3 years ago

What is the slope-intercept equation of the line through the points (-7,2) (-2,1)

Mathematics

1 answer:

klasskru [66]3 years ago

6 0

The answer is -1/5. If you use slope intercept formula of (-7,2) and (-2,1) you get -1/5

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It looks so simple but all the other choices are mixing my thoughts up. please help me

Eva8 [605]

It would be C because the 40° is acute and the last degree is obtuse

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3 years ago

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A solid right pyramid has a square base with an edge length of x cm and a height of y cm. Which expression represents the volume

solniwko [45]

Answer:

Thus, volume of pyramid = $\frac{1}{3}x^2y$ cm³

Step-by-step explanation:

Given: A solid right pyramid has a square base with an edge length of x cm and a height of y cm.

We have to choose from the given options an expression for the volume of the pyramid.

Volume of pyramid = $\frac{1}{3}\times Area\ of\ base \times height$

Since base is a square with edge length x cm.

Area of square = (side)² = x²

Thus, volume of pyramid = $\frac{1}{3}x^2y$ cm³

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3 years ago

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What is the equation of the line that passes through the points 15, nine and -2, nine

olasank [31]

Answer:

y=9

Step-by-step explanation:

y=mx+c

gradient of a horizontal line is 0

y=0x+9

y=9

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3 years ago

Inequality 2x > x + 7 is equivalent to ?

Pavel [41]

Answer:

x>7

Step-by-step explanation:

We do 2 steps

2x > x + 7

that means

2x - x > x - x + 7

then

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That is the answer. Hope it useful for you!

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3 years ago

Compare the expressions. 40 -16 plus 10 ? -20 plus 18 plus 30

Harman [31]

We just need to do come computation:

$40-16+10 = 40+(-16+10) = 40+(-6) = 40-6=34$

$-20+18+30 = -2+30 = 28$

So, we have 34>28

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