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vlada-n [284]
3 years ago
15

No links or i'll report

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0

Answer:

D

Step-by-step explanation:

you need to ask as many people as possible you cant just choose one grade. you need to sample multiple grades

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What is the measure?
Anna007 [38]

Answer:

70-45

Step-by-step explanation:

becauae w= 70-45 and w+45=70

4 0
3 years ago
How many digits are there in the repeating block for the decimal equivalent<br> of 3 over 7?
Sindrei [870]

Step-by-step explanation:

\text{By long division, we know that}

\frac37=0.425871425871425871\ldots

\text{Observing the pattern, we know the repeating block is }\overline{425871}\text{. Therefore, there are 6 digits in the repeating block}

7 0
3 years ago
How many times greater is 1 kilogram than 1 microgram?
OLga [1]
1 kilogram
1 * 10^3 gram

1 microgram
1 * 10^-3 gram

1 kilogram / 1 microgram
10^3 / 10^-3
10^6
3 0
3 years ago
Read 2 more answers
Last one cause i almost ran out of points :c
nika2105 [10]

Answer:

commutative property

Step-by-step explanation:

an example is 3.4 = 4.3

4 0
2 years ago
Read 2 more answers
The scores on an entrance exam to a university are known to have an approximately normal distribution with mean 65% and standard
emmasim [6.3K]

Answer:

The correct answer is - C. 24.1%

Step-by-step explanation:

Given:

mean μ = 65%

standard deviation δ = 7.1 %

solution:

Prob( X>70) = 1 - Prob(x<70)  

= P (x-μ/δ ≥ 70 -65/7.1)

= 1 - Prob( (70-65)/7.1)

= 1 - Prob ( z < 0.7042553)

= 0.24065

the percentage of students scoring 70 or more in the exam

= 24.065*100

= 24.1%

4 0
2 years ago
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