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jeka57 [31]
2 years ago
6

Help me how to do this please

Mathematics
1 answer:
Alborosie2 years ago
6 0
The answer is A. C=0 and + = 3
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A cylinder has a diameter of 20cm.
Vladimir [108]

Answer:

V = 1200π

Step-by-step explanation:

Volume of a cylinder formula:

  • V = πr²h

Let's find the height of the cylinder by multiplying 20 cm by 3/5.

  • 20 * 3/5 = 60/5 = 12 cm

The radius is 1/2 of the diameter, so:

  • 20 * 1/2 = 20/2 = 10 cm

Substitute 12 for h and 10 for r into the volume formula.

  • V = π(10)²(12)

Simplify.

  • V = π * 100(12)  
  • V = π * 1200

The volume of a cylinder, in terms of π, is V = 1200π.

5 0
3 years ago
There are 3 boys for every 2 girls in a dance competition. Does it make sense for there to be a total of 9 people in the competi
rjkz [21]

Answer:

Yes

Step-by-step explanation:

3:2 = 5 people

3:1 = 4 people

5+4=9 people

6 0
3 years ago
Read 2 more answers
Craig just purchased a new sports car. He financed $45,000 and must pay it back over 5 years with 11% interest.
iris [78.8K]

Simple interest

i = P*t*t

i = 45000*0.11*5

i = 24750

<h3>Answer:  24750</h3>
6 0
2 years ago
A construction company charges 15$ per hour for debris removal,plus aone-time free for the use of a trash dumpster.The fee hour
Mazyrski [523]

The total fee y for any number of hours x will be y = 15x + 60.

<h3>What is a linear equation?</h3>

A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

A construction company charges $15 per hour for debris removal, plus a one-time fee for the use of a trash dumpster.

Let c be the one-time fee for the trash dumpster and x be the number of hours.

Then the equation will be

y = 15x + c

The fee hour for 9 hours of service is $195.

Then the value of c will be

195 = 15 × 9 + c

195 = 135 + c

c = $60

The total fee y for any number of hours x will be y = 15x + 60.

More about the linear equation link is given below.

brainly.com/question/11897796

#SPJ1

7 0
2 years ago
#5 Need help with this
olganol [36]

Answer:

Maple grove associates

Step-by-step explanation:

8 0
3 years ago
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