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Sauron [17]
3 years ago
12

Please help! I'm getting timed.

Mathematics
1 answer:
Kobotan [32]3 years ago
5 0
The answer is A. It has side lengths of 3.
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What is x is greater than or equal to zero
marusya05 [52]

Answer:

Step-by-step explanation:

The only thing you need to do here is to express this statement symbolically:

x ≥ 0

6 0
4 years ago
PLZ HELP PLZ PLZ PLZZZZZ
Marina86 [1]
Growing 10 inches in 2 years
8 0
3 years ago
If cos(3x)=sin(x+18degrees) what is the value of x
Dafna11 [192]
Try this option:

1. rule: cosα=sin(90°-α), it means that cos 3x=sin(90°-3x);
2. sin(90°-3x)=sin(x+18°); ⇔ 90°-3x=18°+x; ⇔ x=18°.

Answer: x=18°.
3 0
3 years ago
A journalist wants to determine the average annual salary of CEOs in the S&P 1,500. He does not have time to survey all 1,50
Sloan [31]

Answer:

Atleast 315

Step-by-step explanation:

Given that a journalist wants to determine the average annual salary of CEOs in the S&P 1,500. To save time a sample is taken.

s = sample std dev = 449300

Sample size = n

Margin of error = 50000

Z critical = 1.96

Hence 1.96*std error = 50000

std error = 25510.20

Std deviation/sqrt n = 25510.20

Simplify to get

\sqrt{n} =\frac{449300}{25510.20} =17.752\\n=315\\

So sample size should be atleast 315

8 0
3 years ago
I need help with the first two
mel-nik [20]
The work and answer provided are correct, the simpler way of doing it is

1)
1/6 page written in 1/12 of a minute
to write a full page, you would need to write 1/6, 6 times
so,
\frac{1}{6} \time 6 = 1
and
\frac{1}{12} \times 6 = \frac{6}{12} = \frac{1}{2}

so it takes 1/2 of a minute to write a full page, there are 60 seconds in a minute, 1/2 of 60 seconds is 30 seconds

same process works for question 2(use 3 instead of 6 though)
6 0
3 years ago
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