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podryga [215]
3 years ago
5

If there was a circle and i wanted to find out the area.

Mathematics
1 answer:
iragen [17]3 years ago
6 0
The formula for the area of a circle is πr^2
r means radius.
If the radius is 5, then r = 5.
This means the equation for the area is π(5)^2
π is about equal to 3.14.
So we can replace π with 3.14.
(3.14)(5)^2
According to the order of operations, the first step to solve this is to do 5^2, which is exponents.
5^2 = 25
Next, multiply.
25 • 3.14 = 78.5
So the area of the circle with a radius of 5 is approximately 78.5 square units.
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after selling three fifth of its books, a bookstore had 880 textbooks left. how many books were in the bookstore initially
sleet_krkn [62]

Answer:

yours answer is 1760

Step-by-step explanation:

he sold 3/5 of its books , that means 2/5 is left and 2/5 is 880

so 2/5=880  


880/5 = 176

176x2=352


352x5=1760

5 0
2 years ago
Formulas and Literal Equations
miskamm [114]

Answer:

x = 23

Step-by-step explanation:

Given, \frac{x - 5}{2} = 9, solve for x.

Multiply both sides by 2

\frac{x - 5}{2} \times 2 = 9 \times 2

x - 5 = 18

Add x to both sides

x - 5 + 5 = 18 + 5

x = 23

7 0
3 years ago
The height of a building, measured in feet, is an example of:_______.
Sedaia [141]

Answer:

Option d (quantitative data) is the correct choice.

Step-by-step explanation:

  • Quantitative data seems to be a collection or kind of data which is concerned regarding quantitative information or methods. That indicates its value, as well as the condition, could be represented arithmetically.
  • All evidence that can be quantified, checked, and suitable for statistical analysis categorizes as quantitative methods.

The remaining three options do not apply to the specified scenario. Therefore the description made will serve as an example of quantitative data.

3 0
3 years ago
Convert the polar coordinates (120.2, 119°) into rectangular coordinates. Round the rectangular coordinates to the nearest hundr
Alchen [17]
The conversion is
  x = magnitude × cos(angle)
  y = magnitude × sin(angle)
or
  (x, y) = 120.2(cos(119°), sin(119°)) ≈ (-58.27, 105.13)

_____
A suitable graphing calculator handles this easily.
7 0
2 years ago
PLSSSSS HELP I HAVE BEEN STUCK ON THIS FOR THE PAST HOUR!!!!!!!!!!!!!!!!!!!!!!!!!
vladimir1956 [14]

Answer:

- 6 \sqrt{2}

Step-by-step explanation:

simplify

\sqrt{28800}

to

120 \sqrt{2}

then

-0.05 × 120 = -6

then we have our answer

-6√2

6 0
3 years ago
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