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sashaice [31]
3 years ago
5

Find the circumference of a circle that has a diameter of 4 m. Use 3.14 for pi. m

Mathematics
1 answer:
Arturiano [62]3 years ago
3 0

Answer:

<h2>12.56 m</h2>

Step-by-step explanation:

The formula of a circumference of a circle:

C=d\pi

<em>d</em> - <em>diameter</em>

<em />

We have <em>d = 4m</em>.

Substitute:

C=4\pi\ m

Use 3.14 for π:

C\approx4(3.14)=12.56\ m

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The first term of a geometric sequence is 10,000 and the common ratio is 0.4. What
Misha Larkins [42]

a = 10000

r = 0.4 = 4/10 = 2/5

a_9 = ar^8 = 10000 × 2^8/5^8

a_9 = 10000 × 256/(25 × 25 × 25 × 25)

a_9 = 6.5536

7 0
3 years ago
T+b = 41<br> t = 2b+2<br> Solve for t and b
erastovalidia [21]

Answer: b=13, t=29

Step-by-step explanation:

Substituting the first equation into the second,

2b+2+b=41\\\\3b+2=41\\\\3b=39\\\\b=13\\\\\implies t=2(13)+2=29

3 0
1 year ago
PLEASE HELP ASAP WILL MEDAL BRAINLIEST
Naddik [55]
Given
Present investment, P = 22000
APR, r = 0.0525
compounding time = 10 years
Future amount, A 

A. compounded annually
n=10*1=10
i=r=0.0525
A=P(1+i)^n
=22000(1+0.0525)^10
=36698.11

B. compounded quarterly
n=10*4=40
i=r/4=0.0525/4
A=P(1+i)^n
=22000*(1+0.0525/4)^40
=37063.29


Therefore, by compounding quarterly, she will get, at the end of 10 years investment, an additional amount of
37063.29-36698.11
=$365.18

5 0
3 years ago
Can someone help will name brainliest if the answer is correct
Neporo4naja [7]

Answer:

64 hope it helps

Step-by-step explanation:

6 0
3 years ago
solve this system using a systems of equations. Discount Rental Cars charges a daily fee plus a mileage fee for renting its cars
kipiarov [429]

Answer:

Barney 145 3 Days 310 Miles

Mary   250 5 Days 600 Miles

A)  3 D + 310 M = 145

B) 5 D + 600 M = 250

Multiplying A) by -5/3

A) -5 D - 516.6666M = -241.66666666

B) 5D + 600M = 250

Adding A) and B)

83.3333 M = 8.3333333333

M = .10 per mile

3 D = 114

Daily Rate = 38 dollars per day

Step-by-step explanation:

3 0
3 years ago
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