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ioda
3 years ago
15

Round 21 to the nearest hundreds?

Mathematics
1 answer:
evablogger [386]3 years ago
5 0
When you think about it, 21 is closest to 100.
This is the nearest hundred. 

Hope this helps!
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Select the symbol that accurately replaces the ? Evaluate | -17 | ? | -16|
Yakvenalex [24]
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3 years ago
100 POINTS! NEED HELP QUICKLY! Look at picture below
Delvig [45]

Answer:

60, 75

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Step-by-step explanation:

csc 4 theta = -2 sqrt(3)/3

Write in terms of sin

1/ sin (4 theta) = -2 sqrt(3)/3

Using cross products

-2 sqrt(3) = 3 sin (4 theta)

Divide each side by 3

-2 sqrt(3)/3 =  sin (4 theta)

Take the inverse sin on each side

sin ^ -1(-2 sqrt(3)/3) = sin ^ -1 (sin (4 theta))

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and 300 +360n = 4 theta  where n is an integer

Dividing each side by 4

240/4 +360n/4 = 4/4 theta  and   300/4 +360n/4 = 4/4 theta

60 + 90n = theta      and 75 +90n = theta

We want all the values between 0 and 360

Let n=0

60, 75

n=1

60+90=150  and 75+90 =165

n=2

60+180= 240   75+180=255

n=3

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7 0
3 years ago
Why does the unit of time enter twice in the unit of acceleration?
AfilCa [17]
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hope this is understandably sure easy for you 
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3 years ago
Read 2 more answers
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mafiozo [28]

Answer:

c.  There is no difference in the length between male and female babies

Step-by-step explanation:

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3 0
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maks197457 [2]
The answer to question 18 is C. and the answer to question 19 is B
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