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3 years ago

If r = 10 units and h = 5 units, then what is the volume of the cylinder?

Mathematics

2 answers:

stira [4]3 years ago

7 0

Answer:

Volume of a cylinder=1/2πr^2h.

1/2×3.142×10^2×5.

1/2×3.142×100×5.

1/2×1571

=785.5

svp [43]3 years ago

7 0

Answer:

About 1570.8

Step-by-step explanation:

Start by looking at the equation for solving a cylinder, which is V = π x r² x h. Since r = radius (5) and h = height (10), you add those numbers into the equation. Now you have to solve V = π x 5² x 10, which will get you your repeating decimal of 1570.79633...which then can be rounded your answer of 1570.8.

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A plane is flying at an altitude of 17,000 feet. The angle of depression from the plane to the airport on the ground is 21°. Wha

viva [34]

Answer:

47,433.0 feet

Step-by-step explanation:

Using the SOH CAH TOA identity

Height of the plane = opposite = 17000feet

distance between the plane and the airport = hypotenuse = x

Angle of depression = 21 degrees

Since Sin theta = opp/hyp

Sin 21 = 17000/x

x = 17000/sin21

x = 17000/0.3584

x = 47,433.0

Hence the distance between the plane and the airport to the nearest 10th of a foot is 47,433.0 feet

6 0

3 years ago

Which expression is equivalent to One-fifth (150 x minus 80 y + 50 minus 50 x minus 25 y + 20)?

inna [77]

Answer:

The answer to your question is 20x + 21y + 14

Step-by-step explanation:

Data

Expression 1/5 (150x - 80y + 50 - 50x - 25y + 20)

Process

1.- Multiply 1/5 by each term

150/5x - 80/5y + 50/5 - 50/5x - 25/5y + 20/5

2.- Simplify

30x - 16y + 10 - 10x - 5y + 4

3.- Simplify like terms

(30x - 10x) + (-16y - 5y) + (10 + 4)

4.- Result

20x + 21y + 14

3 0

4 years ago

Read 2 more answers

Katrina drinks 0.5 gallons of water per day. Which expression shows how to find the number of cups of water she drinks in a

Hunter-Best [27]

Answer:

Well the options are not copy pasted properly so im just gonna answer the question

Step-by-step explanation:

1 Gallon contains 16 cups,

so 16 cups for 1 day

so for 7 days,

No. of cups = 7 x 16 = 112

so the expression would be,

16 cups x 7 days

7 0

3 years ago

Jolene bought a savings certificate that earned 2% in simple interest per year. She earned a total of $240 in interest over four

Travka [436]

The answer for your question is that it is 120

8 0

3 years ago

Read 2 more answers

Pleaseee i need some help on these 3 questions

Zepler [3.9K]

Answer:

a) the product is equal to 953.

b) the product is greater than 443.

c) the product is greater than 181.

Step-by-step explanation:

a) 953 × 63/63 = 953

Therefore, the product is equal to 953.

b) 443 × 86/79 = 482.25

Therefore, the product is greater than 443.

c) 181 × 30/28 = 193.93

Therefore, the product is greater than 181.

Hope this helps =)

6 0

2 years ago