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a_sh-v [17]
3 years ago
13

Summarize HOW you know how many solutions a System has

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

I know that solutions of a system has different kinds of ways on how to fix the problem.

Step-by-step explanation:

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The weekly amount of money spent on maintenance and repairs by a company was observed, over a long period of time, to be approxi
bazaltina [42]

Answer:

$425.6 should be budgeted for weekly repairs and maintenance.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean $400 and standard deviation $20.

This means that \mu = 400, \sigma = 20

How much should be budgeted for weekly repairs and maintenance to provide that the probability the budgeted amount will be exceeded in a given week is only 0.1?

This is the 100 - 10 = 90th percentile, which is X when Z has a p-value of 0.9, so X when Z = 1.28.

Z = \frac{X - \mu}{\sigma}

1.28 = \frac{X - 400}{20}

X - 400 = 20*1.28

X = 425.6

$425.6 should be budgeted for weekly repairs and maintenance.

6 0
3 years ago
HELP NOW!! I NEED AN EXPLANATION ON HOW TO DO THIS!
creativ13 [48]

Answer: divide 2 and 3 then divide 3 and 4 from the answers you get divide them and simplify if necessary

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The owner of a grocery store finds she can sell about 982 gallons of milk in a week if she prices it at $2.99 per gallon. If she
julia-pushkina [17]

Answer:

  • g = -1110p +4300.9
  • 804 gallons

Step-by-step explanation:

a) Price is the independent variable, so the data we are given can be written as ...

  (price, gallons) = (2.99, 982) and (2.79, 1204)

Using the 2-point form of the equation for a line, we have ...

  g = (g2 -g1)/(p2 -p1)(p -p1) +g1

  g = (1204 -982)/(2.79 -2.99)(p -2.99) +982

  g = -1110(p -2.99) +982 = -1110p +4300.9

  g = -1110p +4300.9

__

b) When p = 3.15, the predicted sales volume is ...

  g = -1110(3.15) +4300.9 = 804.4

Weekly sales are predicted to be 804 gallons at a price of $3.15.

6 0
4 years ago
On the planet Pisquet, there are 6 elentries to every 13 corazs. If farmer Dubble has 40 corazs on her joogh farm, how many elen
Luba_88 [7]

Answer: See explanation

Step-by-step explanation:

Let the number of elentries that are on the farm be represented by x.

The information given in the question can then be formed into an equation as:

6/13 = x/40

Cross multiply.

13 × x = 6 × 40

13x = 240

x = 240/13

x = 18.46

4 0
3 years ago
Factor the GCF:-12x4y - 9x³y² + 3x²y³ (5 points)
Alinara [238K]

Answer:

 A. 3x^2y(4x2 + 3xy - y^2)

Step-by-step explanation:

 -12(x^4)y - 9x³y² + 3x²y³

 -3x²y(4x² + 3xy - y²)

5 0
2 years ago
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