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saw5 [17]
3 years ago
13

Graph y+6=4/5(x+3) using the point and slope given in the equation

Mathematics
2 answers:
Elodia [21]3 years ago
6 0
Slope is 4/5
Points are (3,6)

Your first point should be (3,6) then from that point go up 4 and 5 to the right, that should be your second point, then graph.
IrinaVladis [17]3 years ago
4 0

Answer:

(1, -6) is the correct answer!

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Which of the following are identities? Check all that apply
Natasha2012 [34]

Answer:

A, C

Step-by-step explanation:

Actually, those questions require us to develop those equations to derive into trigonometrical equations so that we can unveil them or not. Doing it only two alternatives, the other ones will not result in Trigonometrical Identities.

Examining

A) True

\frac{1-tan^{2}x}{2tanx} =\frac{1}{tan2x} \\ \frac{1-tan^{2}x}{2tanx} =\frac{1}{\frac{2tanx}{1-tan^{2}x}}\\ tan2x=\frac{1-tan^{2}x}{2tanx}

Double angle tan2\alpha =\frac{1 -tan^{2}\alpha }{2tan\alpha}

B) False,

No further development towards a Trig Identity

C) True

Double Angle Sine Formula sin2\alpha =2sin\alpha *cos\alpha

sin(8x)=2sin(4x)cos(4x)\\2sin(4x)cos(4x)=2sin(4x)cos(4x)

D) False No further development towards a Trig Identity

[sin(x)-cos(x)]^{2} =1+sin(2x)\\ sin^{2} (x)-2sin(x)cos(x)+cos^{2}x=1+2sinxcosx\\ \\sin^{2} (x)+cos^{2}x=1+4sin(x)cos(x)

7 0
3 years ago
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HELPPP MY HW IS DUE IN 5 MINUTES. WHATS 2 PLUS 2. PLZZZ ANSWER QUICKKKK
svp [43]

Answer: 4

Step-by-step explanation: 2+2 is 4

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while visiting your cousin, who lives in another state, you buy a souvenir for $12.00. upon entering the purchase price into the
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72 cents is the sales tax
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I don’t understand this can someone help it’s a practice test please show steps.
fomenos

Using the sinusoidal function, it is found that the temperature will be below 0ºC between May and August.

<h3>What is a Sinusoidal function?</h3>
  • A sinusoidal function is a function that depends on a trigonometric function, having peaks according to the period and amplitude given by this function.

The function for the average monthly temperature, in m months after January, is given by:

T(m) = 10\cos{\left(\frac{\pi}{6}\right)m} + 5

Working with elementary angles, we have that:

m = 10, T(0) = 10\cos{0} + 5 = 15

m = 3, T(3) = 10\cos{\left(\frac{\pi}{2}\right)} + 5 = 5

m = 6, T(3) = 10\cos{\pi} + 5 = -5

m = 9, T(3) = 10\cos{\left(\frac{3\pi}{2}\right)} + 5 = 5

m = 12, T(3) = 10\cos{2\pi} + 5 = 5

From this, we have that it becomes negative after March, and positive before September, removing the middle two options.

Now, we have to test for April and May, that is, m = 4 and m = 5, hence:

m = 4, T(4) = 10\cos{\left(\frac{2\pi}{3}\right)} + 5 = 0

m = 5, T(5) = 10\cos{\left(\frac{5\pi}{6}\right)} + 5 = -3.66

Negative only in May, hence the temperature will be below 0ºC between May and August.

To learn more about sinusoidal function, you can take a look at brainly.com/question/18055768

7 0
2 years ago
Total hours worked for Rachel Smiley is ______________. a.) 40 hours 15 minutes b.) 41 hours 25 minutes c.) 41 hours 35 minutes
Usimov [2.4K]

Answer:

b.

Step-by-step explanation:

hope it's help

<h2>to all</h2>
4 0
3 years ago
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