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Tomtit [17]
3 years ago
10

PLEASE HELP!!! I will give brainliest and give a shoutout for whoever answers this and if I don't, hold me accountable.

Mathematics
1 answer:
kolbaska11 [484]3 years ago
6 0

Answer:

\frac{dy}{dx}  =  \frac{ \sin(y)  - y \cos(x) }{ \sin(x) - x \cos(y)  }

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Can someone help me with the answers 7- 14 pleaseeee and thank you!
Darina [25.2K]
You can get all the answeres easily.

Heres number 1: -1/5
7 0
3 years ago
4/5=/20 math...........
Mumz [18]

Answer:

1.) 16/20

2.) 15/35

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4.) 52/60

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I hope this is good enough:

7 0
3 years ago
Ellis is painting wooden fenceposts before putting them in his yard. They are each 5 feet tall and have a diameter of 1 foot. Th
Naya [18.7K]

Answer:

39.25 cubic feet of paint will be needed by Ellis.

Step-by-step explanation:

Volume of a cylinder:

The volume of a cylinder of radius r and height h is given by:

V = \pi r^2h = 3.14r^2h

How much paint will Ellis need to paint all the surfaces of the 10 fenceposts?

This is the combined volume of these 10 fenceposts.

They are each 5 feet tall and have a diameter of 1 foot.

Radius is half the diameter, so r = \frac{1}{2} = 0.5. Also h = 5

10 fenceposts:

Each has the same volume, so:

V = 10(3.14)r^2h = 31.4(0.5)^2(5) = 39.25

39.25 cubic feet of paint will be needed by Ellis.

6 0
2 years ago
Hey you can help help pls pls help help me
AleksandrR [38]

Answer:

A.)

Step-by-step explanation:

HOPE IT HELPED:)!!

4 0
2 years ago
Read 2 more answers
Evaluate A2 for A = -3.<br><br> -9<br> -6<br> 6<br> 9
Slav-nsk [51]

A^2

-3^2 = 9

 the answer is 9

6 0
3 years ago
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