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SCORPION-xisa [38]
2 years ago
15

Use the substitution method to find the slope and y-intercept.

Mathematics
1 answer:
sergiy2304 [10]2 years ago
7 0

Answer:

when x is 0 y is 7

Step-by-step explanation:

just counting down till x is 0

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zvonat [6]

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50,000? This is my answer sorry if wrong

Step-by-step explanation:

4 0
2 years ago
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wel

Answer: a

Step-by-step explanation:

multiply each answer by 10

8 0
3 years ago
Which table represents a linear function?
GalinKa [24]

Answer:

The top right option.

Step-by-step explanation:

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3 years ago
What is the solution of 4 startroot 5 x 66 endroot = x 10? x = –10 x = 3 x = –10 or x = 3 no solution
eduard

Answer:

x=3

Step-by-step explanation:

....................

4 0
2 years ago
The length of a rectangle is 3 centimeters less than four times its width. Its area is 10 square centimeters. Find the dimension
Kay [80]

Answer:

W = 2 cm

L = 5 cm

Step-by-step explanation:

A rectangle is a four sided shape with 4 perpendicular angles. It has two pairs of parallel sides which are equal in distance: width and length. Its area, the amount of space inside it, can be found using the formula A = l*w. If the area is 10 cm² and the length is "3 cm less than 4 times the width" or 4w - 3, you can substitute and solve for w.

A = l*w

10 = (4w - 3)(w)

10 = 4w² - 3w

Subtract 10 from both sides to make the equation equal to 0. Then solve the quadratic by quadratic formula.

4w² - 3w - 10 = 0

Substitute a = 4, b = -3 and c = -10.

w = \frac{3 +/- \sqrt{(-3)^2 - 4(4)(-10)} }{2(4)} = \frac{3 +/- \sqrt{9 +160)} }{8} =  \frac{3 +/- \sqrt{169} }{8} = \frac{3+/-13}{8}

There are two possible solutions which can be found.

3 + 13 / 8 = 16/ 8 = 2

3 - 13 / 8 = -10/8 = -5/4

Since w is a side length or distance, it must be positive so w = 2 cm.

If the width is 2 cm then the length is 4(2) - 3 = 8 - 3 = 5 cm.

8 0
3 years ago
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