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PolarNik [594]
3 years ago
15

What is another way to write the ratio 3 to 10 ?

Mathematics
1 answer:
ruslelena [56]3 years ago
4 0
I think its 3:10, I haven't done ratios in a while.

Hope this helped :)
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What are the terms in the expression 4 + 9V +6w?
spayn [35]

Answer:

4, 9v, and 6w

Step-by-step explanation:

I'm pretty sure it's right

4 0
2 years ago
7/12 - □ = 1/6<br><br><br>□ = ________​
xz_007 [3.2K]
The answer is 5/12 because 1/6 converts to 2/6 and 7/12-2/6 is equal to 5/12
4 0
3 years ago
Find the area of a trapezoid with bases of 15cm and 6 cm and a height of 1/5cm
NNADVOKAT [17]
Area = 0.5 x (a+b) x h

= 0.5 x (15cm + 6cm) x 1/5cm
= 0.1 x 21cm
=2.1cm^2  (2.1 centimeters squared)
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3 years ago
Read 2 more answers
Construct a 99% confidthence interval for the population mean .Assume the population has a normal distribution. A group of 19 ra
Kobotan [32]
<h2>Answer with explanation:</h2>

Confidence interval for mean, when population standard deviation is unknown:

\overline{x}\pm t_{\alpha/2}\dfrac{s}{\sqrt{n}}

, where \overline{x} = sample mean

n= sample size

s= sample standard deviation

t_{\alpha/2} = Critical t-value for n-1 degrees of freedom

We assume the population has a normal distribution.

Given, n= 19 , s= 3.8 , \overline{x}=22.4

\alpha=1-0.99=0.01

A) Critical t value for \alpha/2=0.005 and degree of 18 freedom

t_{\alpha/2} = 2.8784

B) Required confidence interval:

22.4\pm ( 2.8744)\dfrac{3.8}{\sqrt{19}}\\\\=22.4\pm2.5058\\\\=(22.4-2.5058,\ 22.4+2.5058)=(19.8942,\ 24.9058)\approx(19.9,\ 24.9)

Lower bound = 19.9 years

Uppen bound = 24.9 years

C) Interpretation: We are 99% confident that the true population mean of lies in (19.9, 24.9) .

5 0
3 years ago
A stock brokerage has four computers that are used for making trades on the New York Stock Exchange. The probability that a comp
frutty [35]

Answer:

625/100,000,000 or 6.25 out of one million

Step-by-step explanation:

(0.005)^4 = .000000000625  =  625/100,000,000

5 0
2 years ago
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