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ziro4ka [17]
2 years ago
7

A line with slope

Mathematics
1 answer:
spayn [35]2 years ago
6 0

Answer:

(0, 8/3) = y-intercept

Step-by-step explanation:

I chose to find the y-intercept since it is easy to find with the given information.

The equation for a line is y = mx + b

To find the y-intercept, we must plug in the info we have and solve for b:

4 = -1/3 (-4) + b

4 = -4/3 + b

8/3 = b

To find a point on the line, you also could have added -1 to 4 and 3 to -4 since slope means rise/run or change in y/change in x:

(y - 1) / (x + 3) = (4 - 1) / (-4 + 3) = (3, -1) (flip since it's the y and x coordinate) = (-1, 3)

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Answer:

y = 90 -5/2 x

Step-by-step explanation:

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Write the equation of a line that passes through (-1,3) (0,8)
gizmo_the_mogwai [7]

You'll be using point slope form to solve this.

As the name suggests, you'll need the slope as well as a point. To find the slope use the slope formula: \frac{y_2-y_1}{x_2-x_1}

Plug in the points.

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The slope of this line is 5.

Point slope form is y-y1 = m(x-x1), so plug in the slope and a point into this equation. I'll use (0,8).

y-(8) = 5(x-(0))

1. Write this out without parentheses.

y-8 = 5(x)

2. Multiply 5 and x.

y-8 = 5x

3. Add 8 to both sides.

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Find the<br> surface area of the<br> prism.
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Answer:

D.  972 ft^2

Step-by-step explanation:

SA = 2B + PH

where SA = total surface area of the prism,

B = area of a base

P = perimeter of the base

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PLSS HELPP DUE IN 20 MIN. I NEED SOME STEP BY STEP TOO.
Veseljchak [2.6K]

The length of GH is 15.

<h3>How to calculate the length?</h3>

GH = IG

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IG = 3x

5x - 10 = 3x

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x = 10/2 = 5

GH = 5x - 10

= 5 * 5 - 10 = 25 - 10

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<ABD = < DBC

<ABD = 10y°

<DBC = (8y + 4)°

10y° = (8y + 4)°

10y = 8y + 4

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The value of y is 2

<DBE = <DBC + <CBE

<DBC = 10y°

<CBE = <DBC = 10y°

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<DBC = <CBE = 10y° = 10*2° = 20°

<DBE = 20° + 20° = 40°

Learn more about angles on:

brainly.com/question/25716982

#SPJ1

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