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kow [346]
3 years ago
7

Jejehbehrjrurhrhrhrurijrbebehejisishebebeheueuriurgrbrbrbrjirhrbbevrgrhrhr

Mathematics
2 answers:
ivanzaharov [21]3 years ago
4 0

Answer:Really dude

Step-by-step explanation:just really

Karo-lina-s [1.5K]3 years ago
3 0
Kakshdidldnsbshdkdmdn is the answer dude seriously this is mental math.
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If a single card is drawn from a standard 52-card deck, what is the probability that it is an ace or a spade?
klasskru [66]

A 52-card deck is made up of an equal number of diamonds, hearts, spades, and clubs. Because there are 4 suits, there is a 1/4 chance to draw one of them, in our case, spades.

There are 4 aces in a 52-card deck, so the chance of drawing one is 4/52, or 1/13.

The question asks for the probability of drawing an ace or a spade. Because it uses the word "or," we add the probabilities together. This is because there is a chance of drawing either of the cards; it doesn't have to meet both requirements to satisfy the statement.

However, if the question were to say "and," we would multiply the two probabilities.

Let's add 1/4 and 1/13. First, we can find a common denominator. We can use 52 because both fractions can multiply into it (since the ratio came from a deck of 52 cards as well).

\frac{1}{4} -- > \frac{13}{52}

\frac{1}{13} -- > \frac{4}{52}

Now we can add them together.

\frac{13}{52} + \frac{4}{52} = \frac{13+4}{52} = \frac{17}{52}

This cannot be simplified further, so the probability is 17 in 52, or 33%.

hope this helps!

7 0
1 year ago
Read 2 more answers
After surveying 100 parents, researchers concluded that 90 percent of babies can walk by the age of 10 months. Why is this an in
Maru [420]

This is an inappropriate conclusion because of <u>D. At 10 months</u>, ninety percent of toddlers have not reached the developmental milestones to walk.

<h3>What is an inappropriate conclusion?</h3>

An inappropriate conclusion is one arrived at without a proper research design.  An inappropriate conclusion can also be reached when the interpretation of the research result is not based on the findings.

Our conclusion implies that there is a wrong interpretation of the research findings because of the researcher's bias.

Thus, the research conclusion is <u>inappropriate</u> because of Option D.

Learn more about research conclusions at brainly.com/question/24542637

3 0
2 years ago
If AB = AC; then B = C if
zloy xaker [14]
A is a square matrix
8 0
2 years ago
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Which region represents the solution to the given system of inequalities? <br> A<br> B<br> C<br> D
Semenov [28]

Answer:

a

Step-by-step explanation:

5 0
2 years ago
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Please answer according to the picture.
katen-ka-za [31]
-4 and 2 are the solutions, since that is where they intercept the x axis, and when plugged into the equation, make it true.
6 0
3 years ago
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