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marishachu [46]

3 years ago

8

Help!!! Please I don’t know how to do it !!

2 answers:

Taya2010 [7]3 years ago

7 0

U put two dots on the line to make one

sveticcg [70]3 years ago

7 0

Graph you y intercept which is 5. and then do rise over run. from your y intercept you move up three points and to the right four. then thats where you plot your first point. to plot your second point you would do the same thing to get your first point but instead of from your y intercept you would do it from your new point.

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consider this equation sin(theta) = -4 square root of 29/29 if theta is an angle in quadrant IV what is the value of cos (theta)

MatroZZZ [7]

Answer:

$\cos(\theta)= \frac{\sqrt{377}}{29}$

Step-by-step explanation:

Given

$\sin(\theta) = -\frac{4}{\sqrt{29}}$ -- the correct expression

Required

$\cos(\theta)$

We know that:

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

Make $\cos^2(\theta)$ the subject

$\cos^2(\theta)= 1 - \sin^2(\theta)$

Substitute: $\sin(\theta) = -\frac{4}{\sqrt{29}}$

$\cos^2(\theta)= 1 - (-\frac{4}{\sqrt{29}})^2$

Evaluate all squares

$\cos^2(\theta)= 1 - (\frac{16}{29})$

Take LCM

$\cos^2(\theta)= \frac{29 - 16}{29}$

$\cos^2(\theta)= \frac{13}{29}$

Take square roots of both sides

$\cos(\theta)= \±\sqrt{\frac{13}{29}}$

cosine is positive in the 4th quadrant;

So:

$\cos(\theta)= \sqrt{\frac{13}{29}}$

Split

$\cos(\theta)= \frac{\sqrt{13}}{\sqrt{29}}$

Rationalize

$\cos(\theta)= \frac{\sqrt{13}}{\sqrt{29}} * \frac{\sqrt{29}}{\sqrt{29}}$

$\cos(\theta)= \frac{\sqrt{13*29}}{29}$

$\cos(\theta)= \frac{\sqrt{377}}{29}$

4 0

3 years ago

Can someone please help<br>equation of rational function

love history [14]

Try increasing values of x such as x = 10, x = 100, x = 1000, x = 10,000, x = 100,000.
You will see that f(x) approaches 1.5

Answer: G. 3/2

6 0

3 years ago

Fatoumata just accepted a job at a new company where she will make an annual salary of $64000. Fatoumata was told that for each

Nadya [2.5K]

Answer:

After 7 years: $81,500

If x=salary and t=years with company, then x=6400+2500t

Step-by-step explanation:

6 0

3 years ago

Don’t answer if you don’t know, plz. Thanks.

horrorfan [7]

B. I did this test too.

7 0

3 years ago

54+3-2+1-5-4-3-2-1₁. 1 2 3 4-2w[५]-3-F10XWhich function is represented by the graph?Of(x) = -x +4O f(x) = -xl-4Of(x) = -x +41O f

Reil [10]

ANSWER :

D. f(x) = -|x - 4|

EXPLANATION :

The general equation of an absolute value function is :

$f(x)=\pm a|x-h|+k$

where the sign of a indicates the opening of the graph.

If it is positive, the graph opens upward

If it is negative, the graph opens downward

and the vertex is at (h, k)

From the options, the value of a is all equal to 1.

The graph opens downward, so the sign is negative

and the vertex is at (4, 0)

That will be :

$\begin{gathered} f(x)=-|x-4|+0 \\ f(x)=-|x-4| \end{gathered}$

7 0

1 year ago