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gizmo_the_mogwai [7]
2 years ago
14

Can someone help please

Mathematics
1 answer:
alukav5142 [94]2 years ago
6 0

Answer:

A:(3x4)+(2x6)=24

B:30-(2x6)

C:(40/((4+1)/3=24

D:(20+1)+(2+1)=24

E:(6x6)-(4x3)=24

I hope that was helpful! :)

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30r + –20 = 760 r = _____
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Answer:

r = <u>26</u>

Step-by-step explanation:

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The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The d
kozerog [31]

Answer: 49.85%

Step-by-step explanation:

Given : The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped ( normal distribution ) and has a mean of 61 and a standard deviation of 9.

i.e.  \mu=61 and \sigma=9

To find :  The approximate percentage of lightbulb replacement requests numbering between 34 and 61.

i.e. The approximate percentage of lightbulb replacement requests numbering between 34 and 34+3(9).

i.e. i.e. The approximate percentage of lightbulb replacement requests numbering between \mu and \mu+3(\sigma). (1)

According to the 68-95-99.7 rule, about 99.7% of the population lies within 3 standard deviations from the mean.

i.e. about 49.85% of the population lies below 3 standard deviations from mean and 49.85% of the population lies above 3 standard deviations from mean.

i.e.,The approximate percentage of lightbulb replacement requests numbering between \mu and \mu+3(\sigma) = 49.85%

⇒ The approximate percentage of lightbulb replacement requests numbering between 34 and 61.= 49.85%

4 0
2 years ago
Which equation represents the slope-intercept form of the line below?
steposvetlana [31]

Answer:

y=\frac{1}{4} x-5

Step-by-step explanation:

Slope intercept from is represented as :

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So, plugging in the numbers it would look like this :

y=\frac{1}{4} x-5

Hope this helps. Please mark brainliest!

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3 years ago
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Answer:

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Step-by-step explanation:

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the angles are 80 degrees and 100 degrees
8 0
2 years ago
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