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Vedmedyk [2.9K]
3 years ago
6

How do you solve this?(5+i)(5+2i)

Mathematics
1 answer:
kozerog [31]3 years ago
7 0

Answer:

  23 +15i

Step-by-step explanation:

Multiply the binomials in the usual way, then replace i² by -1 and simplify.

  (5 +i)(5 +2i) = (5)(5) +(5)(2i) +(i)(5) +(i)(2i) = 25 +10i +5i +2i²

  = 25 +15i +2(-1)

  = 23 +15i

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What is the lowest common denominator of 1/3 and 2/5
Citrus2011 [14]

Answer:

15

Step-by-step explanation:

3 and 5 are not common denominators so you have to find the lowest common denominator which is 15 because 3 times 5 is 15

8 0
3 years ago
Maris put trim around a mirror that is the shape of a square. Each side is 24 inches long. Maria has 1 foot of trim left. What w
Dahasolnce [82]

Answer:

16.028 yards

Step-by-step explanation:

1 inch=0.0833333 foot

24 inches=0.0833333×24

=1.9999992 foot

The mirror is square shaped and each side is 24 inches

If each 24 inches=1.9999992 foot

Then,

4 sides of 24 inches=1.9999992×24

=47.9999808 foot

Maria has 1 foot of trim left

Total Length of trim when she started=47.9999808+0.0833333

=48.0833141 foot

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Approximately,

16.028 yards

8 0
3 years ago
Describe in a complete sentence the solution set for 3x + 3 = 3+ 3x.
sineoko [7]

Answer:

<em>It has infinitely as many solutions</em>

Step-by-step explanation:

Equations and Identities

When dealing with equations, we must find values of the variable who mak the expression become an identity.

The expression is an identity regardless on what the value of x is, so we can say the equation has infinite as many solutions. For example x=0 will make the expression look like 3=3 which is an identity. If x=8, we'll obtain 27=27 and so on

5 0
3 years ago
Expand the brackets 3(12-W)
3241004551 [841]

Answer:

36 - 3m

Step-by-step explanation:

3(12−m)

3 \times 12+3(−m)

36+3(−m)

36−3m

<h3>Hope it is helpful...</h3>
8 0
3 years ago
Suppose SAT scores among college students are normally distributed with a mean of 500 and a standard deviation of 100. If a stud
bagirrra123 [75]

Answer:

700-500/500=2

7 0
3 years ago
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