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marta [7]
3 years ago
10

You have a set of cards labeled 1-10. Set A is drawing an even card. Set B is drawing a 8 or higher. What is the P ( A ∪ B ) ? E

xpress your answer as a decimal.
Mathematics
1 answer:
solmaris [256]3 years ago
4 0

Set A is drawing an even card: 2, 4, 6, 8, 10

Set B is drawing a 8 or higher: 8, 9, 10

P ( A ∪ B ) = 2, 4, 6, 8, 9, 10 = 6/10 = 0.6

Answer:

P ( A ∪ B ) = 0.6

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I need help plz it is for khan academy
Schach [20]

Answer:

slope = 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 1, 0) and (x₂, y₂ ) = (0, 1)

m = \frac{1-0}{0+1} = 1

7 0
3 years ago
What's is an equation of the line that passes through the point(-3,-1) and is perpendicular to the line x-2y=6
katrin2010 [14]

Answer:

y+1=-2(x+3)

Step-by-step explanation:

Slope is negative reciprocal when two lines are perpendicular

m1=1/2 therefore m2=-2

The equation of the line in point-slope form is given as

y-y_1=m_2(x-x_1)

Here m=-2 and (x1, y1)=(-3, -1)

Therefore,

y+1=-2(x+3)

6 0
3 years ago
Please help me if you can​
Luda [366]
A) 100 degrees (congruent angle)
B) 45 degrees (congruent angle)
C) 90 degrees (right angle)
D) 99 degrees (congruent angle)
E) 30 degrees (congruent angle)
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5 0
2 years ago
What is the value of the expression below when a = 3 and b = 7?
svp [43]

Answer:

42

Step-by-step explanation:

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56-14

42

I hope this helps.

6 0
3 years ago
Read 2 more answers
Y=3/2x-1<br> -6x+4y=-4<br> Does this have no solution or infinitely many solutions please explain.
Aleks04 [339]

Answer:

infinitely many solutions

Step-by-step explanation:

Let's eliminate the fractional coefficient in the first equation by multiplying that equation by 4:

4y = 6x - 4

The second equation can be rewritten as 4y = 6x - 4, so the two equations are actually identical.  They have infinitely many solutions.

6 0
3 years ago
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