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Kitty [74]
3 years ago
5

Find the volume of a ball with a radius of 7cm.

Mathematics
1 answer:
azamat3 years ago
7 0

Answer:

1436.7550402417cm³

Explanation:

Formula for volume: \bold{\frac{4}{3} \ \pi \ r^3}

π = 3.14

R = 7

4/3 · 3.14 · 343

= 1436.7550402417cm³

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A bag has four green marbles, three red marbles, and three yellow marbles. What is the probability that you pick a red marble, d
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Claire cut some apples into eighths. She and her friends ate all but 17 pieces. How many whole apples and parts of apples did sh
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ADDING FRACTIONS:
bazaltina [42]

Here is your answer:

  • \frac{4}{11} + \frac{3}{8}
  • \frac{4}{11}\times 8 = \frac{32}{88}+\frac{3}{8} \times 11 =\frac{33}{88}
  • 32 + 33 = 65 =\frac{65}{88}
  • = \frac{65}{88}

Therefore the answer is "65/88."

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The response to a question has three alternatives: A, B, and C. A sample of 120 responses provides 60 A, 12 B, and 48 C. Show th
zimovet [89]

Answer:

CLASS     FREQUENCIES     RELATIVE FREQUENCIES

A                        60                                 0.5

B                        12                                  0.1

C                        48                                 0.4

TOTAL              120                                  1

Step-by-step explanation:

Given that;

the frequencies of there alternatives are;

Frequency A = 60

Frequency B = 12

Frequency C = 48

Total = 60 + 12 + 48 = 120

Now to determine our relative frequency, we divide each frequency by the total sum of the given frequencies;

Relative Frequency A = Frequency A / total = 60 / 120 = 0.5

Relative Frequency B = Frequency B / total = 12 / 120 = 0.1

Relative Frequency C = Frequency C / total = 48 / 120 = 0.4

therefore;

CLASS     FREQUENCIES     RELATIVE FREQUENCIES

A                        60                                 0.5

B                        12                                  0.1

C                        48                                 0.4

TOTAL              120                                  1

5 0
2 years ago
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