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ella [17]
3 years ago
11

What is the volume of the figure below? A cylinder with height 14 meters and radius 8 meters. 112 pi m3 224 pi m3 784 pi m3 896

pi m3
Mathematics
2 answers:
Tems11 [23]3 years ago
6 0

Answer:

896 pi m³

Step-by-step explanation:

Just took test

Alecsey [184]3 years ago
4 0

Answer:

896 pi m³

Step-by-step explanation:

took test

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The sum of three numbers is 26. Twice the first minus the second is the third less 2. The third is the second minus 3 times the
Agata [3.3K]

Let a, b, c represent the three numbers. The problem statement gives rise to three equations:

  • a +b +c = 26
  • 2a -b = c -2
  • -3a +b = c

Adding the first two equations gives

... (a +b +c) +(2a -b) = (26) +(c -2)

... 3a +c = 24 +c . . . . . simplify

... 3a = 24 . . . . . . . . . . subtract c

... a = 8 . . . . . . . . . . . . divide by 3

Adding the second and third equations gives ...

... (2a -b) +(-3a +b) = (c -2) +(c)

... -a = 2c -2 . . . . simplify

... -6 = 2c . . . . . . add 2, substitute for a

... -3 = c . . . . . . . . divide by 2

Using the third equation we can find b.

... -3·8 +b = -3 . . . . substitute for a and c

... b = 21 . . . . . . . . .add 24

The numbers are 8, 21, -3.

_____

The method above is sort of "ad hoc", taking advantage of the numbers in this particular set of equations. You can use more formal methods of Gaussian elimination or Cramer's Rule to solve these by just following a procedure. Or, your graphing calculator can do it for you.

6 0
4 years ago
Which expression is not equivalent to
Zanzabum

Answer:

A

Step-by-step explanation:

Because 6^3/6^6 is equivalent to 1/216.A is 1/36

8 0
3 years ago
Read 2 more answers
Ron is taking an inventory at his store. Based on previous sales, he predicted sales of 25 folders and 230 erasers. He actually
Klio2033 [76]
Well you find how much the error was and divide it by the amount he predicted.
30/230= 0.13 0.13=13%
8 0
3 years ago
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If nelson invests $5000 for 4 years and earns $600, what is the simple interest rate?
klio [65]

Answer: Simple interest rate = 3%.


Step-by-step explanation: We are given invested amount = $5000.

Number of years of investment = 4 years.

Interest earned = $600.

Simple interest formula.

I = P R T.

Where I is the earned interest, P is the invested amount , R is the rate of interest and T is the time in years.

Plugging values in formula, we get

600 = 5000 × R × 4

600 = 20000R.

Dividing both sides by 20000, we get

\frac{600}{20000}  = \frac{20000R}{20000} .

0.03 = R.

Multiplying by 100 to convert it in percentage, we get

0.03 × 100 = R

R = 3 %.



4 0
3 years ago
What is the third measure of a triangle who’s angles are 37 and 61
Makovka662 [10]

Answer:

37+61+x=180

98+x=180

x=180-98

x=82°

the third angle is 82°

7 0
3 years ago
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