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emmasim [6.3K]
3 years ago
9

Simplify -3i*6i-3(-7 6i)

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
4 0
The answer would be =<span>18+<span>228<span>i so i figured it out by useing mathpapa go there if you need help with math</span></span></span>
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A bag contains 10 red marbles, 7 green marbles. and 8 striped marbles. A marble is picked, then put back into bag. Find P(green
SIZIF [17.4K]

G = number of green = 7

S = number of striped = 8

T = number total = 10+7+8 = 25

probability of picking green = P(G) = G/T = 7/25

probability of picking striped = P(S) = S/T = 8/25

P(green and striped) = P(G)*P(S)  ... events are independent

P(green and striped) = (7/25)*(8/25)

P(green and striped) = (7*8)/(25*25)

P(green and striped) = 56/625

P(green and striped) = 0.0896

--------------------------------

In summary, the answer as a fraction is 56/625

In decimal form, the answer is 0.0896

The value 0.0896 can be converted to percent form to get 8.96%

8 0
3 years ago
Reduce 22/30 to lowest terms and write the numerator in the blank. ___
schepotkina [342]

Answer:

11/15

Step-by-step explanation:

You would divide by 2 for each.

3 0
4 years ago
The nth term of a quadratic sequence is:
anzhelika [568]
We can work out the first three terms of this quadratic equation with substitution.
The first term of this sequence is where n=1, we can substitute 1 in for n
y=1^2+2(1)-4
y=1+2-4
y=-1
We can do this for the next two terms as well
y=2^2+2(2)-4
y=4+4-4
y=4
For the last term:
y=3^2+2(3)-4
y=9+6-4
y=11
7 0
4 years ago
Jenya graphed a scatter plot of number of potholes (y) and length of a road in miles (x). She drew the trend line and calculated
viktelen [127]

Answer:

25

Step-by-step explanation:

why not

3 0
3 years ago
Read 2 more answers
What is 10 × 7 thousands in unit form
Alika [10]
Here is the answer for your question hope it helps

3 0
3 years ago
Read 2 more answers
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