3 years ago

The area of a circle is 88 square meters. What is the radius?

1 answer:

5 0

The formula for finding the area of a circle is pi x radius squared. To solve this, you need to reverse the formula. So, your answer is 5.29 m.

I hope this helps:)

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Multiplicative inverse of a neggative<br>rational number is

lions [1.4K]

$for \: a \: rational \: number \: \frac{a}{b} \: such \: that \: 0 > a \: \: \: \: \: \: 0 < b \\ its \: multiplicative \: inverse \: is \: - \frac{b}{a}$

6 0

3 years ago

A line passes (-8,-2) and has a slope of 5/4. Write an equation in Ax + By=C

klemol [59]

Answer:

5x-4y = -32

Step-by-step explanation:

First write the equation in point slope form

y-y1 = m(x-x1)

y - -2 = 5/4 ( x- -8)

y+2 = 5/4 (x+8)

Multiply each side by 4 to clear the fraction

4( y+2 )= 4*5/4 (x+8)

4y +8 = 5(x+8)

4y+8 = 5x+40

Subtract 4y from each side

8 = 5x-4y +40

Subtract 40 from each side

-32 = 5x-4y

5x-4y = -32

6 0

3 years ago

Read 2 more answers

Polygon with three interior angles whose sum 180 degrees

mojhsa [17]

Answer:

Triangle

Step-by-step explanation:

A triangle has three vertexes, and therefore three interior angles. Those angles also sum to 180 degrees because of the formula (n-2)*180, where n is the number of sides that a polygon has. Plugging in 3, you get $1\cdot 180$ , or just 180 degrees. Hope this helps!