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DedPeter [7]
3 years ago
13

Find the radius of a circle with the given circumference. 6V * in

Mathematics
1 answer:
GREYUIT [131]3 years ago
7 0

Answer:21v/22

Step-by-step explanation:

Circumference of a circle=2×π×radius

6v=2×22/7×r

7×6v=2×22×r

42v=44r

Radius=42v/44

Radius=21v/22

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Kiera has $20 in a savings account. The interest rate is 5%
Anuta_ua [19.1K]

Calculation:

First, converting R percent to r a decimal

r = R/100 = 5%/100 = 0.05 per year,

then, solving our equation

I = 20 × 0.05 × 2 = 2

I = $ 2.00

The simple interest accumulated

on a principal of $ 20.00

at a rate of 5% per year

for 2 years is $ 2.00.

8 0
3 years ago
Four students were discussing how to find the unit rate for a proportional relationship.Which method is valid?
jenyasd209 [6]

Answer:use a calculator

Step-by-step explanation:

6 0
3 years ago
What math concepts are important in solving the problem
Elden [556K]

Answer:

it could be a formula ex- l times w = area

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7 0
3 years ago
Find the length of side AG<br> Give your answer to 1 decimal place
Firlakuza [10]

Answer:

AC = 17.3

Step-by-step explanation:

AC = √c2 - b2

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6 0
3 years ago
The perimeter of a rectangular field is 26 yards. The length is 4 more yards than twice the width. Find the length and width of
solong [7]

The formula for perimeter is P = 2length + 2width (P = 2L + 2W)

You know that the length is 4 more yards then twice the width. In equation form this would be:

length = 4 + 2w

Plug what you know into the perimeter formula:

26 = 2(4 + 2w) + 2w

First you must distribute the 2 to the numbers inside the parentheses, which would be 4 and 2w...

26 = (2 * 4) + (2 * 2w) + 2w

26 = 8 + 4w + 2w

Now you must combine like terms. This means that first numbers with  the same variables (w) must be combined...

26 = 8 + 4w + 2w

4w + 2w = 6w

26 = 8 + 6w

Now bring 8 to the left side by subtracting 8 to both sides (what you do on one side you must do to the other). Since 8 is being added on the right side, subtraction (the opposite of addition) will cancel it out (make it zero) from the right side and bring it over to the left side.

26 - 8 = 8 - 8 + 6w

18 = 0 + 6w

18 = 6w

To isolate w divide 6 to both sides

18 / 6 = 6w / 6

w = 3

We know that the width is 3 ft

Now you must find the length. To do this plug 3 where you see w in the equation:

length = 4 + 2w

l = 4 + 2(3)

l = 4 + 6

l = 10

We know that length is 10 ft

Letter B. is the correct answer

Hope this helped!

~Just a girl in love with Shawn Mendes

4 0
3 years ago
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