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3 years ago

Can someone find the area of the sidewalk?

Mathematics

1 answer:

Artyom0805 [142]3 years ago

6 0

You need to find the area of the total rectangle, and subtract the area of the green rectangle from it. Therefore the solution is 12x10 - 8x6. This equals 72; part (C) of the question.

Therefore the solution is 72 units square; part (C).

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A room can be cleaned in 2 hours if rob and Harry work together. Ron could clean it in 3 hours. How long can harry clean it?

tresset_1 [31]

Answer:

6 hours

Step-by-step explanation:

Let the total work be X

Combined speed: X/2

Ron's speed: X/3

Harry's speed: S

X/2 = X/3 + S

S = X/2 - X/3 = (3X - 2X)/6 = X/6

Harry's speed is X/6, so he'll take 6 hours

6 0

3 years ago

Pat needs to paint an 8 ft x 36 ft rectangular wall. what is the area that she paints?

lora16 [44]

area = L x W

area = 8 x 36

area = 288 square feet

5 0

3 years ago

Identify the transformation that was applied to this boomerang.

olga_2 [115]

D. Since the dark part of the boomerang is on the different side, it had to have been rotated

4 0

3 years ago

Read 2 more answers

I NEED HELP PEOPLE LAST TIME

Hoochie [10]

29.

$f(x) = -x^2-7x-6$

As $x \to \pm \infty$ , $y \to - \infty$ .

This can be easily verified by looking at the graph (graph of a quadratic equation).

30.

The growth of a population is not linear, it's exponential.

31.

Exponential growth > polynomial, so $y = 3^x$ .

35.

$V(t) = 30\cdot (25)^{\frac{t}{20}}$

The question is asking V(t) for t = 40.

$V(40) = 30\cdot (25)^{\frac{40}{20}} \\~\\V(40) = 30\cdot 25^2 \\~\\V(40) = 30\cdot 625 \\~\\V(40) = 18750$

36.

The point of symmetry of a quadratic equation $y = ax^2+bx+c$ is at its vertice:

$V_x = \dfrac{-b}{2a}$

$V_x = \dfrac{6}{2}$

$V_x = 3$

The line is x= 3.

3 0

2 years ago

What is 1.04 to the 1/12 power

LiRa [457]

1.04 ^ 1/12 = 0.086666666
or
1.04 ^ 1/12 = 13/150

8 0

3 years ago