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faust18 [17]
2 years ago
5

BC=? Please help fast, I'm lost.

Mathematics
2 answers:
tankabanditka [31]2 years ago
8 0

Answer:

30.2

Step-by-step explanation:

cos(58) = 16/BC

BC = 16/cos(58) = 30.2

Ahat [919]2 years ago
3 0

Answer:

Step-by-step explanation:

You have to use the sine law

Start by finding < B

<B + 58 + 93 = 180          Combine

<B + 151 = 180                  Subtract 151 from both sides.

<B = 29

Now set up the sine law ratios

Sin (93) / BC = Sin (29) / 16

Sin(93) = 0.999

Sin(29) = 0.485

Now put these values into the Sin law found above.

0.999 / BC = 0.485 / 16                Cross Multiply

BC*0.485 = 16*0.999                    Combine

BC *0.485 = 15.984                       Divide by 0.485

BC = 15.984/0.485

BC = 32.857

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A height of 12 and a volume of 1.356.48 what is the radius of the cylinder?
alexgriva [62]

Answer:

11.99 ft

Step-by-step explanation:

The formula for the volume of a cyl. of radius r and height h is V = πr²h.

Solving this immediately for h yields:

        V

h = ----------

        πr²

Inserting the known quantities results in:

        V           1356.48 ft³

h = ---------- = ----------------------      Note that r = (1/2)d, so r = (1/2)(12 ft) = 6 ft

        πr²         3.14159 (6 ft)²

  =   11.994 ft

The height of the cyl. is 11.99 ft (to the nearest hundredth foot)

8 0
3 years ago
MY BRAIN CANNOT NOT THINK HARD ENOUGH TO ANSWER THIS!!!! HEEELP :( 17 points which is all my points if you help!!!
elena55 [62]

Answer:

That would be C, 9:25

Step-by-step explanation:

That is because you would dividing the number of boys over number of girls riding bikes. 45/125. Then in simplest form, the fraction will be 9/25, meaning in ratio it is 9:25

Hope it helps:)

6 0
3 years ago
What is this questions anwser?? <br>928=1820+x
grandymaker [24]
928 = 1820 + x

Subtract 1820 from both sides.

928 - 1820 = x

Simplify.

x = -892

~Hope I helped!~
6 0
3 years ago
Read 2 more answers
Incorrect
kipiarov [429]

Answer:

46.3%/100 x 162 = 75.006 games. I guess you could round it off to 75 games

6 0
2 years ago
Express 3 to the powermof -2 as rational number
faltersainse [42]

Answer:

(2/3)³

2³/3³

2³ × 3^(-3)

Step-by-step explanation:

3 0
3 years ago
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