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ElenaW [278]
3 years ago
6

Which of the following is a complex number? -7 2 + StartRoot 3 EndRoot 4 + 9i Pi

Mathematics
2 answers:
zepelin [54]3 years ago
8 0
Second to last one is my guess
ASHA 777 [7]3 years ago
7 0

Answer: c

Step-by-step explanation:

,,,

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Number 4 only plzzz help asap its due tomorrow
____ [38]
B:
i=43 degrees
ii= 2 minutes
C:
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7 0
3 years ago
Help me with this question ​
enot [183]

Answer:

37.2

Step-by-step explanation:

when you turn the small triangle LMN to its right angle to cover the right angle of KLM, you find that they are similar triangles.

therefore the corresponding side lengths are at the same ratio.

LM/KM = MN/LN

LM = 24

MN = 13

we can get LN via Pythagoras of the small triangle

LN² + MN² = LM²

LN² + 13² = 24²

LN² = 24² - 13² = 576 - 169 = 407

LN = sqrt(407) = 20.174241

now back to our main problem

24/KM = 13/sqrt(407)

24×sqrt(407)/13 = KM = 37.2

4 0
2 years ago
What expression is the simplified form of “-12+5a-a-6a+8a+8+3a”? Please explain your reasoning.
kramer

Combine like terms:

-12 + 5a - a - 6a + 8a + 8 + 3a

-12 + 5a - a - 6a + 8a + 8 + 3a

5a - a = 4a

4a - 6a = -2a

-2a + 8a = 6a

6a + 3a = 9a

-12 + 8 = -4

Answer

9a - 4

4 0
3 years ago
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Please answer the question from the attachment.
bezimeni [28]
Look at the cars mpg (miles per gallon) then multiple it by 15
7 0
3 years ago
Question : Find if the coordinates given lie on the circles below: (a) Does (4,2) lie on the circle with equation
lorasvet [3.4K]
Answer: No

Explanation

8 0
2 years ago
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