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ziro4ka [17]
3 years ago
12

I need help any help is appreciated please

Mathematics
1 answer:
Eva8 [605]3 years ago
4 0

Answer:

third option both cost the same after 2 months

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A certain large manufacturing facility produces 20,000 parts each week. The manager of the facility estimates that about 1% of t
Slav-nsk [51]

Answer:

198 is the variance for the number of defective parts made each week.      

Step-by-step explanation:

We are given the following in the question:

Number of parts produced each week =  20,000

Percentage of defective parts = 1%

We have to calculate the variance for the number of defective parts made each week.

We treat defective part as a success.

P(Defective part) = 1% = 0.01

p = 0.01

Then the number defective parts follows a binomial distribution .

Formula for variance =

\sigma^2 = np(1-p) = 20000(0.01)(1-0.01) = 198

Thus, 198 is the variance for the number of defective parts made each week.

8 0
3 years ago
Which is the graph of the equation y-3=0.5(x+4)?<br><br>Need help​
stiv31 [10]

Answer:

Top row 2nd one

Step-by-step explanation:

Distrube out .5 first and the equation will be .5x+2

Then add 3 to both sides and you get y=.5x+5

3 0
3 years ago
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HELP PLS (picture below)
jolli1 [7]
The answer is C
5.26x10^3 = 5,260
4 0
3 years ago
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Which expression is equivalent to 2x2+(4x-6x2)+9-(6x+3)
olya-2409 [2.1K]

Answer:

-4x^2 -2x+6

Step-by-step explanation:

2x^2+(4x-6x^2)+9-(6x+3)

Distribute the minus sign

2x^2+4x-6x^2+9-6x-3

Combine like terms

2x^2 -6x^2 +4x -6x +9-3

-4x^2 -2x+6

8 0
3 years ago
How do I do place value with whole numbers
mario62 [17]

Short answer: the same way you do it with any other kind of numbers.

"Place value" means the value of a number comes from where it is (its place) in relation to the decimal point. The digit immediately to the left of the decimal point is the units digit, so tells you the number of units represented.

Each digit to the left of the units digit has a place value that is 10 times that of the digit to its right. Each digit to the right of the units digit (hence to the right of the decimal point) has a place value that is 1/10 that of the digit to its left.

The places have names (see attached).

_____

You can find the place value of a digit by setting all the other digits in the number to zero. For example, the place value of 2 in the number 324 is 020, or 20.

5 0
3 years ago
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