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kompoz [17]
3 years ago
8

Please help I'm not able to solve this I have tried so many times and the answers I have gotten are all wrong. Please help!! If

all three of these questions are too much for you its ok I can just ask another person, but please don't use this questions just for points I really need help!!
A 50-centimeter piece of wire is bent into a circle. What is the diameter of the circle? What is the radius of the circle? What is the area of the circle?
Mathematics
2 answers:
goblinko [34]3 years ago
7 0

Answer:

The diameter will be given by 50 cm ÷ 3.142 = 15.9134 cm

The radius will be 15.9134 ÷2 = 7.9567 cm or about 7.96 cm

The area of a circle is given by \pi × square of radius

Area = 3.142 × 7.96×7.96 = 199.0821 square cm

iogann1982 [59]3 years ago
4 0

Answer:

the diameter would be half of the original length because it needs to be a circle so each half of the circle would equal 25 centimeters

hope dis helps <3

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Jane sells 8 times as many Volvos as Melissa. If the difference in their sales is 35, how many cars did Jane sell?
Usimov [2.4K]
Here we have 2 variables we need to calculate:
x - how many Volvos Jane sold
y - how many Volvos Melissa sold

We write system of equations:
x = 8*y
x - y = 35
------------
8y - y = 35
7y = 35
y = 5
x = 8*5 = 40

Jane sold 40 cars.
8 0
3 years ago
2, -1.3, 0.4, -1 1/12, -3.1, 1.3, -2, 4.0 least to greatest
tekilochka [14]
0.4,1.3,1.3,4.0,11.12,2
3 0
3 years ago
He gets paid £6.80 per hour<br> how many hours for 9 and half hours
Akimi4 [234]

Answer: 64.60

Step-by-step explanation:

lets do 6.80x9

= 61.20

for the half an hour, divide 6.80 by 2

it would be 3.40

61.20+3.40= 64.60

5 0
3 years ago
Read 2 more answers
The price of a gallon of gasoline increased from 2.50 a gallon to 2.75 a gallon what was the percent increase
Vera_Pavlovna [14]
The increase in price was 10%
2.5*.1=.25
2.5+.25=2.75
hope this helps
8 0
3 years ago
Be sure to show your work and solve for f: 12 = f - 13-2
ki77a [65]

Answer:

<h3>f =27</h3>

Step-by-step explanation:

12 = f - 13-2

Collect like terms and simplify

12+13+2 = f\\27 =f

Switch sides

f = 27

5 0
3 years ago
Read 2 more answers
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