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denpristay [2]
2 years ago
8

Write a rule for each graph below.

Mathematics
1 answer:
Mariulka [41]2 years ago
7 0

Answer:

a. y = x - 2

Step-by-step explanation:

y = a.x + b

from the graph: x = 0, y = -2 --> b = -2

                          x = 2, y = 0  --> 0 = a.2 -2 --> a = 1

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The hypotenuse of a right triangle is 7 feet long. One leg is 4 feet longer than the other. Find the lengths of the legs, Round
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Answer:

Shorter leg = 2.5 ft.

Longer leg = 6.5 ft.

Step-by-step explanation:

a^2 + b^2 = c^2

Because the hypotenuse = 7 ft, a^2 + b^2 = 49

To represent the two legs, we can use x and x+4.

x^2 + (x+4)^2 = 49

Simplifying this equation using FOIL gives us 2x^2 + 8x - 33 = 0.

Then, using the quadratic formula, we find that x = 2.5.

Thus, the shorter leg is 2.5 ft. and, when 4 is added, the longer leg is 6.5 ft.

5 0
2 years ago
What is the value of the expression: 9 + 5 x (-3) – (6 – 2) ÷ 4 show and explain the work please ?
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2 years ago
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Step-by-step explanation:

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2 years ago
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(2) Mai walked 1/8 of a 30-mile walking trail. How many miles did Mai walk? Explain or show your reasoning. *​
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Step-by-step explanation:

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