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denpristay [2]
3 years ago
11

What is 4- 1 1/4 + 1/2

Mathematics
1 answer:
lozanna [386]3 years ago
3 0

Step-by-step explanation:

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The number of hours a lightbulb burns before failing varies from bulb to bulb. The population distribution of burnout times is s
liubo4ka [24]

ANSWER:

The average burnout time of a large number of bulbs has a sampling distribution that is close to Normal.

STEP-BY-STEP EXPLANATION:

The cental limit theorem states, that id the sample size is large (30 or more), then the sampling distribution of the sample means is approximately normal with mean ц and standar deviation б/\sqrt{n}

Thus the correct answer is the average burnout time of a large number of bulbs has a sampling distribution that is close to Normal.

6 0
3 years ago
Brainliest + Points!
LenaWriter [7]
Hey refer to attachment!!!

Draw straight line from 220 (in thousands ) to the plotted line. Draw line parallel to x-axis from point where it touches the plotted line to the y -axis.

It'll automatically meet at 500 which is the answer..

All you need to do is to see the graph carefully.

Hope it helps *_*

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3 years ago
Identify the equation of the graph shown. A) y = 2x + 3 B) y = 2x - 3 C) y = -2x + 3 D) y = -2x - 3 4)
Anna35 [415]

Answer:

The answers provided aren't reasonable for this graph.

Step-by-step explanation:

The graph's y-intercept is -2, since that is the point where the line intersects the y-axis. The slope is 3x, because the distance from one point to the next is 3 up, 1 right. So the equation for the graph is y = 3x - 2.

4 0
3 years ago
Tickets for a play cost $4 for each child and $8 for each adult. If there are only 20 children's tickets sold, which of the foll
dimaraw [331]
What are the answer choices?
8 0
2 years ago
If two angles in a triangle measure 35 degrees and 47 degrees, what is the value of the third angle?
Furkat [3]

Answer:

278

Step-by-step explanation:360-82=278

8 0
3 years ago
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