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3 years ago

Shelby made 5quarts of juice. she said that she made 1 1\4of juice.expkain her mistake

Mathematics

1 answer:

docker41 [41]3 years ago

8 0

Shelby mistake is 11;4 is not the correct mixed number

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Cos(−θ)=√3/3, sinθ<0

Delicious77 [7]

Answer:

$\sin\theta=-\frac{\sqrt{6}}{3}$

Step-by-step explanation:

The given trigonometric equation is $\cos(-\theta)=\frac{\sqrt{3} }{3}$ .

We can either use the Pythagorean identity or the right angle triangle to solve for $\sin\theta$ .

According to the Pythagorean identity,

$\cos^2\theta+\sin^2\theta=1$

Recall that, the cosine function is an even function, therefore

$\cos(-\theta)=\cos(\theta)$

$\Rightarrow \cos(\theta)=\frac{\sqrt{3} }{3}$ .

We substitute this value in to the above Pythagorean identity to get;

$(\frac{\sqrt{3}}{3})^2+\sin^2\theta=1$

$\Rightarrow \frac{3}{9}+\sin^2\theta=1$

$\Rightarrow \sin^2\theta=1-\frac{3}{9}$

$\Rightarrow \sin^2\theta=\frac{6}{9}$

$\Rightarrow \sin\theta=\pm \sqrt{\frac{6}{9}}$

$\Rightarrow \sin\theta=\pm \frac{\sqrt{6}}{3}$

But we were given that,

$\sin\theta\:$ , so we choose the negative value.

$\Rightarrow \sin\theta=-\frac{\sqrt{6}}{3}$

The correct answer is B

7 0

3 years ago

What is the latter of A- B=

ira [324]

Answer:

A???

Step-by-step explanation:

i don't understand the question

but i feel like the question you just asked is 1-2 =

i hope this helped

(i doubt it did)

7 0

3 years ago

Read 2 more answers

Can you help my brother with this question 3 pls

cricket20 [7]

They are not equivalent fractions. You will have to turn 3/4 into an 8th, so multiply it by two, (6/8) and plot that on a graph.

7 0

3 years ago

Pls help best answer will get brainiest

agasfer [191]

Answer:

Point A and point B have 11 units between

Step-by-step explanation:

If the distance between 0 and 10 is 10 also known as the absolute value, you just add one more unit because it starts at -1

So 10 + 1 = 11 and because we are using 10 is greater than 1 its positive so the answer is 11

Hope this helps :)

8 0

3 years ago

Sonny plotted the point (1,6) and used the slope -2 to find another point on the line. Which point could be the one that Sonny f

Dmitrij [34]

Answer:

2,4

Step-by-step explanation:

I could be wrong but the equation would be 6-2 and 1+1

7 0

3 years ago

Read 2 more answers