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densk [106]
2 years ago
8

Let A and B be mutually exclusive events with PA) = 0.20 and PCB) = 0.30.

Mathematics
1 answer:
Mama L [17]2 years ago
7 0
That would be approximately five hours of president and president of president and internet president of national president
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Given the equation square root of quantity 3x plus 6 end quantity equals 3, solve for x and identify if it is an extraneous solu
MissTica

Step-by-step explanation:

3x+6=3

-6 -6

3x =-3

÷3 ÷3

x= -1

4 0
3 years ago
HELP ME ! beautiful people that are good at math
ANTONII [103]
-3(-4y+3) +7y
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2 years ago
What is the value of y in the solution to the system of equations 5x-y=25 and x+4y=-10
Amiraneli [1.4K]

Answer:

y=-3.571

Step-by-step explanation:

To get rid of the x's make the other x cancel out the other.

5x-y=25+(-5(x+4y=-10)=-21y=75= -3.571

3 0
3 years ago
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2. Manuel can mow 2 yards per hour. Let h represent the number of hours,
lukranit [14]
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8 0
3 years ago
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
Ivan

Answer:

The final answers are x = 10.385 OR x = -0.385  

Step-by-step explanation:

Given the equation is x^2 -4 = 10x

Rewriting it in quadratic form as:- x^2 -10x -4 = 0.

a = 1, b = -10, c = -4.

Using Quadratic formula as follows:- x = ( -b ± √(b² -4ac) ) / (2a)

x = ( 10 ± √(100 -4*1*-4) ) / (2*1)

x = ( 10 ± √(100 +16) ) / (2)

x = ( 10 ± √(116) ) / (2)

x = ( 10 ± 10.77 ) / (2)

x = ( 10 + 10.77 ) / (2) OR x = ( 10 - 10.77 ) / (2)

x = 20.77/2 OR x = -0.77/2

x = 10.385 OR x = -0.385

Hence, final answers are x = 10.385 OR x = -0.385

3 0
2 years ago
Read 2 more answers
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