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Levart [38]
3 years ago
6

A. 1620 b. 180 c. 38 d. 29

Mathematics
1 answer:
77julia77 [94]3 years ago
5 0

Answer:

V =1620 pi  cm^2

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

V = pi ( 9)^2 * 20

V =1620 pi  cm^2

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6. A semicircular disk of radius 3 ft. is revolved about its diameter (straight side) one complete revolution. Describe the soli
kaheart [24]

Answer:

) one complete revolution. Describe the solid determined by this revolution, and then find the volume of the solid.

Step-by-step explanation:

5 0
3 years ago
The ratio of pink marbles to white marbles is 1:5 what percent of bag is pink marbles
sashaice [31]
1:5=1/5
1/5=20/100
20/100= 20%
20% of bag is pink marbles
6 0
3 years ago
#1 - HINT - you are finding the total amount make sure you add the interest you calculate to the original deposit amount
Andreyy89

Answer:

$292.50

Step-by-step explanation:

Equation - A = P(1 + rt)

Calculation:

First, converting R percent to r a decimal

r = R/100 = 2.5%/100 = 0.025 per year.

Solving our equation:

A = 260(1 + (0.025 × 5)) = 292.5

A = $292.50

The total amount accrued, principal plus interest, from simple interest on a principal of $260.00 at a rate of 2.5% per year for 5 years is $292.50.

8 0
2 years ago
Read 2 more answers
Professionals typically order 10% more than calculated. If w represents the minimum number of whole boxes needed, what expressio
d1i1m1o1n [39]
Number of Boxes ordered = w + w/10 or
w(1+0.1)=1.1 w

Answer
1.1 w
6 0
3 years ago
The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed,
Airida [17]

Answer:

height of the candle after 6 hours= 18.6 centimeters

Step-by-step explanation:

the function gives a line with a slope of −0.4.

the height of the candle after 11 hours is 16.6 centimeters.

after 6 hours, the height will be

But slope= y2-y1/x2-x1

Y2 is the unknown

Y1 = 16.6

X1= 11 hours

X2= 6 hours

y2-y1/x2-x1= -0.4

(Y2-16.6)/(6-11)= -0.4

(Y2-16.6)/(-5)= -0.4

(Y2-16.6)= -5( -0.4)

(Y2-16.6)= 2

Y2 = 2+16.6

Y2 = 18.6 centimeters

height of the candle after 6 hours= 18.6 centimeters

4 0
3 years ago
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