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svetoff [14.1K]
3 years ago
10

Simplify the expression to a + bi form

Mathematics
1 answer:
stira [4]3 years ago
4 0

Answer:

I got 18.20003388838383838

Step-by-step explanation:

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We have 9 cards numbered 1 to 9. Two cards are drawn at random. What is the probability that the sum of the drawn cards is a pri
emmainna [20.7K]
There are 5 cards less than nine that are prime, so there is a 5/9 chance of picking the first one prime. The second one would be 4/8 or 1/2, because you have removed a card from the deck. You multiply them together to get: 5/18. 

Hope this helps!
6 0
3 years ago
I think its C. but Im not sure how to determine the answer, however I know that using the two points I picked... (0, 2) & (-
9966 [12]
It is B.

You see that the line segment crosses the y-axis at 1? That is known as the y intercept.

Remember y = mx + b?

Well in this graph, b = 1
Therefore it is B
3 0
3 years ago
Read 2 more answers
Assume that y varies with x. when y=6, x=2/3. what is x when y=12? NEED QUICK!!
liraira [26]

Answer:

4/3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
=
ivann1987 [24]

9514 1404 393

Answer:

  • large: 55 lb
  • small: 30 lb

Step-by-step explanation:

Let x and y represent the weights of the large and small boxes, respectively. The problem statement gives rise to the system of equations ...

  x + y = 85 . . . . . combined weight of a large and small box

  70x +50y = 5350 . . . . combined weight of 70 large and 50 small boxes

We can subtract 50 times the first equation from the second to find the weight of a large box.

  (70x +50y) -50(x +y) = (5350) -50(85)

  20x = 1100 . . . . simplify

  x = 55 . . . . . . . divide by 20

Using this in the first equation, we can find the weight of a small box.

  55 +y = 85

  y = 30 . . . . . . . subtract 55

A large box weighs 55 pounds; a small box weighs 30 pounds.

4 0
2 years ago
What is 8.5 as a fraction?
Contact [7]
8.5 =8\frac{1}{2} = 17/2
So, answer is 17/2
7 0
3 years ago
Read 2 more answers
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