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Dominik [7]
3 years ago
6

Best gets brainly ,,,,,,,,,,,,,,,,,,,,

Mathematics
1 answer:
DochEvi [55]3 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

A

\sqrt[3]{27} = 3

Since 3 × 3 × 3 = 27

B

\sqrt{25} = ± 5

Since 5 × 5 = 25 and - 5 × - 5 = 25

C

\sqrt{81} = ± 9

Since 9 × 9 = 81 and - 9 × - 9 = 81

D

\sqrt[3]{1} = 1

Since 1 × 1 × 1 = 1

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a sign in front of a roller coaster say '' you must be 40 inches tall to ride" what percentage of 54 inches of this is?
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The 54 percentage of 40 inches is 21.6 inches
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2 years ago
Ejiro is 8yrs older than her sister the sum of their ages is64yrs what is ejiro age in years​
Alika [10]

Answer:

36

Step-by-step explanation:

Ejiro + her sister's age = 64

Ejiro is 8 years older so (64 - 8) ÷ 2 = 28 her sister is 28 years old and ejiro is 28 + 8 = 36 years old

8 0
3 years ago
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6 0
3 years ago
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A production process produces 2% defective parts. a sample of 5 parts from the production is selected. what is the probability t
Lana71 [14]

Answer:

Probability of a sample that contains exactly two defective parts is .0037 or .37%

Step-by-step explanation:

As we know if P is the probability of achieving k results in n trials then probability formula is P = \binom{n}{k}p^{K}q^{n-k}

In this formula n = number of trials

                        k = number of success

                        (n-k) = number of failures

                         p = probability of success in one trial

                         q = (1-p) = probability of failure in one trial

In this sum n = 5

                  k = 2

number failures (n-k) = (5-2) = 3

                            p = 2% which can be written as .02

                            q = 98% Which can be written as .98

Now putting these values in the formula

                        P = \binom{5}{2}(.02)^{2}(.98)^{5-2}

                        P = \binom{5}{2}(.02)^{2}(.98)^{3}

                   \binom{5}{2}= 5!/3!2!    

                                              = 5×4×3×2×1/3×2×1×2×1

                                              = 5×2 =10

                                       P = 10×(.02)²×(.98)³

                                          = .0037 or .37%

4 0
3 years ago
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They can give them flaws and gave them overcome those flaws! Maybe it causes problems in the long run and they have to fix it to solve those problems?
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