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lawyer [7]
3 years ago
8

Please help me because I’m dying literally dying

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0
Bh - volume of triangular prism
2πr²+2πrh - total surface area of cylinder
πr² - area of circle
2l+2w - area of rectangle.

you literally need to study this. because this is nothing in math (yet everything)
nevsk [136]3 years ago
6 0

perimeter or rectangle= 2l+2w

Surface area of a cylinder=2(pi)r^2+2(pi)r

Volume of a triangular prism=Bh

Area of a circle=(pi)r^2

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3 0
3 years ago
Samantha ran on a fitness track for 20 ​min, and then walked for 15 min. Her running rate was 230 ft per minute faster than her
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Answer:

  560 ft/min

Step-by-step explanation:

Let r represent Samantha's running rate in feet per minute. Then r-230 is her walking rate. We can use the relation ...

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  20r + 15(r -230) = 16150

  35r - 3450 = 16150 . . . . eliminate parentheses, collect terms

  35r = 19600 . . . . . . . . . . add 3450

  r = 560 . . . . . . . . . . . . . . divide by the coefficient of r

Samantha ran 560 feet per minute.

5 0
3 years ago
Is root -2 a irrational number? plz explain
Bogdan [553]

Answer:

yes

Step-by-step explanation:

4 0
3 years ago
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What is Use the table to solve the inequality 2x&lt;2.<br><br> x −1 0 1 2 3<br> 2x
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Step-by-step explanation:

4 0
2 years ago
Please help me i really need help please
jeka94
V= 735.62

volume formula for sphere is v= 4/3 π r3
the radius is half of the diameter so v= 4/3 π 5.6 3

i think?
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