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Makovka662 [10]
3 years ago
14

PLS HELP ME ON THIS QUESTION

Mathematics
1 answer:
Gelneren [198K]3 years ago
3 0

Answer:

24

Step-by-step explanation:

2|5 means 25, so

1|2 = 12

1|3 = 13

1|5 = 15

2|8 = 28

2|8 = 28

3|0 = 30

4|2 = 42

there are 7 numbers, so mean = (sum)/count = (sum) /7

= (12+13+15+28+28+30+42) / 7 = 24 for our answer

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ElenaW [278]

Answer:

4.5

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7 1/5 = 7.2 and 1 3/5= 1.6

so, 7.2/1.6= 4.5

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3 years ago
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What is the range of the function y = StartRoot x + 5 EndRoot?
telo118 [61]

Answer:

y greater-than-or-equal-to 0

Step-by-step explanation:

we know that

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we have

y=\sqrt{x+5}

Remember that the radicand of the function must be greater than or equal to zero

so

x+5\geq 0

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For x=-5

y=\sqrt{-5+5}=0

so

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4 0
3 years ago
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The surface area of two hemispheres are in the ratio 64: 121. Find the ratio of<br> their radii
Blababa [14]

Answer:

5:7

Step-by-step explanation:

Let the radius of first hemisphere be 'r' units

Let the radius of second hemisphere be 'R' units

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r^2 / R^2 = 25 / 49

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Please solve<br>I really need help​
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9514 1404 393

Answer:

  x = 12

Step-by-step explanation:

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  AB/BC = FE/EC

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7 0
3 years ago
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