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3 years ago

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Mathematics

1 answer:

otez555 [7]3 years ago

6 0

Answer:

Is there a question?

Step-by-step explanation:

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A bookshelf has 6 shelves of books. Each shelf can hold 26 books. How many books can the bookshelf hold all together?

kherson [118]

Answer: 156

Step-by-step explanation:

6 x 26

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3 years ago

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How do you know if a value is a solution to<br> an equation?

Alex787 [66]

Answer:

You know that a value is a soloution to a problem when you add the value into the problem to check if it solves the problem. :)

Step-by-step explanation:

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3 years ago

What would be the answer of my fractions <br> 9 1/2 + 4 3/5=

Nina [5.8K]

Answer:

14 $\frac{1}{10}$ or $\frac{141}{10}$

Step-by-step explanation:

Turn your fractions into improper and make them have the same denominator

$\frac{95}{10}$ + $\frac{46}{10}$ = $\frac{141}{10}$

Leave it as is or simplify to 14 $\frac{1}{10}$

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3 years ago

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help me please !! find the domain and range of the function represented by the graph. determine wether the domain is discrete or

katrin [286]

Answer:

Domain is the whole R and the range is R+. The domain is continuous

5 0

3 years ago

A toddler is allowed to dress himself on Mondays, Wednesdays, and Fridays. For each of his shirt, pants, and shoes, he is equall

avanturin [10]

Answer:

0.0286 = 2.86% probability that today is Monday.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Dressed correctly

Event B: Monday

Probability of being dressed correctly:

100% = 1 out of 4/7(mom dresses).

(0.5)^3 = 0.125 out of 3/7(toddler dresses himself). So

$P(A) = 0.125\frac{3}{7} + \frac{4}{7} = \frac{0.125*3 + 4}{7} = \frac{4.375}{7} = 0.625$

Probability of being dressed correctly and being Monday:

The toddler dresses himself on Monday, so (0.5)^3 = 0.125 probability of him being dressed correctly, 1/7 probability of being Monday, so:

$P(A \cap B) = 0.125\frac{1}{7} = 0.0179$

What is the probability that today is Monday?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0179}{0.625} = 0.0286$

0.0286 = 2.86% probability that today is Monday.

4 0

3 years ago