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LiRa [457]
2 years ago
5

The diameter of a circle is 4 yards.

Mathematics
1 answer:
krok68 [10]2 years ago
4 0

Answer:

12.56 yards

Step-by-step explanation:

circumference = π x diameter

4 x 3.14 = 12.56

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Steven paid $3.50 for bowling shoes and then $1.50 per game after that. Write an equation that models this.
Korvikt [17]

Answer:

T = 3.50 + 1.50G

Step-by-step explanation:

G = number of games

T = total cost

total cost = cost of shoes + cost per game

T = 3.50 + 1.50G

I'm not 100% positive, but it's my best guess.

3 0
3 years ago
Seven times a number is equal to 9 more than 4 times the number. find the number
Yanka [14]
Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3

the number is 3
5 0
3 years ago
You are planning to invest $5000 in an account earning 9% per year for retirement. a. If you put the $5000 in an account at age
ICE Princess25 [194]

Answer:

A).Amount = $218250

B). Amount = $88700

Step-by-step explanation:

A) .$5000 in an account at age 23, and withdraw it 42 years

Number of years t= 42 years

Principal P = $5000

Rate r= 9%

Number of times compounded n= 42

A= p(1+r/n)^(nt)

A= 5000(1+0.09/42)^(42*42)

A= 5000(1+0.002143)^(1764)

A= 5000(1.002143)^1764

A= 5000(43.65)

A= 218250

Amount = $218250

B).waits 10 years before making the deposit, so that it stays in the account for only 32 years

Number of years t= 32 years

Principal P = $5000

Rate r= 9%

Number of times compounded n= 32

A= p(1+r/n)^(nt)

A= 5000(1+0.09/32)^(32*32)

A= A= 5000(1+0.0028125)^(1024)

A= 5000(1.0028125)^1024

A= 5000(17.74)

A= 88700

Amount = $88700

5 0
2 years ago
What is the slope of the line that contains the points (4,-1) and (-1,4)
Anna11 [10]

Answer:

the slope is -1

Step-by-step explanation:

To find the slope, we use the formula

m = (y2-y1)/ (x2-x1)

   = (4--1)/ (-1-4)

   = (4+1)/(-5)

  = 5/-5

  = -1

3 0
2 years ago
The difference between 4x and 2x is 70. Find the 2x​
VashaNatasha [74]

Answer:

2x = 70

Step-by-step explanation:

4x - 2x = 70

2x = 70

x = 70/2

x = 35

4 0
2 years ago
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