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Harrizon [31]
3 years ago
14

In a standard deck of cards find the probability of drawing a black card or a 10

Mathematics
1 answer:
Sophie [7]3 years ago
7 0
Out of 52 total cards there are 13 ways to draw black and 3 more hearts besides so 16/52. or 4/13
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Mark bought gifts for his friends, and each gift cost $9. Let y represent the total cost and x represent the number of gifts. Wr
olga nikolaevna [1]

Answer:

y = 9x

Step-by-step explanation:

You can set up linear equations like this: y = mx + b, where m is the slope or rate, and b is the y-intercept.

9 would be the slope, since he has to pay $9 per gift.

The y-intercept is when x = 0, but if he doesn't buy any gifts, he won't have to pay anything, so b = 0. You don't have to include it since it's 0.

So, it's just y = 9x

Hope that helps! :D

3 0
2 years ago
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Amir can run 15 kilometers in one hour. How many kilometers can Amir run per minute?
inysia [295]
Amir can run 0.25 kilometers per minute.
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3 years ago
A horse had 4 1/5 scoops of oats in his bucket. He ate 2 1/2 scoops of oats. How much scoops of oats are left in his bucket? Ent
lidiya [134]

Answer:

1 7/10

Step-by-step explanation:

4 1/5-2 1/2 = 17/10 = 1 7/10

8 0
3 years ago
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What do you call an event where it doesn’t effect the other?<br> A. Dependent<br> B. Independent
devlian [24]
Independent. No need to thank me.
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3 years ago
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Solve for x<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B2%7D%20%20%2B%20%20%5Cfrac%7B3%7D%7B4%7D%20%20%3D%2010" id=
Degger [83]

Answer:

x = 18.5

Step-by-step explanation:

Given

\frac{x}{2} + \frac{3}{4} = 10

Multiply through by 4 to clear the fractions

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x = \frac{37}{2} = 18.5

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3 years ago
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