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Sphinxa [80]
3 years ago
9

Can someone please help me on this question

Mathematics
1 answer:
klemol [59]3 years ago
6 0
C = 31.4 (10pi)


The radius is half of the diameter
To find the circumference multiply the diameter by pi (3.14 )
The radius is 5 so the diameter is 10
3.14•10=31.4
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Please help 30 points!!!
just olya [345]

Answer:

Question 1: B = 0

Question 2: 23/2 or 11-1/2

Question 3: 663/6 or 110-3/6

Step-by-step explanation:

Question 1:

(-5²)+(9+4²)=5B

-25+9+16=5B

5B=-0

B=0/5=0

Question 2:

2-7/8×2-6/9×1-1/2

=23/8×24/9×3/2

=23/2

=11-1/2

Question3:

3-1/4×6-2/3×5-1/10

=13/4×20/3×51/10

=663/6

=110-3/6

7 0
3 years ago
Colleen took out a 30 year loan for $145,000 at and apr of 4.5% compounded monthly. Approximately what would the be total cost o
Marrrta [24]

Answer:

total cost of her loan be if she paid it off 8 years early $389,507.11

Step-by-step explanation:

The formula for annual compound interest, including principal sum P, rate of interest r, number of years t, and  the number of times that interest  is compounded per year is n:

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

calculate total cost after 22 years

P = $145,000

r = 4.5 %

t = 22 years

n = 12

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

A =  145,000(1 + 4.5/12)^ (22x12)

A = $389,507.11


4 0
3 years ago
Read 2 more answers
Given area of a rectangle: 7x^2+57x+8 <br> Find Perimeter:
Sever21 [200]

Answer:

Perimeter of the rectangle is 16x+18 units.

Step-by-step explanation:

The area of rectangle is

7x^2+57x+8

First we have to find the factor form of above expression.

Splitting the middle term, we get

7x^2+56x+x+8

7x(x+8)+1(x+8)

(x+8)(7x+1)

Area of a rectangle is the product of its dimensions. It means dimensions of the rectangle are (x+8) and (7x+1).

Perimeter of a rectangle is

Perimeter=2(l+b)

Perimeter=2[(x+8)+(7x+1)]

Perimeter=2[8x+9]

Perimeter=16x+18

Therefore, the perimeter of the rectangle is 16x+18 units.

3 0
4 years ago
PLZ SOLVE THIS WILL GIVE BRAINLIEST
VLD [36.1K]

Answer:

x = 2, y = 3

x = -3, y = -2

Step-by-step explanation:

8 0
3 years ago
rodrigo filled up his tank with 10 gallons of gas, which cost him $45.00. how much did he pay per gallom of gas? explanation ple
Vesna [10]
10gallong=45dollar

how much per 1 gallon
dollars per gallon
d/g
45/10
4.5/1
4.5 dollars per 1 gallon
4 0
3 years ago
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