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2 years ago

F(x)=2x-6 answer please

Mathematics

1 answer:

kolezko [41]2 years ago

4 0

Answer:

well that's already the slope and your i-intercept would be -6

Step-by-step explanation:

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Find the exact values of sin(u/2) cos(u/2) and tan(u/2) given sin u=24/25 and pie/2 < u < pie

vlada-n [284]

Recall the double/half angle formulas:

$\cos^2\dfrac x2=\dfrac{1+\cos x}2$

$\sin^2\dfrac x2=\dfrac{1-\cos x}2$

We're given $\sin u=\frac{24}{25}$ , and since $u$ is between π/2 and π, we expect $\cos u$ to be negative. So from the Pythagorean identity, we find

$\sin^2u+\cos^2u=1\implies\cos u=-\sqrt{1-\sin^2u}=-\dfrac7{25}$

Also, we know $\frac u2$ will fall between π/4 and π/2, so both $\sin\frac u2$ and $\cos\frac u2$ will be positive. Then we find

$\cos\dfrac u2=\sqrt{\dfrac{1+\cos u}2}=\dfrac35$

$\sin\dfrac u2=\sqrt{\dfrac{1-\cos u}2}=\dfrac45$

and it follows that

$\tan\dfrac u2=\dfrac{\sin\frac u2}{\cos\frac u2}=\dfrac43$

8 0

4 years ago

8/9÷3= 7/8 1/5 8/27 2/3

natima [27]

8/9 divided by 3 = 8/27

have a wonderful day! the steps are down below! :)

4 0

3 years ago

Solve Fast. I will give brainliest.

Naddika [18.5K]

Answer: 2/3
Explanation: the rise is 12 and the run is 18, simplified that is 2/3

8 0

3 years ago

Read 2 more answers

Could someone solve this for me.

Studentka2010 [4]

The answer is 7.6 units

5 0

3 years ago

Sam is measuring the velocity of a car at different times. After two hours, the velocity of the car was 50km/h. After six hours,

netineya [11]

You are given the time and speed so from there you can get the points (2,50) and (6,54) once you got that you can see how the slope is 1 and
b=48
x-y=-48 (standard form)

part B=
1 49
2 50
3 51
4 52
5 53
6 54
7 55

3 0

4 years ago