Mathematics Middle School

A circle has a diameter of 10mm.
Find the circumference of the circle using 3 as the estimate of .
Find the circumference of the circle using 3.14 for .
Find the circumference of the circle using 3.14159 for .
What do you notice about the estimate used for and the circumference of the circle?

Answers

Answer 1
Th answer to the question is 20 mm hope this helps

Related Questions

PLEASE HELP ILL MARK BRAINLY IF YOU ANSWER THIS QUESTIONS RIGHT HELP ME PLEASE!!

1-Mack and Elin live at the same distance from school and walk to school every morning. The graphs show their distance from home over the same 30-minute period one morning until they arrived at school. Each interval on the graphs represents 10 minutes.

2-the graph shows the outside temperature over a 24-hour period. Which statement about the graph is true?

Answers

Answer:

Nvm, i didnt see it and mark the 1st one, 4th one, and 5th one.

For temp its the third one

Please answer show all your work or tell me the steps
choose any question to do or do all of them i dont care

2. If sales tax rate is 7% how much would you pay for an item that is $23.36

3.If the sales tax rate is 8.25% how much would you pay for an item that is $24.00

4.Original value:140 New value:98 what is the percent change

5. an item priced $30.82 is on sale for a 15% off. What is the sale price of the item

6. if the sales tax rate is 7.6%, how much will you pay on a $330 item

7. a $129 item is marked up 20% how much is the markup

8.four friends go out to eat and their meal costs $86.50. The sales tax is 6.75% and they should tip the waiter 20% how much should each person pay to the nearest cent

9.original cost: $35 new cost: $38.22
what is the percent increase

Answers

#3 is $25.98 because first you multiply 24 by 8.25% which equal 1.98 and then add 24 and 1.98 which equal $25.98

the number 629 divided by the number c equals 17

Answers

Answer:

629/c=17

629=17c

Divide both sides by 17

c=37

Answer:

c=37

Step-by-step explanation:

Area of Composite Figures

Answers

Answer:

1) 147

2) 87[tex]m^{2}[/tex]  

Step-by-step explanation:

1) Area of triangle = × base length × height

= [tex]\frac{1}{2}[/tex] × 14 × 10

= 70 [tex]m^{2}[/tex]

Area of a semicircle = [tex]\frac{\pi r^{2} }{2}[/tex] ( r is the radius)

Radius = half of diameter = [tex]\frac{14}{2}[/tex] = 7m

Area of semicircle = [tex]\frac{\pi 7^{2} }{2} = \frac{\pi49 }{2}[/tex]

= 77[tex]m^{2}[/tex] ( Nearest whole number )

Total area = 77 + 70 = 147[tex]m^{2}[/tex]

2) Divide the shape into 2 rectangles

Area of a rectangle = length × width

Rectangle 1 = 7 × ( 3+3+5 )

= 7 × 11 = 77[tex]m^{2}[/tex]

Rectangle 2 = 2 × 5

= 10[tex]m^{2}[/tex]

Total Area = 77 + 10 = 87[tex]m^{2}[/tex]

Answer:

1) 147

2) 87

Step-by-step explanation:

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