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Semmy [17]
3 years ago
11

A card is drawn from the deck. What is the probability it is either black face card or a spade?

Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0

Answer:

about 37% chance or, rounding to the nearest tenth, 36.5% chance

Step-by-step explanation:

since there are only 6 black face cards out of 52 cards, so the fraction is 6/52

there are also 13 spade cards out of 52 cards, so the fraction is 13/52

to find the percent you have to add the two fractions becuase all you want to do is draw a black face card or a spade card. when you add them you get 19/52

then dividing the fraction gives you .3653846154 on my calculator :)

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A man has 10 more dimes than quarters. he has $2.75 how many of each coin does he have?
Anton [14]
5 quarters, 15 dimes

q + 10 = d
0.25q + 0.1d = 2.75

0.25q + 0.1(q + 10) = 2.75
0.25q + 0.1q + 1 = 2.75
0.35q = 1.75
q = 5

Check:

0.25(5)+ 0.1(15)= 2.75
1.25 + 1.5 = 2.75
2.75 = 2.75 :)
4 0
3 years ago
Veronica is choosing between two health clubs. After how many months will the total cost for each health club be the same? Yoga
Rina8888 [55]

Answer:

4 months

Step-by-step explanation:

8 0
3 years ago
prescription for marilyn jones piroxicam 20 mg capsule take 1 capsule 2 times a day how many milligrams mg will marilyn take of
fenix001 [56]

Answer:

\boxed{\text{3600 mg}}

Step-by-step explanation:

Step 1. Calculate the number of capsules

Marilyn takes 2 capsules per day

\text{No. of capsules} = \text{90 days} \times \dfrac{\text{2 capsules}}{\text{1 day}} = \text{ 180 capsules}

Step 2. Convert capsules to milligrams

There are 20 mg in each capsule.  

\text{No. of milligrams} = \text{180 capsules} \times \dfrac{\text{20 mg}}{\text{1 capsule}} = \textbf{3600 mg}\\\\\text{Marilyn will take } \boxed{\textbf{3600 mg}} \text{ of Pirixocam}

6 0
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According the bar graph above, which month saw the lowest number of student ticket sales?
lesantik [10]
There's no graph. Btw.
5 0
3 years ago
For every 6 cups of flour in bread recipe there are 2 cups of milk
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Answer:

3

Step-by-step explanation:

3

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