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2 years ago

I need help! Quickly, please!

Mathematics

1 answer:

Triss [41]2 years ago

4 0

Answer:

Step-by-step explanation:

7 1/2 + 5 1/4 = 12 3/4. But, the problem says the water level fell. So, it's -12 3/4 ft.

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(-3y2 + 2y + 9) (7y - 2)

Dennis_Churaev [7]

Answer:

simplified is -22y^3+20y^2+59y-18

Step-by-step explanation:

8 0

3 years ago

What is the equation of the given line? Points (-5,2) and (2,-2)

Alexxx [7]

Answer:

y = - 2x

Step-by-step explanation:

3 0

2 years ago

A rectangle has a perimeter of 50 m and a side length of L.

denis-greek [22]

Answer: The other dimension can be expressed as

(50 - 2L)/2

Step-by-step explanation: First and foremost, we would let the other dimension be represented by B. Then, the perimeter of a rectangle is measured as L+L+B+B or better put;

Perimeter = 2L + 2B

Where L is the measurement of the longer side and B is the measurement of the shorter side.

In this case the perimeter of the rectangle measures 50m, and this can now be written as

50 = 2L + 2B

Subtract 2L from both sides of the equation

50 - 2L = 2L - 2L + 2B

50 -2L = 2B

Divide both sides of the equation by 2

(50 - 2L)/2 = B

8 0

2 years ago

Read 2 more answers

The equation of a line is 6y=5x-20. what is the slope?

slavikrds [6]

6y = 5x - 20
6 6
y = ⁵/₆x - 3¹/₃

The slope of the equation is ⁵/₆.

4 0

3 years ago

Read 2 more answers

Solve for the distance between (522, 1322) and (9000, -1337) to the third decimal.

SSSSS [86.1K]

A pair of coordinate always in a form (x, y)
Let (522, 1322) be (x₁, y₁) and (9000, -1337) be (x₂, y₂)

The distance between two coordinates is given by
Distance = $\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$
Distance = $\sqrt{(522-9000)^2+(1322--1337)^2}$
Distance = $\sqrt{(-8478)^2+(2659)^2}$
Distance = $\sqrt{78946765}$
Distance = 8885.200 (rounded to three decimal place)

5 0

3 years ago