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Charra [1.4K]
2 years ago
14

Let C be the event that a randomly chosen person went to college. Let J be the event that a randomly chosen person has a job. Id

entify the answer which expresses the following with correct notation: Given that the person went to college, the probability that a randomly chosen person has a job.
Mathematics
1 answer:
Verdich [7]2 years ago
4 0

Answer:

the answer is c..................

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Find the distance between the given points. Given the answer in simplest radical form. (1,1) and (9,1)
PSYCHO15rus [73]

Step-by-step explanation:

\sqrt{(1 - 1) {}^{2} + (9 - 1) {}^{2} }

\sqrt{64}  = 8

8 0
3 years ago
5(5t + 1) = 25t-7<br> Can someone help me with this solution??
masha68 [24]
Firstly you multiply 5 with everything in the brackets on the left side of = . and than you put t on the left side and change sign (if it was + then its going to be -) and numbers on right side and do the same with signs. then just calculate the rest

5(5t +1) = 25t - 7
25t + 5 = 25t - 7
25t - 25t = -7 + 5
0=-2
the statement is false
7 0
3 years ago
A sledgehammer weighs 18 pounds on Earth and 4 pounds on the planet Namar. Which of the following proportions could you use to d
julia-pushkina [17]
18/4 = 100/w
4/18 = w/100

both A and B
5 0
3 years ago
Please thank my profile!
geniusboy [140]

Answer:

Thanks profile

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Solve the quadratic.<br><br><br> 4x^2+4-20=0<br><br><br><br><br> brainlist if you explain
frez [133]

Answer:

  • x = -1/2(1 +√21) ≈ -2.79129
  • x = -1/2(1 -√21) ≈ 1.79129

Step-by-step explanation:

We assume the middle term is supposed to be 4x.

We can remove a common factor of 4 to simplify this a bit.

  x^2 +x -5 = 0

This is of the form

  ax^2 +bx +c = 0

where a=1, b=1, c=-5.

__

The <em>quadratic formula</em> gives the solutions as ...

  x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

Filling in the given coefficients, we have ...

  x = (-1 ±√(1^2 -4·1·(-5)))/(2·1)

  x = (-1±√21)/2

The solutions are x = -1/2(1 +√21) and -1/2(1 -√21).

_____

<em>If what you wrote is what you intend</em>, then the equation simplifies to 4x^2 -16 = 0.

Dividing by 4 and factoring the difference of squares gives ...

  x^2 -4 = 0

  (x -2)(x +2) = 0

These factors are zero (hence their product is 0) for the values x = 2 and x = -2.

The solutions are x=2 and x=-2.

5 0
2 years ago
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