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4 years ago

In what quadrant does the angle -8pi/5 terminate?

Mathematics

2 answers:

Kipish [7]4 years ago

8 0

72 degrees, 1st quadrant

Katyanochek1 [597]4 years ago

4 0

It ends in quadrant 1.
Since it's negative you go clockwise from (1, 0). And pi/5 = 36 degrees. 36 * 8 is 288 degrees, and since it's a negative angle, it'll go all the way around the unit circle to the 1st quadrant.

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Parker's Pet Parlor sold an average of

siniylev [52]

17x6=102 total pets sold over 6 days

19+21+6+17+11=74 total pets sold within the first 5 days

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3 years ago

Can Someone Explain how to do this.<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B7%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7

nadezda [96]

Step-by-step explanation:

$\frac{5}{7} + \frac{1}{3} \\ \\ = \frac{5 \times 3}{7 \times 3} + \frac{7}{3 \times 7} \\ calculate \: the \: product \: or \: quotient \\ \\ = \frac{15}{21} + \frac{17}{21} \\ write \: the \: numberators \: over \: \\ common \: denominator \\ \\ = \frac{15 + 7}{21} \\ \\ = \frac{22}{21}$

it's was helpful to you

8 0

3 years ago

Read 2 more answers

If a vector pointing upward has a positive magnitude, a vector pointing downward has a negative magnitude. True or false?

Sidana [21]

Answer:

The statement is false.

Step-by-step explanation:

For any vector 'r' we have

$\overrightarrow{r}=x\widehat{i}+y\widehat{j}+z\widehat{k}$

The magnitude is given by

$|r|=\sqrt{x^{2}+y^{2}+z^{2}}..........(i)$

As we know that the upon squaring a term the result is always positive thus the term in right side of equation i is always positive no matter weather the terms (x,y,z) are positive or negative hence we conclude that magnitude of any vectorial quantity is always positive irrespective of it's direction.

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3 years ago

HELP plz 20 pionts PLZ HELP me PLZ HELP me

k0ka [10]

A) every 50 students is 1 representative, so:

r = (a+b+c+d+e)/50

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Our answer makes sense since for every representative, there are 50 students. And 50*124 = 6200 total students.

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3 years ago

Read 2 more answers

What is the value of the expression 4b2+11 when b=5?

fomenos

Step-by-step explanation:

The value of the expression 4b^2+11 when b=5 is

4×5^2+11

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3 years ago