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Alona [7]
3 years ago
10

A cylinder whose radius is 21cm has a curved surface area of 528cm2. Calculate the height of the cylinder.​

Mathematics
2 answers:
kari74 [83]3 years ago
5 0

Answer: the height is 4

I think you make mistakes

but that is the height

Step-by-step explanation:

h =height=?cm

R=radius=21cm

A =surface area 528cm

VARVARA [1.3K]3 years ago
4 0

Answer:

110888

Step-by-step explanation:

v=surface area *radius

v=528*21=110888cm3

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Answer:

33

Step-by-step explanation:

So we substitute the numbers for the variable and we get 24 + 36/4. This 24 + 9 which equals 33. So the answer is 33. I hope this helped!

8 0
3 years ago
Safeway has 3 1/2 of strawberries for $4.90
ki77a [65]

Answer: 7.5 lbs of strawberries

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7 0
3 years ago
Dixie packaging co has contracted to manufacture a box with no top that is to be made by removing squares of width x from the co
GrogVix [38]

Answer:

a) V(x) = x ( 60 -2x )( 15-2x )

b) 0.55 inches ≤ x ≤ 6.79 inches

c) x ≥ 6.79 inches

Step-by-step explanation:

Given data:

No top, cardboard dimensions ; 15-in by 60-in

a) A function for the volume of the box as a function of x the Volume can be represented by this function below

= V(x) = x ( 60 -2x )( 15-2x )

where : x = height ,  ( 60 - 2x ) = length , ( 15 -2x ) = width

b) determine x so that the volume of the box ≥ 450 inches

450 = x( 60 - 2x ) ( 15 -2x ) ( solving the equation )

0.55 inches ≤ x ≤ 6.79 inches

c ) The value of x for which volume of the box is maximum

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6 0
3 years ago
M= -1 and point (2,-1) lies on the line write an equation
Rina8888 [55]

The required equation of line is:

y=-x+1

Step-by-step explanation:

Given

m=-1

And point (2,-1)

The general form of slope intercept form of equation of line is:

y=mx+b

Putting the value of the slope

y=-(1)(x)+b\\y=-x+b

To find the value of b, putting (2,-1) in the equation

-1=-(2)+b\\-1=-2+b\\b = 2-1\\b=1

Putting the values of b and m in equation

y=-x+1

The required equation of line is:

y=-x+1

Keywords: Equation of line

Learn more about equation of line at:

  • brainly.com/question/4401748
  • brainly.com/question/4459688

#LearnwithBrainly

4 0
3 years ago
-2xy^5+3x^7-10x^3y^6+8x^6+4
andrew11 [14]
That don’t even look like a real problem.
6 0
3 years ago
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