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ozzi
3 years ago
9

HELP MEE PLEASEE

Mathematics
2 answers:
scoray [572]3 years ago
7 0
254 mm = 25.4 cm = .254 m
Bond [772]3 years ago
4 0

Step-by-step explanation:

254mm = 25.4 cm = 0.254 m

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A sample of 100 footballs showed an average air pressure of 13 psi. The standard deviation of the population is known to be .25
Vladimir79 [104]

Answer:

0.025 is the standard error of mean.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 100

Sample mean = 13 psi

Population standard deviation = 0.25 psi

We have to find the standard error of the mean.

Formula:

Standard error =

\dfrac{\sigma}{\sqrt{n}} = \dfrac{0.25}{\sqrt{100}} = \dfrac{0.25}{10} = 0.025

0.025 is the standard error of mean.

7 0
4 years ago
Approximate, in feet, the circumference of a circle with radius = 6 ft. (Round your answer to one decimal place.)
Viktor [21]

Answer:

37.7

Step-by-step explanation:

Circumference of circle =2pir

I took pi=3.14

C=2xpix6=37.7square ft

8 0
3 years ago
PLS help whats 800000000.0%x9000000.0%=p\
viktelen [127]

Answer: 720,000,000,000

Step-by-step explanation: Find your answer by multiplying the 2 percent's.

Let p, equal percent.

800000000.0%x9000000.0% = p

800000000.0%x9000000.0% = 720,000,000,000

720,000,000,000  = p

5 0
3 years ago
Can someone please help? i’ll make you a brainliest.
Darya [45]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
What equation is equivalent to y+2 = -2(x-3) in slope intercept form
Temka [501]

Answer:

-x+y+5

Step-by-step explanation:

7 0
4 years ago
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