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zhenek [66]
2 years ago
14

Find the length of segment AB

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
6 0

Answer:

35

hope this helps you!!

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The surface of a right cylinder is 324 pi cm^2. If the radius and height are equal, find the length of the diameter
DanielleElmas [232]

Answer:

The length of the diameter is 18 cm

Step-by-step explanation:

In this question, we are asked to calculate the diameter of a right cylinder, given that the radius and the height are equal and given the value of the surface area.

Mathematically, the surface area of a cylinder can be represented by the equation;

A = 2 π r( r + h)

since r = h, we can say h = r

Thus, the equation becomes;

A = 2 π r( r + r)

A = 2 π r(2r)

A = 4 π r^2

From the question, we can see that the value of A = 324 π

substituting this, we have;

324 π = 4 π r^2

4r^2 = 324

r^2 = 324/4

r^2 = 81

r = root of 81

r = 9 cm

The value of the diameter is two times the radius

Hence D = 2r = 2 * 9 = 18 cm

8 0
3 years ago
Two combines can harvest 320 acres of wheat in a certain amount of time. Assuming all combines work at the same rate, how many a
hoa [83]
2 combines = 320 acres
320/2 = 160 acres per combine
160 * 6 = 960
Answer: 960 acres

Hope this helps!
4 0
3 years ago
The cost of text books for school increases with the average class size identify the independent and dependent quantity in the s
Zinaida [17]
C average class size; cost
3 0
3 years ago
Read 2 more answers
What does (d+3) represent in 4.5(d+3)=45
Scrat [10]

Answer:

(d + 3) would be 10

Step-by-step explanation:

<u>Step 1:  Distribute</u>

4.5(d + 3) = 45

(4.5 * d) + (4.5 * 3) = 45

4.5d + 13.5 = 45

<u>Step 2:  Subtract 13.5 from both sides</u>

4.5d + 13.5 - 13.5 = 45 - 13.5

4.5d = 31.5

<u>Step 3:  Divide both sides by 4.5</u>

\frac{4.5d}{4.5} = \frac{31.5}{4.5}

d = 7

<u>Step 4:  Determine what (d+3) is</u>

(d + 3)

(7 + 3)

10

Answer: (d + 3) would be 10

3 0
2 years ago
Read 2 more answers
I thought it was the second one
lawyer [7]

the second one y=(2/3)x

4 0
2 years ago
Read 2 more answers
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