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3 years ago

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1 answer:

Nutka1998 [239]3 years ago

7 0

The answer to your problem is x=26

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A circular swimming pool measures 79 feet around. What is the diameter?

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Answer:

39 ft 6 inches

Step-by-step explanation:

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3 years ago

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Jade and Eros practice piano over the weekend.

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50 minutes - 20 minutes = 30 minutes. Eros practiced for 30 more minutes than Jade.

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4 years ago

Find an explicit rule for the nth term of the sequence. 7, 21, 63, 189, ...

SpyIntel [72]

Answer:

$7 \times {3}^{n - 1}$

Step-by-step explanation:

using form:

$a \times {r}^{n - 1}$

where a: starting number

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3 years ago

What is 12229 divided by 175? Please help.

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3 years ago

Determine the area of this shape. Express your answer in terms of pi.

mrs_skeptik [129]

The area of the composite shape is $21\pi\text{ sq. units}$

The shape is made up of four semi-circular regions. (see image attached to the solution). The area can be computed as follows:

$Area=(A-C)+(B-D)$

where each letter represents the areas of the associated semi-circles.

The area of a semi-circle is given by

$Area_s=\dfrac{\pi r^2}{2}$

For region $A$ , $r=6units$

$A=\dfrac{\pi\times6^2}{2}\\\\=18\pi \text{ sq.units}$

For region $B$ , $r=4units$

$B=\dfrac{\pi\times4^2}{2}\\\\=8\pi \text{ sq.units}$

For region $C$ , $r=3units$

$C=\dfrac{\pi\times3^2}{2}\\\\=4.5\pi \text{ sq.units}$

For region $D$ , $r=1units$

$D=\dfrac{\pi\times1^2}{2}\\\\=0.5\pi \text{ sq.units}$

So, the area of the shape is

$Area=(A-C)+(B-D)\\\\=[(18-4.5)+(8-0.5)]\pi\\\\=21\pi\text{ sq.units}$

Learn more about how to compute the area of composite shapes: brainly.com/question/316492

6 0

2 years ago