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Genrish500 [490]
3 years ago
12

Is (2,-5) is an answer to 4+3x=-2y

Mathematics
1 answer:
bearhunter [10]3 years ago
4 0
Yes. For example x=-1 and y=-1/2
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HELP MEEEEEEE PLEASE
dedylja [7]
The first option and the third one
8 0
3 years ago
The amount of money spent weekly on cleaning, maintenance, and repairs at a large restaurant was observed over a long period of
Ipatiy [6.2K]

Answer:

a) 0.4121

b) $588

Step-by-step explanation:

Mean μ = $633

Standard deviation σ = $45.

Required:

a. If $646 is budgeted for next week, what is the probability that the actual costs will exceed the budgeted amount?

We solve using z score formula

= z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

For x = $646

z = 646 - 633/45

z = 0.22222

Probability value from Z-Table:

P(x<646) = 0.58793

P(x>646) = 1 - P(x<646) = 0.41207

≈ 0.4121

b. How much should be budgeted for weekly repairs, cleaning, and maintenance so that the probability that the budgeted amount will be exceeded in a given week is only 0.16? (Round your answer to the nearest dollar.)

Converting 0.16 to percentage = 0.16 × 100% = 16%

The z score of 16%

= -0.994

We are to find x

Using z score formula

z = (x-μ)/σ

-0.994 = x - 633/45

Cross Multiply

-0.994 × 45 = x - 633

-44.73 = x - 633

x = -44.73 + 633

x = $588.27

Approximately to the nearest dollar, the amount should be budgeted for weekly repairs, cleaning, and maintenance so that the probability that the budgeted amount will be exceeded in a given week is only 0.16

is $588

7 0
3 years ago
PLZ I WILL MARK BRAINLEST I NEED HELP PLZZ​
vovangra [49]

Answer:

-8 i think

Step-by-step explanation:

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2 years ago
Determine the number of terms there are in the finite arithmetic sequence.<br> 16,21,26,...91
andreyandreev [35.5K]
The right answer is 15 :)
4 0
3 years ago
Read 2 more answers
A pair of shoes is on sale for 24%off if the original price was 300 find th sale price
gizmo_the_mogwai [7]
Convert your percent to a decimal: .24
Multiply your cost and decimal
300 * .24 = 72
Subtract
300-72 = 228
6 0
3 years ago
Read 2 more answers
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