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kumpel [21]
3 years ago
14

I don't understand this ​

Mathematics
1 answer:
Brut [27]3 years ago
8 0

Y=mx+b

b=y-intercept (what y is when x is 0)

b= -7

m=slope

m=change in y divided by change in x

m=(y2-y1)/(x2-x1)

m=(17-5)/(4-2)

m=12/2

m=6

Y=mx+b

Y=4x+(-7)

Y=4x-7

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Korolek [52]
<span>p=210e^(0.0069*20)
'e' is a mathematical constant equal to 2.718281828459
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<span>0.0069*20 = .138

e^.138 =
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<span>2.718281828459^.138 =
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<span> <span> <span> 1.1479755503 </span> </span> </span>
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5 0
3 years ago
What is 100 in pi form?
Tema [17]
That would be 314 because 100xpi
8 0
3 years ago
Read 2 more answers
Simplify 2 +5 + (-4 +i)
rodikova [14]

Answer:

the answer is 4 because

2+5+(-4+1)

= 7+(-3)

=7-3

=4

4 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
Im having some trouble with this and have no idea
AlladinOne [14]

Answer:

Step-by-step explanation:

x+10=0

x=-10

so vertex is (-10,-105)

7 0
3 years ago
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