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sergey [27]
3 years ago
9

Please help me idk this

Mathematics
2 answers:
poizon [28]3 years ago
4 0

Answer:

34.54 inches.

Step-by-step explanation:

The formula for the circumference of the circle is given as C=\pi d, where \pi is rounded to 3.14 and d is the diameter of the circle, 11 inches. Simply plug these values into the equation for the circumference to get your answer:

C=\pi d\\C=(3.14)*(11)

C = 34.54 inches

avanturin [10]3 years ago
3 0

Answer:

34.54 inches

Step-by-step explanation:

C=πd

d=11

C = 11 * 3.14

C = 34.54 inches

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What is the 7th term of the geometric sequence where a1 = −4,096 and a4 = 64? (6 points)
Komok [63]

Answer:

7th term is -1

Step-by-step explanation:

Mathematically, we have the nth term of a geometric sequence as:

Tn = ar^(n-1)

where a is the first term

n is the number of terms

T4 = ar^3

64 = -4096 * r^3

r^3 = -64/4096

r^3 = -1/64

r^3 = (-1/4)^3

r = -1/4

The 7th term is:

T7 = ar^6

T7 = -4,096 * (-1/4)^6

T7 = -1

The 7th term is -1

8 0
3 years ago
Please HELP! I only have a few more questions to answer!​ (Be sure to open the picture to see the problem)
Ainat [17]

Answer:

The answer to your question is below

Step-by-step explanation:

1.- Find the number of units between 5 and - 11

          5 - (-11) = 5 + 11 = 16

2.- Divide this number by 4

          16 / 4 = 4

3.- Find the missing terms

 5  = 5

a₂ =  5 - 4 = 1    

 a₃ = 1 - 4 = - 3

 a₄ = -3 - 4 = -7

 -11 = -7 - 4 = - 11

8 0
3 years ago
A jet travels 4648 miles against the wind in 8 hours and 5368 miles with the wind in the same amount of time. What is the rathe
stich3 [128]

Answer:

The rate of the jet in still air is 738 mph and the rate of the wind is 90 mph

Step-by-step explanation:

Check: (738+90)*6 = 648*6 = 3888 mike's against the wind

(738-90)*6 = 828*6 = 4968 miles with the wind

3 0
3 years ago
Lincoln invested $49,000 in an account paying an interest rate of 6\tfrac{1}{8}6
Orlov [11]

Using compound interest and continuous compounding, it is found that Lincoln would have $15,856 more in his account than Eli.

<h3>What is compound interest?</h3>

The amount of money earned, in compound interest, after t years, is given by:

A(t) = P\left(1 + \frac{r}{n}\right)^{nt}

In which:

  • A(t) is the amount of money after t years.
  • P is the principal(the initial sum of money).
  • r is the interest rate(as a decimal value).
  • n is the number of times that interest is compounded per year.

Hence, for Lincoln, we have that the parameters are as follows:

P = 49000, r = 0.06125, n = 365, t = 20.

Hence the amount will be of:

A_L(t) = P\left(1 + \frac{r}{n}\right)^{nt}

A_L(20) = 49000\left(1 + \frac{0.06125}{365}\right)^{365 \times 20}

A_L(20) = 166787

<h3>What is continuous compounding?</h3>

The amount is given by:

A(t) = Pe^{rt}

For Eli, we have that r = 0.05625, hence the amount will be given by:

A(t) = Pe^{rt}

A_E(20) = 49000e^{0.05625 \times 20} = 150931

<h3>What is the difference?</h3>

It is given by:

D = A_L(20) - A_E(20) = 166787 - 150931 = 15856

Lincoln would have $15,856 more in his account than Eli.

More can be learned about compound interest at brainly.com/question/25781328

6 0
3 years ago
10) Identify three points that are solutions to the system
arlik [135]

Answer: - x + 3

y>3x + 1

Step-by-step explanation:

7 0
3 years ago
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