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LekaFEV [45]
3 years ago
8

Please help! Thank you!

Mathematics
2 answers:
Alex3 years ago
6 0

Answer:

the formula to find circumference of a circle is pi times d

3.14x4= 12.56

The circumference is 12.56

Step-by-step explanation:

mariarad [96]3 years ago
6 0

Answer:12.56

Step-by-step explanation:

C= pi x d

3.14x4=12.56

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When you buy an item on which sales tax is charged,the total cost is calculated by the formula T=P+s/100p where T is the total c
Gennadij [26K]

Given:

The formula for total cost is

T=p+\dfrac{s}{100}p

where, p is the price of item and s is the sales tax rate (as a percent).

You pay $14.77 for an item priced at $14.

To find:

The the tax rate.

Solution:

You pay $14.77 for an item priced at $14. So,

Total cost (T) = $14.77

Price of item (p) = $14

Putting T=14.77 and p=14 in given formula, we get

14.77=14+\dfrac{s}{100}(14)

14.77-14=\dfrac{s}{100}(14)

0.77=\dfrac{s}{100}(14)

Multiply both sides by 100.

77=14s

Divide both sides by 14.

\dfrac{77}{14}=s

5.5=s

Therefore, the tax rate is 5.5%.

7 0
3 years ago
No one is helping me :( Can someone please give me a hand? :(
Rasek [7]
B, look at picture for explanation

Please let me know if this helped or rate this the brainlist! Thanks

5 0
3 years ago
Find the area of a circle with diameter 18 yd.
larisa [96]

Answer:

  • Area of the circle is 254.34 yd²

Step-by-step explanation:

Given:

  • Diameter of circle = 18 yd
  • π = 3.14

To Find:

  • Area of circle.

Solution:

  • Diameter = 18 yd
  • Radius = 18/2 = 9 yd

We know that,

\: \: \:  \:  \dashrightarrow \:  \:  \:  \:  \: {\underline{\boxed{\sf{Area \:  of  \: circle = \pi r^2}}}} \\ \\

Substituting the required values,

\\

\: \: \:  \:  \dashrightarrow \:  \:  \:  \:  \: \sf Area_{(circle)} = 3.14 \times  {(9)}^{2}  \\ \\

\:  \:  \:  \:  \dashrightarrow \:  \:  \:  \:  \: \sf  Area_{(circle)} = 3.14 \times 81 \\  \\

\: \: \:  \:  \dashrightarrow { \:  \:  \:  \:  \: \sf Area_{(circle)} = 254.34 \:  {yd}^{2}}  \\  \\

<u>Hence,</u>

  • <u>Area of the circle is 254.34 yd²</u>
6 0
2 years ago
Read 2 more answers
Thank you i would really appreciate it
mestny [16]

Answer:

The volume is 29 2/3 ft

Step-by-step explanation:

I added them together and got this answer. Please don't delete my answer, I am just trying to help.

5 0
2 years ago
What's the volume of 27O
frozen [14]
270,000 i’m not sure tho, you might need to be a lil more precise
8 0
3 years ago
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