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2 years ago

The gray is a sidewalk and the turquoise is grass. Both are squares. What is the area of the sidewalk?

Mathematics

2 answers:

azamat2 years ago

6 0

Answer:

Step-by-step explanation:

Alona [7]2 years ago

3 0

Find the area of both first. The sidewalk is 12 * 12 = 144 ft^2, and grass is 10 * 10 = 100 ft^2. Subtract the area of the grass from the sidewalk, 144-100 = 44 ft^2.

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Brilliant_brown [7]

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2 years ago

HELP ASAP 50 POINTS

Andrei [34K]

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2 years ago

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Given the function ƒ(x) = 8(x - 4) - 18, determine the value of x such that ƒ(x) = 22. Select one: A. 3 B. 6 C. 9 D. 12

mojhsa [17]

Answer:

C. 9

Step-by-step explanation:

it's multiple choice so plug each value in

A = -26

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6 0

2 years ago

Please help me to find area of semicircle

mojhsa [17]

Answer:

Use a calculator and use the formula 1/2 × pi × (radius squared)

5 0

2 years ago

The length of a rectangle is the sum of the width and 4. The area of the rectangle is 32

Sauron [17]

Answer:

The width of rectangle w = 4 units

Step-by-step explanation:

We are given:

Width of rectangle = w

Length of rectangle = w+ 4

Area of rectangle = 32 units

We need to find width of the rectangle

The formula used is: $Area\:of\:rectangle=Length\times Width$

Putting values and finding width of rectangle

$Area\:of\:rectangle=Length\times Width\\32=(w+4)\times w\\32=w^2+4w\\w^2+4w-32=0$

We need to solve this quadratic equation to find width (w)

We will use factorisation and break the middle term.

$w^2+4w-32=0\\w^2+8w-4w-32=0\\w(w+8)-4(w+8)=0\\(w-4)(w+8)=0\\w-4=0\:or\:w+8=0\\w=4\:or\:w=-8$

Since width of rectangle can't be negative, so rejecting w=-8

Therefore, the width of rectangle w = 4 units

4 0

2 years ago