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docker41 [41]
3 years ago
6

Which of the following formulas would find the surface area of a right cylinder

Mathematics
1 answer:
exis [7]3 years ago
5 0

Answer:

A and B

Step-by-step explanation:

The surface area is 2\pi rh+2\pi r^2

BA is also the base, which is \pi r^2

That means that B is also an answer.

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I need help rn what's the Ratio grade 8 level pls answer omg
guajiro [1.7K]

Answer:

5x:8x

Step-by-step explanation:

X= 0.5

2.5 / 0.5 = 5

4/0.5 =8

so 5x: 8x

I hope im right!!

8 0
2 years ago
Tan theta is equal to 2- cos theta find the value of sin theta​
artcher [175]

Answer:

sqrt(2)/2

Step-by-step explanation:

Given tan(x)=2-cot(x), find sin(x).

Rewrite in terms of sine and cosine:

sin(x)/cos(x)=2-cos(x)/sin(x)

Multiply both sides by cos(x)sin(x):

sin^2(x)=2sin(x)cos(x)-cos^2(x)

Rewrite cos^2(x) using the identity sin^2(x)+cos^2(x)=1:

sin^2(x)=2sin(x)cos(x)-(1-sin^2(x))

Distribute:

sin^2(x)=2sin(x)cos(x)-1+sin^2(x)

Subtracting sin^2(x) on both sides:

0=2sin(x)cos(x)-1

Add 1 on both sides:

1=2sin(x)cos(x)

Use identity sin(2x)=2sin(x)cos(x) to rewrite right:

1=sin(2x)

Since sin(pi/2)=1, then 2x=pi/2.

Dividing both sides by 2 gives x=pi/4.

So sin(pi/4)=sqrt(2)/2

4 0
3 years ago
Help ASAP please
r-ruslan [8.4K]
Answer might be C hope this helps
4 0
2 years ago
Round 4,482,186 to the tens place.
balandron [24]

Answer:

4,482,186 becomes 4,482,190

Step-by-step explanation:

8 0
3 years ago
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