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marishachu [46]
1 year ago
8

PLEASE HELP!!!!!! i will give brainiest!

Mathematics
1 answer:
mamaluj [8]1 year ago
5 0

Answer:

\sf B) \ y=-\dfrac{1}{5}x-4

Explanation:

Equation: y = mx + b      [where "m" is slope, "b" is y-intercept]

The y-intercept (b) is -4

\sf slope: \dfrac{y_2 - y_1}{x_2- x_1} \ \  where \ (x_1 , \ y_1), ( x_2 , \ y_2) \ are \ points

Here take two points: (0, -4), (5, -5)

\sf slope \ (m) : \dfrac{-5-(-4)}{5-0}  =  -\dfrac{1}{5}

\sf Hence   \ equation :  y = -\dfrac{1}{5} x -4

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The length of a rectangle is five times its width.
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Answer:

72

Step-by-step explanation:

l = 5w

A = l*w

180 = 5w *w

180 = 5w^2

Divide each side by 5

180/5 = 5w^2 /5

36 = w^2

Taking the square root of each side

sqrt(36) = sqrt(w)^2

6 =w

l = 5w = 5*6 = 30

The perimeter is

P = 2(l+w)

P = 2(6+30) = 2(36) = 72

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3 years ago
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The speed of the car per minute is 3,520 feet (choice c). This is because in order to solve the problem, you have to convert 40 mi/h into feet. Since there are 5,280 feet per mile, you have to do 5,280 x 40, which is 211,200, which is the number of feet per hour. But, the question is asking for ft/min. There are 60 minutes in an hour, so you divide 211,200 by 60, which is 3,520. So, the speed of the car per minute is 3,520 feet.
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2 years ago
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The cost C of manning household is partly constant and partly varies as the number of people, the cost is 70,000 and for 10 peop
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When viewed from the front, the rope used to tie down a tent forms a pair of supplementary angles with the ground. Find $m\angle
pentagon [3]

Answer:

<ABC = 49°

Step-by-step explanation:

The sum of two supplementary angle is 180. From the diagram, the two angles are 3x+4 and 8x+11. IF this two angles are supplementary then;

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