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Alja [10]
2 years ago
7

Here are the test scores for 10 students in Mr. P's class.

Mathematics
1 answer:
lutik1710 [3]2 years ago
7 0
  • We need mean

\\ \rm\hookrightarrow Mean=\dfrac{Sum}{n}

\\ \rm\hookrightarrow \dfrac{59+94+57+87+75+90+82+57+65+77}{10}

\\ \rm\hookrightarrow 74.3\%

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A wine store conducted a study. It showed that a customer does not tend to buy more or fewer bottles when more samples are offer
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3 years ago
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15. The height and yolume of a cylinder are 4cm and 616cm respectively. Calculate the diameter of the base. (take t = 27 쪽 A. 7c
irakobra [83]

Step-by-step explanation:

Given that,

  • Height of cylinder = 4 cm
  • Volume of cylinder = 616 cm³

To find,

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Firstly we'll find the base radius of the cylinder.

\longmapsto\rm{V_{(Cylinder)} = \pi r^2h}\\

<u>Accordi</u><u>ng</u><u> </u><u>to</u><u> </u><u>the</u><u> </u><u>qu</u><u>estion</u><u>,</u>

\longmapsto\rm{616= \dfrac{22}{7} \times r^2 \times 4}\\

\longmapsto\rm{616 \times 7 = 22 \times r^2 \times 4}\\

\longmapsto\rm{4312 = 88 \times r^2 }\\

\longmapsto\rm{\cancel{\dfrac{4312}{88}} =  r^2 }\\

\longmapsto\rm{49 =  r^2 }\\

\longmapsto\rm{\sqrt{49} =  r }\\

\longmapsto\rm{7 \; cm =  r }\\

Now,

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The required answer is 14 cm.

4 0
3 years ago
What addition statement does this show?
Anuta_ua [19.1K]

Answer:

D. –5.2 + (–6.4) = –11.6

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Then, you look at the second arrow, the green one. It is pointing left, so it would be -6.4.

I hope this helps :)

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fredd [130]

Answer:b

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