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Julli [10]
3 years ago
6

GETS BRAINLIEST AND 11PTS!

Mathematics
2 answers:
USPshnik [31]3 years ago
8 0
See the attached picture:

salantis [7]3 years ago
4 0

Answer:

Seventh grade has the higher mean score.

Step-by-step explanation:

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The heights of two similar cylinders are 3cm and 4cm respectively. The total area of the bigger cylinder is 400cm².Calculate the
shusha [124]

Answer:

Step-by-step explanation:

Total surface area = 2πr(r+h)

If the total area of the bigger cylinder is 400cm² and radius is 4cm, then;

400=2(3.14)(r)(r+4)

400= 6.26r(r+4)

400=100.48 + 25.12h

299.52 = 25.12h

H = 299.52/25.12

H = 11.92cm

For the smaller cylinder

The height is calculated as;

H/h = R/r

11/92/

8 0
2 years ago
a corner shelf is 1/4 of a circle and has a radius of 10.5 inches . Enter the area of the shelf in square inches . round your an
schepotkina [342]
First, find the area of the shelf if it were a full circle.
the formula for the area of a circle is a=pi(r squared)
a=pi (10.5 squared)
a=pi  x 110.25
a=3.14 x 110.25
a=346.185
now, you have to divide that area by 4 to get the area of the 1/4 circle
346.185/4=86.55
5 0
3 years ago
How would you change the equation in the explore activity to model -3x+4=5
MissTica
Are you asking how to solve this equation?
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3 years ago
It took a submarine 3 seconds to drop to 12 feet below sea level from the surface. what is the rate of descent
kotegsom [21]
For everyone 4 feet he drops, 1 second will pass. (for everyone 1 second that goes by, he will be 4 feet lower)
12/3=4
4 0
2 years ago
Determine which relation is a function.
slamgirl [31]
The last one is the correct answer
5 0
3 years ago
Read 2 more answers
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