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Burka [1]
3 years ago
13

Geometry. What is the answer and how do I solve? Please don't waste my answers. I will mark brainliest.

Mathematics
1 answer:
Natalka [10]3 years ago
4 0

Answer:

QS = 16

Step-by-step explanation:

We can find QS by using the Pythagorean Theorem for Δ SQT

ST = 24/2 or 12

QT = 20

QS² + 12² = 20²

QS² + 124 = 400

QS² = 256

QS = √256, which is 16

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A positive degree of rotation means what direction?
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Answer:

to the right

Step-by-step explanation:

I think

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2 years ago
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At the fair, the ratio of males to females was 4:5. If there are 180 people at the fair, how mamy males are there?​
Setler79 [48]

Answer:

80 males

Step-by-step explanation:

180 / 9 = 20

20 x 4 = 80

3 0
2 years ago
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Anyone know how to do trig? Given tan Ф = 4/5, find all other trig functions.
mars1129 [50]

9514 1404 393

Answer:

  • sin(Ф) = (4/41)√41; csc(Ф) = (√41)/4
  • cos(Ф) = (5/41)√41; sec(Ф) = (√41)/5
  • tan(Ф) = 4/5; cot(Ф) = 5/4

Step-by-step explanation:

The mnemonic SOH CAH TOA can help you with three of the functions. Then you need to remember the relations between those and the other three.

  Tan = Opposite/Adjacent

  tan(Ф) = 4/5

This suggests you can draw a triangle like the one attached that has adjacent side 5 and opposite side 4. Then hypotenuse can be found from the Pythagorean theorem:

  AC² = AB² +BC² = 5² +4² = 41

  AC = √41 . . . . . hypotenuse

Then the other trig functions are ...

  Sin = Opposite/Hypotenuse

  sin(Ф) = 4/√41 = (4/41)√41

  Cos = Adjacent/Hypotenuse

  cos(Ф) = 5/√41 = (5/41)√41

And the reciprocal functions are ...

  csc(Ф) = 1/sin(Ф) = (√41)/4

  sec(Ф) = 1/cos(Ф) = (√41)/5

  cot(Ф) = 1/tan(Ф) = 5/4

7 0
3 years ago
Solve for x. Help me out because I haven’t been paying attention all year pt.2
Strike441 [17]

Answer:

x = 9

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(24+3) * 3 = x^2

27*3 = x^2

81 = x^2

Take the square root of each side

sqrt(81) = sqrt(x^2)

9 =x

3 0
3 years ago
Solve for x 6(x+5)-3(x-2)=12x+18
serg [7]
6x +30 -3x +6 =12x +18

3x +36 =12x +18

3x-12x = 18 -36

-9x = -18  | -1

9x =18

x= 18/9

x=2
7 0
3 years ago
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