Processing math: 100%

Sarcasticcarma

3 Questions
4 Answers

0

210

0

+22

The correlation coefficient between x and y is approximately 0.848.

The correlation coefficient between x and y is approximately 0.848.
What percent of the variation in y cannot be explained by the variation in x?
Enter your answer, rounded to the nearest tenth, in the read more ..

Sarcasticcarma Oct 31, 2022

+1

241

7

+22

cosθ=−√2/6 , where π≤θ≤3π/2 .

cosθ=−√2/6 , where π≤θ≤3π/2 .
tanβ=5/12 , where 0≤β≤π/2 .
What is the exact value of sin(θ+β)?
Enter your answer, as a single fraction in simplified form, in the box. read more ..

Melody ●●●●●●●

Sarcasticcarma Oct 28, 2022

0

1

261

3

+22

Please help me, I'm having a hard time understanding this question and doing it.

cosθ=−√2/6 , where π≤θ≤3π/2 .
tanβ=5/12 , where 0≤β≤π/2 .
What is the exact value of sin(θ+β)?
Enter your answer, as a single fraction in simplified form, in the box. read more ..

Sarcasticcarma Oct 27, 2022

+22

0

Thank you so much for your answer!! I just couldn't work it out for some reason and you doing it helped me a lot!

SarcasticcarmaNov 7, 2022

+22

0

Wait so I simplified it and I got (rounded to the nearest hundred) $sin(\theta+ \beta)=-0.99$

SarcasticcarmaOct 28, 2022

+22

0

The Formula for the area of a trapezoid is $A= \frac{a+b}{2}h$ so plugging in the corresponding numbers, the area of the trapezoid is 81

SarcasticcarmaOct 13, 2022

+22

0

Ok so it's exact/simplified form is $180 \sqrt{3}$

SarcasticcarmaOct 13, 2022