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irakobra [83]
3 years ago
11

Rectangle WXYZ with height h and width w is rotated 360° about segment WY. Which choice gives the solid formed and its surface a

rea?
Mathematics
2 answers:
inna [77]3 years ago
4 0

Answer:  

Cylinder, A = 2π • w • h + 2π • w to the second power square units

Step-by-step explanation:

 A right circular hollow cylinder is a 3D region enclosed by two right circular cylinders having the same axis and two parallel annular bases perpendicular to the cylinders' common axis which will be formed when you rotate the given by 360 degrees.

Sav [38]3 years ago
3 0

Answer:

Cylinder, A = 2π • w • h + 2π • w to the second power square units

periodt (stan NCT127)

Step-by-step explanation:

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33, 25, 42, 25, 31, 37, 46,29,38<br>What is the first quartile of the data?​
NISA [10]
answer:
Step by step solution:
1) put the numbers in order:
25,25,29,31,33,37,38,42,46
2) find the median:
25,25,29,31,33,37,38,42,46
33
3) find the median of the first quartile:
25,25,29,31
25 and 29
25+29= 54
54/2
27
Q1= 27

6 0
3 years ago
sand falls from an overhead bin and accumulates in a conical pile with a radius that is always four times its height. suppose th
blagie [28]

Answer:

\frac{dv}{dt} =7239.168 cm/sec

Step-by-step explanation:

From the question we are told that:

Rate \frac{dh}{dt}=1cm

Height h=12cm

Radius r=4h

Generally the equation for Volume of Cone is mathematically given by

V=\frac{1}{3}\pi r^2h

V=\frac{1}{3}\pi (4h)^2h

Differentiating

\frac{dv}{dt} =\frac{16}{3}\pi3h^2\frac{dh}{dt}

\frac{dv}{dt} =\frac{16}{3}*3.142*3*12^2*1

\frac{dv}{dt} =7239.168 cm/sec

7 0
3 years ago
Simplify this algebraic expression x-5/5+10<br>А. x+ 11<br>в. х- 9<br>c. х- з<br>d. x+9​
bulgar [2K]

Answer:

\displaystyle X+9

Step-by-step explanation:

\displaystyle\frac{b}{b}=1

\displaystyle\frac{5\div5}{5\div5}=\frac{1}{1}=1

\displaystyle x-1=10

Add and subtract numbers from left to right.

-1+10=9

\displaystyle x+9, which is our answer.

Hope this helps!

4 0
3 years ago
A gallon of water weighs 8 1/3 lb. how much does 1 1/5 gal of water weigh
Citrus2011 [14]

Answer:

1 1/5 gallons is 6/5 volume of 1 gallon. Therefore, 8 1/3 * 6/5 = 25/3 * 6/5 = 150/15 = 10 lbs.

Step-by-step explanation:

7 0
3 years ago
What is the slope of the equation 2y = 6x - 8?<br><br> 2<br> 3<br> 4<br> 6
alexira [117]
The slope is 3 because you need to use the slope-intercept form y=mx+b to find the slope of m
8 0
3 years ago
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