = 14

multiply both sides by 6

R = 14 * 6

= 84

This means there are 84 bottles in all

6 0
3 years ago
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