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frozen [14]
1 year ago
5

Please help me with this.

Mathematics
1 answer:
oee [108]1 year ago
6 0

The height of the oblique cylinder is 7.5 m.

<h3>Volume of Cylinder</h3>

The volume of a cylinder is calculated from the formula below:

V_{cylinder}= Area \;of\;base * h=\pi r^2h , where:

Area of base = area of circle = \pir²

h= height

The question gives:

Volume= 90\pi m³

Area of base = 12\pim²

Then,

V_{cylinder}= \pi r^2  h\\ \\ 90\pi =12\pi h\\ \\ h=\frac{90\pi }{12\pi } \\ \\ h=7.5 m

Learn more about volume of the oblique cylinder here:

brainly.com/question/15940389

#SPJ1

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The total cost to go horseback riding is x dollars per hour plus a $3 fee for renting a helmet. Write an expression to represent
solniwko [45]

The answer is 15x + 15

Each person needs to pay x dollars per hour, and also 3 dollars for a helmet

Let us convert this into a pseudo-expression:

1 person = (x dollars) x (y hours) + 3 dollars

Now, it says that there are 5 people, so we need to multiply both sides by 5

5 people = 5 x (x dollars) x (yhours) + 3 x 5 dollars

Furthermore, it says that each person wants to go horseback riding for 3 hours:

5 people = 5(x dollars) x (3 hours) + 15 dollars

Now, we just need to convert this into an expression

5 people = 5(x)(3) + 15

5 people = 15x+15

They want the expression for cost, so we just need to give them

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5 0
2 years ago
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Answer:

x=1

Step-by-step explanation:

3^ (3x+1) = 81

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3^4

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3x+1 =4

Subtract 1 from each side

3x+1-1 =4-1

3x=3

Divide by 3

3x/3 = 3/3

x =1

8 0
3 years ago
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denis-greek [22]

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Either B or D is the answer

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Given the piecewise function shown below select all of the statements that are true please help
KengaRu [80]

Answer:

B and D

Step-by-step explanation:

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So, we just care about the domain where x>0, which is f(x)=x^{2}.

Then plug in x we will have the right answer.

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one morning, the temperature was 5 degrees below zero (F). By noon the temperature rose 20 degrees F and then dropped 8 degrees
Vanyuwa [196]

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The main thing you are doing is adding and subtracting

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