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2 years ago

How do you write equations for three lines that contain the point (0, 2)?

1 answer:

7 0

First we see points like (0,2) in place x is 0 and y is 2 so we write equation is 0 +2=2 so, x+y= 2
2×0+2= 2 so, 2x + y = 2
0 + 2×2=4 so, x+ 2y =4

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The batteries from a certain manufacturer have a mean lifetime of 850 hours, with a standard deviation of 70 hours, assuming tha

matrenka [14]

To answer (a), we will need to find the Z value for 710 hours and 990 hours.

$\begin{gathered} For\text{ 710} \\ Z\text{ = }\frac{x-\mu}{\sigma} \\ \text{ = }\frac{710-850}{70} \\ \text{ = -2} \\ p\text{ =0.0228 } \\ For\text{ 990:} \\ Z\text{ = }\frac{990-850}{70} \\ \text{ =2} \\ p\text{ = 0.9772} \end{gathered}$ $\begin{gathered} To\text{ find P \lparen–2 \le Z \le 2\rparen} \\ =\text{ 0.9772 -0.0228} \\ =\text{ 0.9544} \\ =95.44\% \end{gathered}$

B) 68% of data lies between one standard deviation of the mean.

850 +70 = 920

850 - 70 = 780

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1 year ago

What is X equal to ?

yanalaym [24]

Answer:

the two possibilities are either 35.5m orrr 65m

Step-by-step explanation:

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3 years ago

Multiply the two polynomials and write your answer in Standard form -3x(4x-2)

Tatiana [17]

Answer:

Step-by-step explanation:

-3x(4x-2)

-3*-8

+24

-*-=+

+*-=-

-*+=-

3 0

2 years ago

Read 2 more answers

This is the picture that goes with my question.

german

Answer:

first u should make your equation: y= -1/5 (x-5) - 3

y= -1/5x +1 -3

y= -1/5 x -2

then u should setting some number like 1 ,2 ..... instead of *x* and when u done this u should dissolve it (now your *y* is came out too) so you have your x,y now

According to the points you get, you put it on the chart and connect it

if you do not understand something, tell me to draw on paper so you can understand better

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3 years ago

At the new light bulb plant, 9 out of 25 light bulbs produced are defective. If the daily production is 4400 light bulbs, how ma

levacccp [35]

1584 lightbulbs would be defective out of 4400

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3 years ago