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goblinko [34]
3 years ago
15

Suppose that in a school with 150 total students, there are 10 students who have the flu. Administrators take an

Mathematics
2 answers:
Dafna1 [17]3 years ago
3 0

Answer:

Step-by-step explanation:

What is a binomial variable

Nadusha1986 [10]3 years ago
3 0

Answer:

The trials are not independent, so

X is not a binomial variable.

Step-by-step explanation:

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The ratio of muscisians to actors was 2 to 5. If there were 28 musicians, how many actors were there?
julsineya [31]
2•14=28 which is the musicians

5•14=70 which would be the actors

The ratio would be 28:70
5 0
3 years ago
Insulin is used to regulate sugar in the bloodstream. A dose of 10 units breaks down by about 5% each minute after injection. Ho
s344n2d4d5 [400]

Answer:

Explanation:

• The initial dose of the Insulin = 10 Units

The insulin breaks down by about 5% each minute, therefore:

• The decay rate, r= 5%

We want to determine the time it will take for the remaining dosage to be half (5 units) of the original dose.

We use the exponential decay function:

N(t)=N_o(1-r)^t

Substituting the given values, we have:

\begin{gathered} 5=10(1-0.05)^t \\ \frac{5}{10}=0.95^t \\ 0.5=0.95^t \end{gathered}

To solve for t, we change to logarithm form.

8 0
1 year ago
Andres works 20 hours per week at a part-time job. His original pay rate was $10.00 per hour, but he recently received a pay rai
lidiya [134]

Answer:

X = .5

Step-by-step explanation:

10 × 20 = 200

10.5 × 20 = 210

Explanation:

Y = 210

210 = 20(10+X)

divide both sides by 20

10.5 = 10+X

subtract 10 from both sides

.5 = X

X = .5

4 0
3 years ago
Carly tried to solve an equation step by step. <br> Find Carly's mistake.
Phantasy [73]

Answer:

Step 1 is incorrect

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The values of x and y vary directly, and when x=48, y=36. Find the value of x when y=18.
Karo-lina-s [1.5K]

Answer:

24

Step-by-step explanation:

48 ÷ 2 = 24 - x

36 ÷ 2 = 18 - y

x = 24

y = 18

4 0
3 years ago
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