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3 years ago

8 cm What is the area, in square centimeters, of the circle?

Mathematics

1 answer:

Kobotan [32]3 years ago

6 0

Answer:

50.265

Step-by-step explanation:

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Please help me on this one

NikAS [45]

Answer:

55.4 in³

Step-by-step explanation:

The formula for the volume of a pyramid can be found:

V = $\frac{1}{3}Bh$ , where B = area of the base and h = height of the pyramid

Since the base is a triangle, we need to use the formula for the area of a triangle:

A = $\frac{1}{2}bh$ = $\frac{1}{2}(5.7)(6.2)=17.67in^{2}$

Next, multiply the area of the base by the height of the pyramid:

17.67 x 9.4 = 166.098 ÷ 3 ≈ 55.4 in³

3 0

3 years ago

Find the distance between (3, -3) and (2, 7). Round to the nearest hundredth if necessary. * 10 points

Svetllana [295]

Answer: 10

Step-by-step explanation:

7 0

3 years ago

What are the first five multiples of 3

SIZIF [17.4K]

The first 5 multiples of 3 are 3, 6, 9, 12, and 15.

3 0

3 years ago

Two investments totaling $21,000 produce an annual income of $870. One investment yields 4% per year, while the other yields 10%

Citrus2011 [14]

Answer:

The amount invested at 4% is $20,500 and the amount invested at 10% is $500

Step-by-step explanation:

Let

x -----> the amount invested at 4%

(21,000 -x) ----> the amount invested at 10%

we know that

The interest of the amount invested at 4% plus the interest of the amount invested at 10% must be equal to $870

$4\%=4/100=0.04$

$10\%=10/100=0.10$

$0.04(x)+0.10(21,000-x)=870$

Solve for x

$0.04x+2,100-0.10x=870$

$0.10x-0.04x=2,100-870$

$0.06x=1,230$

$x=\$20,500$

$21,000-x=\$500$

therefore

The amount invested at 4% is $20,500 and the amount invested at 10% is $500

7 0

3 years ago

Half note as a decimal?

GrogVix [38]

0.5 or .5 (remember, half a whole note is a half note)

3 0

3 years ago

8 cm What is the area, in square centimeters, of the circle?​

8 cm What is the area, in square centimeters, of the circle?