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erastovalidia [21]
3 years ago
7

(-1)x2x3 Please answerrrrrrr

Mathematics
2 answers:
Damm [24]3 years ago
7 0

Answer:

-6

Step-by-step explanation:

2*3=6

6*-1=-6

natka813 [3]3 years ago
6 0

Answer:

8

Step-by-step explanation:

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Use △XYZ, in which ∠X is a right angle and tanY=815.
Neporo4naja [7]

Answer:

8/17

Step-by-step explanation:

The correct and complete question is:

<em>Use △XYZ, in which ∠X is a right angle and tanY=8/15. What is the ratio for sinY?</em>

From definition:

tan(Y) = opposite/adjacent

From the graph and the question:

tan(Y) = XZ/XY = 8/15

Then:

XZ = 8 and XY = 15. Using pytaghorean theorem:

XZ² + XY² = YZ²

8² + 15² = YZ²

√289 = YZ

17 = YZ

From definition:

sin(Y) = opposite/hypotenuse

From the graph:

sin(Y) = XZ/YZ

sin(Y)= 8/17

8 0
2 years ago
The linear function f(x) = 0 5x + 80 represents the average test score in your math class, where x is the number of the test tak
SashulF [63]

Answer:

more information

Step-by-step explanation:

6 0
3 years ago
Am I dealing with harmonic stuff (trig)?
pochemuha

You just need to solve for when y=0:

\dfrac{\cos8t-9\sin8t}4=0\implies\cos8t-9\sin8t=0

\implies\cos8t=9\sin8t

\implies\dfrac19=\dfrac{\sin8t}{\cos8t}=\tan8t

\implies8t=\tan^{-1}\dfrac19+n\pi

\implies t=\dfrac18\tan^{-1}\dfrac19+\dfrac{n\pi}8

where n is any integer. We only care about when 0\le t\le1, which happens for n\in\{0,1,2\}.

t=\dfrac18\tan^{-1}\dfrac19\approx0.01

t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi8\approx0.41

t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi4\approx0.80

8 0
3 years ago
NEED HELP QUICK !!!<br> Find the value of side X ?
tankabanditka [31]

a²+b²=x²

4²+3²= x²

16+9= x²

25= x²

V25= x

5= x

7 0
1 year ago
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Alisiya [41]

Answer:

The area of the parallelagram is 50

5 0
3 years ago
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