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marshall27 [118]
3 years ago
12

✓-32imaginary numbers​

Mathematics
1 answer:
Lynna [10]3 years ago
8 0

Answer:

<em><u>√</u></em><em><u>-32 imaginary numbers</u></em>

\sqrt{ - 32} \\   =  \sqrt{ - 1 \times 16 \times 2}  \\  =  \sqrt{ - 1}  \times  \sqrt{16}  \times  \sqrt{2}  \\  =\boxed{ 4 \sqrt{2} i}

<h3>4√2i is the right answer.</h3>
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BRAINLIEST AND 50 POINTS
lilavasa [31]

Answer:

P ( blue ) =  1/4

P ( white ) =  5/12

P ( red ) = 1/3

P ( not red ) =  2/3

Step-by-step explanation:

To find the probability of a marble being chosen,  it is the number of that color over the total

We need to find the total number of marbles

4 red+ 5 white+3 blue = 12 marbles

P ( blue ) = 3 blue / 12 total = 3/12 = 1/4

P ( white ) = 5 white / 12 total = 5/12

P ( red ) = 4 red/ 12 total = 4/12 = 1/3


How man marbles are not red

total marbles - red marbles = 12-4 = 8

8 marbles are not red

P ( not red ) = 8 not red / 12 total = 8/12 = 2/3

5 0
3 years ago
The difference of two numbers is 40. Their sum is 66. Find the numbers.
Margaret [11]
First of all, x>y
x-y=40
and
x+y=66
add them equations together to eliminate

x-y=40
<u>x+y=66 +</u>
2x+0y=106

2x=106
divide by 2
x=53

sub back
x-y=40
53-y=40
minus 53 both sides
-y=-13
y=13


the numbers are 53 and 13
8 0
3 years ago
Read 2 more answers
a jeweler wants to mix gold costing $17 per gram with an alloy costing $7 per gram to make a ring weighing 30 grams and costing
tatuchka [14]

Answer:

15 grams of each

Step-by-step explanation:

5 0
2 years ago
Why was my question deleted?
joja [24]

Answer:

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Step-by-step explanation:

4 0
2 years ago
Micah has $10.52 after he left the bookstore. If he bought a book for $6.39,how much money did he have before he went to the boo
pickupchik [31]

To find out how much money Micah had before he went to the bookstore, we can simply add 10.52 + 6.39 and we will get the answer of how much money had had before he bought the book.

$10.52 + $6.39 = $16.91

Therefore, Micah had $16.91 before he bought his book.

7 0
2 years ago
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