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2 years ago

The diameter of a circle is 4 inches. What is the area ? Give the exact answer in the simplest form.

Mathematics

2 answers:

Alona [7]2 years ago

7 0

Answer:

4π

Step-by-step explanation:

A(Circle) = πr²

r = d/2 = 4/2 = 2

A(Circle) = π(2)² = 4π

pychu [463]2 years ago

4 0

Answer:

50.27

Step-by-step explanation:

the formula the find the are of a cricle is A = pie r^2

pi · 4^2

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The diagram show a 5cm x 6cm x 7cm cuboid pls help you

kotegsom [21]

Answer:

d ≈ 10.5

Step-by-step explanation:

The formula for the diagonal of a retangular prism (cuboid) is

$d=\sqrt{l^2+w^2+h^2}$

1.) Plug in all the values for l, w, and h

$d=\sqrt{5^2+6^2+7^2}$

2.) simplify by squaring the terms inside the square root

5 * 5 = 25

6 * 6 = 36

7 * 7 = 49

$d=\sqrt{25+36+49}$

3.) Add the terms

$d=\sqrt{110}$

4.) Simplify

$d = 10.488$

5.) Round to one decimal place

d ≈ 10.5

5 0

2 years ago

Divide 25 by 8 write the quotient with a fraction

ehidna [41]

3 1/8 or 3.125 or 25/8

5 0

3 years ago

If a yarn is 4/5 long and the other yarn is 2/4 long. What is the equilivent fraction.Also try you best.

Kipish [7]

36/20 or simplified and as a mixed number would be:
1 and16/20

6 0

3 years ago

See the image attached for all information needed.

avanturin [10]

Answer:

12.54 square miles

Step-by-step explanation:

Area of Parallelogram = Base x Height

In this case, Base = 3.3 mi and Height = 3.8 mi

Hence,

Area = 3.3 x 3.8 = 12.54 square miles

6 0

2 years ago

Read 2 more answers

The graph of a line passes through the points (0, -2) and (6.0). What is

9966 [12]

Answer:

$y=\frac{1}{3}x-2$

Step-by-step explanation:

The equation of a line is given in the form $y=mx+b$

Where

m is the slope with formula $m=\frac{y_2-y_1}{x_2-x_1}$

and

b is the y-intercept [y axis cutting point of line]

Given the two points (0, -2) and (6,0),

x_1 = 0

y_1 = -2

x_2 = 6

y_2 = 0

Now, we find m using formula:

$m=\frac{0+2}{6-0}=\frac{1}{3}$

Now we have

$y=\frac{1}{3}x+b$

Finding b, we plug in any (x,y) point. Lets put (6,0) and find b:

$y=\frac{1}{3}x+b\\0=\frac{1}{3}(6)+b\\0=2+b\\b=-2$

Thus,

equation of line = $y=\frac{1}{3}x-2$

5 0

3 years ago