Please help me 30 points (please don't comment unless its answer :

Mathematics

1 answer:

Irina-Kira [14]3 years ago

6 0

Answer: it would be 1.578 times 10^-6125

Or 1.578 times 10^-1230

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Factor completely.

Serga [27]

Factor the polynomial:

4u² – 20u + 25

Rewrite – 20u as – 10u – 10u, and then factor it by grouping:

= 4u² – 10u – 10u + 25

= 2u * (2u – 5) – 5 * (2u – 5)

= (2u – 5) * (2u – 5)

= (2u – 5)² <––– this is the answer.

I hope this helps. =)

5 0

3 years ago

018 10.0 points

Elina [12.6K]

Answer:

what grade

Step-by-step explanation:

7 0

3 years ago

The number of flaws per square yard in a type of carpet material varies with mean 1.4 flaws per square yard and standard deviati

oksian1 [2.3K]

According to the Central Limit Theorem, the distribution of the sample means is approximately normal, with the mean equal to the population mean (1.4 flaws per square yard) and standard deviation given by:
$\frac{\sigma}{ \sqrt{n} }=\frac{1.2}{ \sqrt{178} }=0.09$
The z-score for 1.5 flaws per square yard is:
$z=\frac{1.5-1.4}{0.09}=1.11$
The cumulative probability for a z-score of 1.11 is 0.8665. Therefore the probability that the mean number of flaws exceeds 1.5 per square yard is
1 - 0.8665 = 0.1335.

6 0

3 years ago

As i turned out, avery spent 5 hours per day driving and drove a total of 5565 miles. what was his average speed for the hours h

soldi70 [24.7K]

He drove 1113 per hour.

6 0

2 years ago

Can anyone help me out on this

Rashid [163]

Answer: y=x+60

So y=mx+b is slope intercept form

y=x+60

m=1/1 because we go equally up as we go right so just put x

b=60 because we start at 60

Hope this helps

4 0

3 years ago

Please help me *30 points* (please don't comment unless its answer :

Please help me 30 points (please don't comment unless its answer :