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vaieri [72.5K]
3 years ago
13

Hilda draws a card from a deck of cards and it is a seven. The probability that it is the 7 of spades is Select one: O a. 1/3 O

b. 1/4 O C.4/52 O d. None of the above age
Mathematics
1 answer:
Schach [20]3 years ago
8 0

Answer:b

Step-by-step explanation:

Given

Hilda draws a card from a deck of cards and it is seven.

It is certain that card is 7 so there a 4 cards which can be 7

i.e. 7 of hearts,7 of spades,7 of club,7 of diamond

So probability that it is the 7 of spades is

\frac{1}{4}=0.25

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kaheart [24]
There will be three pairs of matching sides: one pair 5x7, one pair 5x12 and one pair 12x7. We can compute the are of each side (in pairs) and then add up the total:

A_{surf}=2\times(l \times w)+2\times(l \times h)+2\times(h \times w)
A_{surf}=2\times(5\times7)+2\times(5\times12)+2\times(12\times7)
A_{surf}=2\times35+2\times60+2\times84
A_{surf}=70+120+168
A_{surf}=358
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5 0
3 years ago
If I’m asked to simplify an expression does that mean I shorten it or solve it?
DochEvi [55]

Answer:

Solve it

Step-by-step explanation:

When you're asked to simplify an expression it means to solve it.

4 0
3 years ago
Read 2 more answers
David owns a food truck that sells tacos and burritos. He sells each taco for $4.50 and each burrito for $7.75. Yesterday David
inna [77]
7.75+4.50
Then this equals 12.25 ; You gone want to divide this

519.25 \ 12.25 you get $42.38 or $42.39 if you round.

Or 4.50 x 60 is $270
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3 0
3 years ago
When a softball player gets a hit, it can be a single, double, triple, or home run. When Josephine is at bat, the protectity
Fofino [41]

Answer:

The probability of hitting a single or a double is 1/5 or 20% or 20/100 or 0.2

Step-by-step explanation:

In probability, whenever we are to answer an ‘or’ question, we add up the probabilities involved.

The probability of hitting a single is 15%, that is same as 15/100 or just simply 0.15

The probability of hitting a double is 5%, that is simply 5/100 or just simply 0.05

The probability of hitting a single or a double = Probability of hitting a single + Probability of hitting a double = 0.15 + 0.05 = 0.20 or 20/100 or 1/5

6 0
3 years ago
Find the remainder when f(x) = x^3 + 14x^2 − 7x − 10 is divided by x − 3.
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Answer:

122

Step-by-step explanation:

(3)³ + 14(3²) - 7(3) - 10

122

Used remainder theorem

6 0
3 years ago
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