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galina1969 [7]
3 years ago
12

Hey Please help me with these two questions! TYSM!

Mathematics
2 answers:
Nata [24]3 years ago
8 0

Answer:

1. 5.28

2. 4.3

Step-

by-step explanation:

harkovskaia [24]3 years ago
5 0

Answer:

9). 5          10) . -6

Step-by-step explanation:

i did this already lol :))

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PLEASE HURRY ;-;
katovenus [111]

Answer:

do you go to palcs too?

Step-by-step explanation:

3 0
2 years ago
-5(x+2y)+15(x+2y);x7and y=-7
Nat2105 [25]
I believe your answer should be 105x squared-1475x+70
sorry i'm not really sure how to put the little two above the first x but my answer is mathematically correct.
6 0
2 years ago
What is the equation of the line that passes through the point (-2, -1) and has a<br> slope of ?
enot [183]

Answer:

10

Step-by-step explanation:

6 0
3 years ago
Suppose that your business is operating at the 4.5-Sigma quality level. If projects have an average improvement rate of 50% annu
Luda [366]

Answer:

  11.75 years

Step-by-step explanation:

If we ignore the fact that "6-sigma" quality means the error rate corresponds to about -4.5σ (3.4 ppm) and simply go with ...

  P(z ≤ -6) ≈ 9.86588×10^-10

and

  P(z ≤ -4.5) ≈ 3.39767×10^-6

the ratio of these error rates is about 0.000290372. We're multiplying the error rate by 0.5 each year, so we want to find the power of 0.50 that gives this value:

  0.50^t = 0.000290372

  t·log(0.50) = log(0.00290372) . . . . take logarithms

  t = log(0.000290372)/log(0.50) ≈ -3.537045/-0.301030

  t ≈ 11.75

It will take about 11.75 years to achieve Six Sigma quality (0.99 ppb error rate).

_____

<em>Comment on Six Sigma</em>

A 3.4 ppm error rate is customarily associated with "Six Sigma" quality. It assumes that the process may have an offset from the mean of up to 1.5 sigma, so the "six sigma" error rate is P(z ≤ (1.5 -6)) = P(z ≤ -4.5) ≈ 3.4·10^-6.

Using that same criteria for the "4.5-Sigma" quality level, we find that error rate to be P(z ≤ (1.5 -4.5)) = P(z ≤ -3) ≈ 1.35·10^-3.

Then the improvement ratio needs to be only 0.00251699, and it will take only about ...

  t ≈ log(0.00251699)/log(0.5) ≈ 8.6 . . . . years

5 0
3 years ago
5÷921 with a remainder
choli [55]

Answer:

184 R 1

Step-by-step explanation:

= 184 R 1

= 184 1/5

921 divided by 5 equals

184 with a remainder of 1

mark brainliest

6 0
3 years ago
Read 2 more answers
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