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3 years ago

PLEASE HELP! BEEN WAITING FOR R0 MINS!!! WILL GIVE 20 POINTS!!!!

Mathematics

2 answers:

dezoksy [38]3 years ago

7 0

If you subtract a negative it becomes a positive. no matter what. So if the equation is 1-(-5)=? it would be 6.

astraxan [27]3 years ago

5 0

Answer:

the two minus symbols cancel out making it positive 5

Step-by-step explanation:

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Find tan0, cos0, and csc0, where 0 is the angle shown in the figure. Give exact values, not decimal approximations. BRANLIEST!!

Setler [38]

Answer:

see explanation

Step-by-step explanation:

We require to find the third side of the triangle.

Using Pythagoras' identity

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let x represent the third side, then

x² + 15² = 17², that is

x² + 225 = 289 ( subtract 225 from both sides )

x² = 64 ( take the square root of both sides )

x = $\sqrt{64}$ = 8

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tanΘ = $\frac{opposite}{adjacent}$ = $\frac{15}{8}$

cosΘ = $\frac{adjacent}{hypotenuse}$ = $\frac{8}{17}$

sinΘ = $\frac{opposite}{hypotenuse}$ = $\frac{15}{17}$

cscΘ = $\frac{1}{sin0}$ = $\frac{1}{\frac{15}{17} }$ = $\frac{17}{15}$

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3 years ago

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Phoenix [80]

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3 years ago

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const2013 [10]

You only need two points to describe a linear equation because there are only two unknowns from y=mx+b, namely m, the slope and b the constant or y-intercept.

You can find the slope by finding the change in y divided by the change in x from any two points...here I'll use (0,5) and (1,3)...so the slope or m is:

m=(dy/dx)=(3-5)/(1-0)=-2 now are line so far is:

y=-2x+b and we can use any point now to solve for be, I'll again use (1,3)

3=-2(1)+b

3=-2+b

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y=-2x+5

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Answer:

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Step-by-step explanation:

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