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AveGali [126]
2 years ago
12

Simplify (5+11i) - (16-4i) +9i.

Mathematics
2 answers:
Sunny_sXe [5.5K]2 years ago
7 0

Answer:

5 + 11i -16 + 4i + 9i

collecting like terms

5-16 + 11i + 4i + 9i

24i - 11

lisabon 2012 [21]2 years ago
6 0

Answer:

5+11i-16-4i+9i

5-16+11i-4i+9i

-11+7i+9i

-11+16i

Step-by-step explanation:

First, get the like terms together. Then add or subtract until its simplified. Simplified is -11+16i.

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Louise sold 414 soft pretzels. If she sold them in groups of 18 soft pretzels, how many groups did she sell?
dybincka [34]

Answer:

23 groups :)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
59 and/or 60. Determine if the triangles are similar. If they are similar, find the scale factor from ABC to JKL.
navik [9.2K]

9514 1404 393

Answer:

  59) not similar

  60)

Step-by-step explanation:

59) The ratios of the side lengths shown cannot be reduced. They are different, so the triangles are not similar.

  7:8:12 ≠ 6:7:11

__

60) The side length ratios both reduce to 8:7:10, so the triangles are similar.

  ∆ABC ~ ∆JKL

The scale factor is LJ/CA = 25/20 = 5/4. (Multiplying ABC by 5/4 will give JKL.)

8 0
2 years ago
SHOW ALL WORK<br> What is y
azamat

Answer:

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Step-by-step explanation:

3 0
3 years ago
Last month, when Joe took his puppy to the veterinarian, the puppy weighed 5.4 pounds. This month, the puppy weighed 7.56 pounds
tino4ka555 [31]

<u>Answer:</u>

40%

<u>Step-by-step explanation:</u>

We are given that last month, Joe's puppy weight 5.4 pounds while this month, the puppy weighed 7.56 pounds.

We are to find the percentage increase of the weight of the puppy

We know that the formula of percentage increase if given by:

<em>Percentage increase = (new value - initial value)/initial value × 100</em>

So substituting the given values to get:

Percentage increase in puppy's weight = \frac{7.56-5.4}{5.4} \times 100 = 40%

7 0
3 years ago
Paul has $20,000 to invest. His intent is to earn 10.5% interest on his investment. He can invest part of his money at 7% intere
Art [367]
X=7%
y=12%
x+y=20000
0.07x+0.12y=20000*0.19=3800
3 0
2 years ago
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