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PolarNik [594]
2 years ago
7

A large drum in the shape of a cylinder is used to store used oil. The drum is 4 feet tall with a radius of 2 feet.

Mathematics
2 answers:
kirza4 [7]2 years ago
8 0

Answer: if i am correct the answer is 75.4

please correct me if i am wrong.

Step-by-step explanation:

A=2 3.14 r h+2 3.14 r2=2·3.14·2·4+2·3.14·22≈75.39822

katrin [286]2 years ago
6 0
<h3>Answer:  75.36 square feet</h3>

Your teacher may want you to type the number only.

==========================================================

Work Shown:

SA = surface area of a cylinder

SA = 2*pi*r^2 + 2*pi*r*h

SA = 2*3.14*2^2 + 2*3.14*2*4

SA = 75.36

The surface area is roughly 75.36 square feet.

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How do you write the following statement as an equation: a number N is 4 less than 8 ??
kiruha [24]
4 less than 8 is a number N

8 - 4 = n
or
n = 8 - 4
6 0
3 years ago
Find the slope of the line on the graph.write your answer as a fraction or a whole number, not a mixed number
Leona [35]

Answer:

slope = -\frac{1}{2}     if it were in an

Step-by-step explanation:

the graph is a negative and will therefore have a negative slope. to find the slope, pick a point on the graph and find the \frac{rise}{run}.

for instance, start with the point (0,1). Then go down 1 and left 2 to get to the next point on the graph (2,0). 1 is the "rise" and 2 is the "run" hence -1/2 being the slope.

you could also use the slope formula: \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

point 1: (0,1)    (x₁ ,y₁)

point 2: (2,0)    (x₂ , y₂)

\frac{0-1}{2-0} =-\frac{1}{2}

3 0
2 years ago
How to find the x intercept in -2/3x+8
zhenek [66]
Put in Ti-84 Calc answer = 14.666666667
7 0
3 years ago
What is the equation of the line that passes through the point<br> (6,7) and has a slope of o?
QveST [7]

Answer:

y= 7

Step-by-step explanation:

Plug in values into y=mx+b

m= slope

b= y intercept

Since slope is 0, y will always be at 7.

y= 0(x) +7

y= 7

6 0
2 years ago
Chris bought 12.4 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is close to the number
Masja [62]

Answer:

There are 47.12 liters in 12.4 gallons of gasoline.

Option C is correct option.

Step-by-step explanation:

Total Gasoline bought = 12.4 gallons

We are given:

1 gallons = 3.8 liters

So.=, we need to find how many liters in 12.4 gallons of gasoline

1 gallon = 3.8 liters

12.4 gallon = 3.8*12.4

                  = 47.12 liters

So, there are 47.12 liters in 12.4 gallons of gasoline.

Option C is correct option.

4 0
3 years ago
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