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blondinia [14]
3 years ago
13

What is the area and the circumference of a circle with a diameter of 8 m.

Mathematics
1 answer:
Elenna [48]3 years ago
8 0

Answer:

50.27m

2 π r

Step-by-step explanation:

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Answer needed -3x + 9 = 18
Aloiza [94]

Answer:

X=-3

Step-by-step explanation:

Is that what you need?

8 0
3 years ago
Kelko will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $57 and cost an add
Delicious77 [7]

Questions (contd)

(a) For what amount of driving do the two plans cost the same?

(b) What is the cost when the two plans cost the same?

Answer:

(a) 100 miles

(b) $65

Step-by-step explanation:

Given

Plan 1:

Initial\ Fee = \$57

Additional = \$0.08 per mile

Plan 2:

Initial\ Fee = \$50

Additional = \$0.10 per mile

Solving (a): Number of miles when both plans are equal

Represent the distance with x and the cost with y

So:

Plan 1:

y = 57 + 0.08 * x

Plan 2:

y = 50 + 0.10 * x

To solve (a), we equate both plans together; i.e.

y = y

57 + 0.08x = 50 + 0.10x

Collect Like Terms

0.08x - 0.10x= 50 - 57

-0.02x= -2

Solve for x

x = -2/-0.02

x = 100

Hence, 100 mile would cost both plans the same

Solving (b): Cost when both plans are the same:

In this case, we simply substitute 100 for x in any of the y equation.

y = 57 + 0.08 * x

y = 57 + 0.08 * 100

y = 57 + 8

y = 65

<em>Hence, the amount is $65</em>

7 0
2 years ago
Need help solving for X
Stels [109]
I hope this helps you



x=108/6


x=18

4 0
3 years ago
Round your answer to the nearest hundreth​
Juliette [100K]

Answer:

<em>201.06 sq. ft.</em>

Step-by-step explanation:

Area of a circle is found by using the equation:

A = \pi r^{2}

Radius = 1/2 (diameter) = 1/2 (16) = 8

So plug in:

A = \pi (8)^{2}

A = 64\pi

A = 201.06193

Rounded A= 201. 06

5 0
2 years ago
The table below displays the number of games in each
miss Akunina [59]

Answer:

  • median is 4 mode is 6 mean is 4.111

Step-by-step explanation:

mode is most appearing median is number in the middle mean is the average of the set of data

5 0
2 years ago
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