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Tresset [83]
3 years ago
7

Numbers 1 - 10 are written on cards and placed in a bag. Find the probability of choosing a number greater than 5 or choosing an

odd number. ...?
Mathematics
1 answer:
Step2247 [10]3 years ago
6 0

{1,3,5,7,9} {6,7,8,9,10} 

The union of these two sets is 

{1,3,5,6,7,8,9,10} 

There are 8 numbers here out of the 10 possible.

So the answer for this question is 8/10 or 4/5.

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In rectangle ABCD, AC = -x + 21, BP = -9x + 19, and DP = -y + 5. Find the value of y.
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Answer:

y=-5

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The diagonals of a rectangle are equal and bisect each other

so

BP=\frac{1}{2}AC

DP=BP

step 1

Find the value of x

BP=\frac{1}{2}AC

substitute the given values

(-9x+19)=\frac{1}{2} (-x+21)

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Multiply by 2 both sides

-18x+38=-x+21

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step 2

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substitute

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substitute the value of x

-y+5=-9(1)+19\\-y+5=10\\y=5-10\\y=-5

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3 years ago
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