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solniwko [45]
3 years ago
14

What is the answer I need help? PLZ HELP ME

Mathematics
1 answer:
Firlakuza [10]3 years ago
6 0
Use an app called Socratic, take a photo of the questions you're stuck on, then it will help you in stages and show you the answer.

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Find z in 4/3(multiplied by)z=20
anygoal [31]
4/3*z=20
Rearrange
Multiply by 3
4*z=60
Divide by 4
Z=15
5 0
3 years ago
Read 2 more answers
A scale of a model of a new building was created for approval by the city. The scale of the model is 3 inches=20 feet. If the mo
Vinvika [58]

Answer:

400 feet

Step-by-step explanation:

real

1 feet = 12 inches

5 feet = 60 inches

scale

3 inches = 20 feet

60 inches=

60/3 = 20

20*20= 400

therefore 5 feet tall equall 400 feet

8 0
3 years ago
Cann someone please help mee
xxMikexx [17]

Answer:

this is the answer

Step-by-step explanation:

42.7893

4 0
3 years ago
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A tube is being stretched while maintaining its cylindrical shape. The height is increasing at the rate of 2 millimeters per sec
hoa [83]

Answer:

V = πr²h

S=2πrh

h= 2/3 millimeters

new height= 8/3 millimeters

S= 8π  millimeters square

New surface area = 32π  millimeters square

Step-by-step explanation:

The volume of the cylinder is given by V = πr²h   where r is the radius and h is the height.

The surface area of the cylinder is given by  S= 2πrh + 2πr²

Where πr² gives the area of the base and 2πr² gives the area of the top and bottom surfaces. The surface area S of a cylinder, not including the top and bottom of the cylinder, is therefore S=2πrh.

V = πr²h

96π= π (6*6) (h+2)

96 = 36 (h+2)

96/36= h+2

h= 96/36-2

h= 96-72/36

h= 24/36

h= 4/6

h= 2/3 millimeters

New height

h + 2= 2/3 + 2

= 2+6/3= 8/3 millimeters

Now S =2πrh

S = 2π(6) (2/3)

S= 8π  millimeters square

New Surface area

S = 2π(6) (8/3)

S= 32π  millimeters square

6 0
3 years ago
QUICKKKKK DJWKCJKWFN
dezoksy [38]

Step-by-step explanation:

just take from me..your most best and smarties person ever...i don't know the answer

8 0
2 years ago
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