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3 years ago

X−6>−2 solve the inequality

Mathematics

2 answers:

Hitman42 [59]3 years ago

8 0

Step-by-step explanation:

x-6>-2
x> -2+6
x>4

hope it helps.

hjlf3 years ago

3 0

Answer:

x>4

Step-by-step explanation:

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An electronic system has three major circuit boards, A, B and C. These boards have respective software support in the ratio, (30

yKpoI14uk [10]

Answer:

30.77% probability that this failure is from A.

38.46% probability that this failure is from B.

30.77% probability that this failure is from C.

Step-by-step explanation:

Conditional probability:

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

30% probability of board A being chosen.

Board A has a 4% probability of failure.

30% probability of board B being chosen.

Board B has a 5% probability of failure.

40% probability of board C being chosen.

Board B has a 3% probability of failure.

For all these questions:

Event A: Failure

$P(A) = 0.3*0.04 + 0.3*0.05 + 0.4*0.03 = 0.039$

Probability that this failure is from A:

Event B: Board A is chosen.

Intersection:

Failure from board A:

$P(A \cap B) = 0.3*0.04 = 0.012$

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.012}{0.039} = 0.3077$

30.77% probability that this failure is from A.

Probability that this failure is from B:

Event B: Board B is chosen.

Intersection:

Failure from board B:

$P(A \cap B) = 0.3*0.05 = 0.015$

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.015}{0.039} = 0.3846$

38.46% probability that this failure is from B.

Probability that this failure is from C:

Event B: Board C is chosen.

Intersection:

Failure from board C:

$P(A \cap B) = 0.4*0.03 = 0.012$

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.012}{0.039} = 0.3077$

30.77% probability that this failure is from C.

3 0

3 years ago

Please help me with this question

ratelena [41]

Answer:

x = 50 miles

Step-by-step explanation:

Equation One: y = 40 + 0.2x

Equation Two: y = $1x = x

All you need to do is equate the two ys which represent the total cost for each company. Your question is when are they equal? So make them equal, and you will find out.

x = 40 + 0.2x Subtract 0.2x from both sides of the equation.

x - 0.2x = 40 Combine like terms

0.8x = 40 Divide both sides by 0.8

0.8x/0.8 = 40/0.8

x = 50 miles.

3 0

3 years ago

Read 2 more answers

Can someone please answer. There is one problem. There's a picture. Thank you!

swat32

what are they asking you for?

8 0

3 years ago

Please someone help me. I'll give brainliest.

jekas [21]

Answer:

I would say the answer is C

3 0

2 years ago

Find the value of a if the line joining the points (3a,4) and (a,-3) has a gradient of 1

Otrada [13]

Recall that the slope or gradient of a line segment through two points is the ratio of the change in the y coordinate to the change in the x coordinate.

If the gradient is 1, then

1 = (-3 - 4) / (a - 3a)

Solve for a :

1 = -7 / (-2a)

1 = 7/(2a)

2a = 7

a = 7/2

6 0

3 years ago