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trasher [3.6K]
3 years ago
7

(4-5i)(-2+7i) what is the answer

Mathematics
2 answers:
Strike441 [17]3 years ago
8 0

Answer:

27 + 38 i

Explanation:

(4 - (5 * i)) * ((-2) + (7 * i)) =

Virty [35]3 years ago
6 0

Answer:

- 35 {i}^{2}  + 10i  + 20

Step-by-step explanation:

-8 + 28 + 10i - 35i^2

-35i^2 + 10i + 20

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As a single logarithm, 2log2 6- log29+ 1/3log2 27 = log2 12.
Ipatiy [6.2K]

Answer:

true

Step-by-step explanation:

2log2 6- log2 9+ 1/3log2 27 =

= log2 6² - log2 9 + log2 27^(1/3)

= log2 36 - log2 9 + log2 3

= log2 [(36 × 3)/9]

= log2 12

The statement is true.

3 0
2 years ago
Willy and Bill kept track of the distance each rode on his bike last week. Willy rode a total of 121.3 kilometers. Bill rode a t
iogann1982 [59]

C.
Willy and Bill rode an equal distance on their bikes

Hope it help! :D

8 0
3 years ago
Read 2 more answers
2x +5y=10 writing equations in slope intercept form
rosijanka [135]
Answer: y=-2/5x+2

Solving Steps:
2x+5y=10 - Move the variable to the right
5y=10-2x - Divide both sides by five
y=2-2/5x - Reorder the terms
y=-2/5x+2
7 0
3 years ago
Laine reads 25 pages in 30 minutes. If Laine reads 200 pages at this same rate, how long will it take her?
irinina [24]
Well think about it

50 pages = 1 hour (60 mins)

so it would take laine 4 hours in total to read 200 pages at the rate

hope that helps :)
4 0
3 years ago
Help ASAP! Correct answer will be marked BRAINLIEST!!!
Nataly_w [17]

Answer:

not telling u the answer but first multiply 2 x 2 1/2 (4 1/2) then add that to 6 2/5

Step-by-step explanation:


5 0
2 years ago
Read 2 more answers
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