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grandymaker [24]
3 years ago
5

What is the area of the figure in square centimeters?

Mathematics
2 answers:
Molodets [167]3 years ago
7 0
8 times 8 = 64 that is your area. Area is equal to length times height so multiply base times height
KonstantinChe [14]3 years ago
4 0

Answer:

105.12 squared cm.

Step-by-step explanation:

Square:

8*8 = 64

Semi Circle:

A = pi * 4^2/2

50.24/2

25.12

Triangle:

(4*8)/2 = 16

64 + 25.12 + 16 = 105.12

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3 years ago
The ratio (by volume) of salt and sugar in a certain mixture is 4 to 8. If the total volume of the solution is 300 cubic feet, w
Tatiana [17]
You will use the ratio 4:8 to create a part to part to whole ratio.

First simplify 4:8 to 1:2, then make it 1:2:3 (Salt:Sugar:Total).

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3 years ago
What is the slope of this line of best fit?
Bas_tet [7]

Answer:

The slope of the line of best fit is \frac{-6}{7}  ⇒ 2nd option

Step-by-step explanation:

The formula of the slope of a line is m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

<em>To find the slope of the best line fit choose two points their positions make the number of the points over the line equal to the number of the points below the line</em>

From the attached graph points (1 , 9) and (8 , 3) are the best choice

∵ The line passes through points (1 , 9) and (8 , 3)

∴ x_{1} = 1 and x_{2} = 8

∴ y_{1} = 9 and y_{2} = 3

- Substitute them in the formula of the slope

∴ m=\frac{3-9}{8-1}=\frac{-6}{7}

∴ The slope of the line of best fit is \frac{-6}{7}

6 0
3 years ago
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Step-by-step explanation:

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