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maw [93]
3 years ago
7

Write fifteen cubed in exponential notation,expanded form,and standard form.

Mathematics
1 answer:
Anna11 [10]3 years ago
4 0
exponential\ notation:\ 15^3\\expanded\ form:\ 15\times15\times15\\standard\ form:\ 3375
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Find the circumference and the area of a circle with diameter equal to 8.6 inches. Use 3.14 for pi
mariarad [96]

Answer: Circumference of circle = 27.004 inches

              Area of circle = 58.0586 inches²

Step-by-step explanation:

Diameter of circle = 8.6 inches

Pi (\pi) = 3.14

Circumference of circle (With diameter) = \pi \\d (\pi×diameter)

                                                                = 3.14 × 8.6

                                                                = 27.004 inches

Area of circle (With diameter) = \pid^{2}/4

                                                 = 3.14 × 8.6 × 8.6 / 4

                                                 = 3.14 × 73.96 / 4

                                                 = 58.0586 inches²

5 0
3 years ago
Matt measures a subway token and calculates that it has an area of 254.34 square millimeters. What is the token's circumference?
aivan3 [116]

Answer:

The token's circumference is 56.52\ mm

Step-by-step explanation:

step 1

Find the token's radius  

The area of the circle is equal to

A=\pi r^{2}

we have

A=254.34\ mm^{2}

so

254.34=(3.14)r^{2}

r^{2}=254.34/(3.14)

r^{2}=81

r=9\ mm

step 2

Find the token's circumference  

The circumference of the circle is equal to

C=2\pi r

we have

r=9\ mm

substitute

C=2(3.14)(9)=56.52\ mm

7 0
3 years ago
PLEASE HELP!!!! It’s urgent
katrin [286]

Answer:

(-1,4)

Step-by-step explanation:

The interval in which the function is decreasing is (-1, 4)

8 0
2 years ago
Read 2 more answers
Solve the equation f=1.8(22) 32
Lana71 [14]
F=71.6
............................................
6 0
3 years ago
Will give brainliest for right answer
atroni [7]

Answer:

radius-5mm

diameter-10mm

circumference- 31.42mm

5 0
3 years ago
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