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Dmitry_Shevchenko [17]
3 years ago
12

Without solving the equation determine if the solutions are real or non real

Mathematics
1 answer:
Lorico [155]3 years ago
8 0
What are the equations
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2x - 4y=28+6y=10<br> Write equation in slope-intercept form
jasenka [17]

Answer:

Step-by-step explanation:

Y=1/2x - 5/2

8 0
4 years ago
P(A)=25,P(B|A)=920,P(A∩B)=?
larisa [96]
Hi! Let me help you!
This problem is a Venn Diagram question. It is much easier to answer this question with the visual it usually comes with. However, we can employ logic to give this one a smart and logical answer.

What we have so far:
P(A) =  25. This means that the shaded area of A is equal to 25.
P(B/A) = 920. This means that area A subtracted 25 to the value of area B which resulted to 920.
P(B) = 945. How did I arrive with 945? Simple, I just added 25 to 920. Go and be a smart lad and find why I did that.

Solution:
Solving P(A∩B) is quite challenging because like I said, a visual is needed for us to give it a pefect answer. Employing logic and using what we have so far:

If P(A∩B) means A and B intersection, we can assume that it is simply as A + B. 

If that is the case, then we can simply pull out our P(A) and P(B), 25 and 945 respectively and add them:

P(A) + P(B) = P(A∩B)
P(A∩B) =  25 + 945
P(A∩B) = 970 <----- What we are looking for

Therefore, P(A∩B) = 970!
4 0
3 years ago
Which expression is NOT equivalent to 2.89 × 0.6?
Rashid [163]

Answer:

(289x6)x(110x110)

Step-by-step explanation:

8 0
3 years ago
Pls help:<br> Expand -5(3n+2p+q)
timurjin [86]
-15n-10p-5q should be correct
7 0
3 years ago
Solve each system of equations by substitution. Clearly identify your solution.
ycow [4]

Answer:

(-7,-2)  

Step-by-step explanation:

y = 3x + 19

y = 5x + 33

Substitute in y. Basically set equal to each other.

3x + 19 = 5x + 33

-2x = 14

x = -7

y = 3 (-7) + 19

y = -21 + 19

y = -2

3 0
3 years ago
Read 2 more answers
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