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3 years ago

PLEASE HELP ME ITS DUE TODAY!! PLS SHOW WORK OR EXPLAIN!!

Mathematics

2 answers:

maria [59]3 years ago

5 0

Answer:

(-3, -0.5)

first put the points, then just draw the line that goes throw that row of dots.

bonufazy [111]3 years ago

4 0

Step-by-step explanation:

so this isnt very complicated, you need to put the points on the coordinate plane (the grid) and find where they meet coordinates (written starting with the x and ending with the y are written like this: (x,y))

go to the bottom line (x axis) and find the number in the x row on the page, then take the vertical line and go until the two ends meet,repeat that until there are no more coordinates to graph on the left box draw a straight line for all of the coordinates do the same with the other box drawing a line whre the other coordinates. if done right the lines should intersect, and the intersecting point is the answer

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Anwser for brainlist

skelet666 [1.2K]

Answer: 150.7

Step-by-step explanation:

the second 6 rounds up, since it is over 5. so, that makes the 6 round up to a 7. so, your answer is 150.7

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3 years ago

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kobusy [5.1K]

What’s the question?

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3 years ago

Certain tubes manufactured by a company have a mean lifetime of 800 hours and a standard deviation of 60 hours. Find the probabi

Anna71 [15]

Answer:

Step-by-step explanation:

given that certain tubes manufactured by a company have a mean lifetime of 800 hours and a standard deviation of 60 hours.

Sample size n =16

Std error of sample mean = $\frac{\sigma}{\sqrt{n} } \\= 15$

x bar follows N(800, 15)

the probability that a random sample of 16 tubes taken from the group will have a mean lifetime

(a) between 790 and 810 hours,

= $P(790$

(b) less than 785 hours

$=P(X$

, (c) more than 820 hours,

$=P(X>820)\\=p(Z>1.333)\\= 0.0913$

(d) between 770 and 830 hours

= $P(|Z|$

4 0

3 years ago

If f(x) = x2 – 3, then f(-1) is equivalent<br> to

zloy xaker [14]

Answer:

negative 5. or -5

Step-by-step explanation:

f(-1)= (-1)2-3

2 times -1= -2

-2-3= -5

f= -5

7 0

3 years ago

Read 2 more answers

Look at the picture and plzz help me and also pick from the boxed sentences

poizon [28]

<h2>Hello!</h2>

The answers are:

3. Addition property of equality

4. $6x-7+7=12+7$ - Simplification

7. $x=\frac{19}{6}$

To solve the problem, we need to start with the result of the second step:

$6x-7=12$

So,

For the step 3:

Then, for the 3rd step, we have to apply the addition property of equality.

The addition property of equality states that if we add a term to one side of the equality, we need to add it to the other side of the equality, in order to not alterate the equality.

Then, applying the property, we have:

$6x-7=12$

Adding 7 to both sides, we have:

$6x-7+7=12+7$

For the step 4:

Now, for the 4th step, we have to simplify the expression:

$6x-7+7=12+7$

Then, simplifying, we have:

$6x=19$

For the step 7:

Simplificating, we divide each side of the equality by 6:

$\frac{6x}{6}=\frac{19}{6} \\\\x=\frac{19}{6}$

Have a nice day!

3 0

4 years ago