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katovenus [111]
3 years ago
14

What is the equation of the line that passes through (-1,-4) and (9,-5) ?

Mathematics
1 answer:
amid [387]3 years ago
4 0

Answer:

y=-1/10 x - 41/10

Step-by-step explanation:

slope: y2-y1 / x2-x1 = -5-(-4) /  9-(-1) = -1/10

y= -1/10 x +b, substitute (-1,-4) to solve b

-4=-1/10 (-1) +b

b=-41/10

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Write the slope-intercept from of the equation of the line described. Through (-2, -1) perpendicular to y = 1/4x
Feliz [49]

Step-by-step explanation:

Slope Intercept Form is "y = mx + b"

What it means?

"m" - slope

"b" - y intercept (0,b)

So, we are given the slope, but not the y intercept..

For now, lets fill in the slope.

y = 1/4x +  b

We are given a coordinate pair (-2,-1)

Fill it into the equation and solve for b.

-1 = 0.25(-2) + b

-1 = -0.50 + b

- 0.50 = b

We now have the value of "B"

Fill in the rest of the equation:

y = 1/4x + -.50

^ I think that is correct, sorry if it's wrong.

5 0
3 years ago
4 + <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B7%7D" id="TexFormula1" title="\frac{x}{7}" alt="\frac{x}{7}" align="absmi
DedPeter [7]
Then 2 is ur answer lol .
8 0
3 years ago
A recipe for chocolate chip cookies with toffee bits and walnuts serves 8 people and needs 3 cups of flour. If Zachary wants to
tia_tia [17]

Answer:

Im pretty sure it's 5.25 cups of flour

Step-by-step explanation:

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For the equation

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The cross product is

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Solving for x

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and reducing

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5 0
3 years ago
Which equation has a value less than 2,175?
erik [133]
The correct answer is d- one half x 2,175

Explanation: one half is 0.5 and 0.5 x 2,175 = 1087.5
6 0
3 years ago
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denpristay [2]

Answer:

Fraction, decimal, whole number

Step-by-step explanation:

if it has a line, it's a fraction. If it has a dot, it's a decimal. If it has none of the above, it's a whole number

6 0
3 years ago
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