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Anit [1.1K]
2 years ago
5

What is the mean of the value set 13,19,22,20,31,16,25,30

Mathematics
1 answer:
BigorU [14]2 years ago
5 0

Answer:

idk maybe u tell me ok so the answer is work it out yourself

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Someone help me please.
Maru [420]

Answer:

3

Step-by-step explan

1 x 4/2 + 1

4/2 + 1

4 divide by 2 is = 2

2+1 = 3

so the value of 1 x b/2 + 1 is = to 3

4 0
3 years ago
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Besty has N quarters.You can use the expression 0.25N to find the total value of her coins in dollars.What is the value of 18 co
allochka39001 [22]
Using .25N, you set N equal to 18 for 18 quarters. so .25(18) = 4.50
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3 years ago
Use properties of addition to evaluate the expression. (−64)+((−36)+20) Enter your answer in the box.
IrinaK [193]
(−64)+((−36)+20) simplify "()" first
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3 years ago
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Food allergies affect an estimated 7% of children under age 5 in the US. What is the probability that in a kindergarden class of
bezimeni [28]

Answer:

Probability of atleast one of 12 student has food allergies ≈ 0.58 ( approx)

Step-by-step explanation:

Given: Probability of a children under age 5 has food allergies = 7%

                                                                                                        =\frac{7}{100}

To find : Probability of atleast one of 12 student has food allergies

Probability of a chindren under age 5 does not have food allergies = 1-\frac{7}{100}

                  ⇒ prob = \frac{93}{100}

now we find Probability of atleast one of 12 student has food allergies this means we have to find prob of 1 student, 2 student, 3 student, till 12 student have allergy out of 12 student of class then add all prob.

But instead of finding all these probability we find probability of student having no allergy.i.e., 0 student then subtract it from 1(total probability)

Probability of 0 student having allergy out of 12 student = (\frac{93}{100})^{12}

Therefore, Probability of atleast one of 12 student has food allergies

                  = 1-(\frac{93}{100})^{12}

                  = 0.581403702521

                  ≈ 0.58 ( approx)

                 

8 0
2 years ago
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Can somebody help me with these?
Sliva [168]

1. -216

2. -6561

Hope this helped!

5 0
3 years ago
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