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White raven [17]
3 years ago
15

What would be themost approriate cudtormy unit to measure the weight of a paper clip. ounces or pounds?

Mathematics
1 answer:
Dmitrij [34]3 years ago
6 0
Ounces would be the most accurate/appropriate to use with such a small item
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Rent and other associated housing costs, such as utilities, are an important part of the estimated costs of attendance at colleg
Anton [14]

Answer: (336.49,\ 355.51)

Step-by-step explanation:

The confidence interval for population mean is given by :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

Given : Sample size : n= 314 , which is a large sample , so we apply z-test .

Sample mean : \overline{x}=346

Standard deviation : \sigma= 86

Significance level : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

Now, a confidence interval at the 95% level of confidence will be :-

346\pm(1.96)\dfrac{86}{\sqrt{314}}\\\\\approx346\pm9.51\\\\=(346-9.51,\ 346+9.51)\\\\=(336.49,\ 355.51)

8 0
3 years ago
Find the value of y when x equals 17 -x+y=-27
notka56 [123]
Find the value of y when x equals 17 -x+y=-27
since x is equal to 17 you plug it in the equation as follows...
-17+y=-27
then you add 17 on both sides...
y=-27+17
Answer:
y=-10
6 0
3 years ago
What is the answer for "a boat travels 4 miles in 4 hours (with a constant speed). how far can it travel in 2 hours (with the sa
ElenaW [278]
4 miles in 4 hrs.....4/4 =1...thats 1 mile per hr

for 2 hrs.....at 1 mile per hr = 2 miles <==
4 0
3 years ago
Match each equation on the left to the mathematical property it uses on the right.
erma4kov [3.2K]

Answer:

The answer to your question is:

Step-by-step explanation:

(4 + 5) + 2 = 4 + (5 + 2)                     Associative property of addition

2(2x + 4) = 4x + 8                             Distributive property

( 7 x ) 3 = 7 (x 3)                                Associative property of multiplication

( 8 x 2) = (x 8 2)                                Commutative property of multiplication

( 7 + 3) + 1 = 1 + (7 + 3)                       Commutative property of addition

6 0
3 years ago
Read 2 more answers
What is 304,800,400 in expanded form?
OLga [1]

300,000,000+4,000,000+800,000+400

7 0
3 years ago
Read 2 more answers
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