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My name is Ann [436]
3 years ago
12

Anyone help with these questions?

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0
So in this case expand the brackets where everything outside the brackets are multiplied into the brackets if that makes sense. Therefore 5 times 3m plus 5 time 2.

(5×3m)+(5×2)
=15m+10
do not add them together since they are not like terms

Do the same for the next question
which I think is already done for you since there is no expanding or adding to do.

Hope I am right if not sorry.


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At midnight the temperature was 30°F by 6 o'clock in the morning it was dropped 15° & by noon increased by 22° what was the
Mila [183]

Answer: 37°F

let me know if this is wrong

Step-by-step explanation:

30-15=15

15+22=37

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A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 2x. Find the height of t
weqwewe [10]
V(cylinder)=πR²H
Radius of the cylinder R=x, height of the cylinder H=y.
We can write for the cylinder
V(cylinder)=πx²y

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Radius of the cone r=2x.
We can write for the cone
V(cone)= (1/3)π(2x)²h=(1/3)π *4*x²h

V(cylinder) =V(cone)
πx²y=(1/3)π *4*x²h
y=(4/3)*h
h=(3/4)*y


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