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alisha [4.7K]
4 years ago
9

Write (-2 − 2i) + (10 − 4i) as a complex number in standard form. A. -4 + 6i B. 8 − 6i C. 6 D. 12 − 6i

Mathematics
1 answer:
Akimi4 [234]4 years ago
4 0

-2-2i+10-4i=8-6i

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I still need help on this please
lapo4ka [179]

Answer:

x = \frac{85}{3}

Step-by-step explanation:

From the figure attached,

ΔABC ~ ΔADE

Therefore, by the property of similar triangles corresponding sides of the given triangles will be proportional.

\frac{AB}{AD}=\frac{AC}{AE}=\frac{BC}{DE}

\frac{AB}{AD}=\frac{BC}{DE}

\frac{12}{20}=\frac{17}{x}

x = \frac{20\times 17}{12}

x = \frac{85}{3}

8 0
3 years ago
What is 3/4 of 50 for a math assignment.
Burka [1]

Answer:

37 1/2

Step-by-step explanation:

multiply the two numbers if their is an “of” in the statement

7 0
3 years ago
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71 is 10 less than my number what is my number
dimaraw [331]
Since it is 10 less and you are trying to find out your number, you add 10.
71+10= 81
So, your number is 81.
5 0
3 years ago
The Spanish club held a car wash to raise money. The equation y=5x represents the amount of money y club members made for washin
Korolek [52]

They wash a car for $5, so 5 represents the cost of washing one car. to find out how much they will earn by washing x cars, we can multiply 5 by any number to find the total cost of the washed cars. For example 5×2=10 which means the cost of washing 2 cars is $10 and 5×3=15 means the cost of washing 3 cars is $15 and also 5×4=20 means the cost of washing 4 cars is $20. Basically the cost of the washed cars will increase by $5 each time the number of cars increase.

3 0
4 years ago
Estimate the quotient of 719.711 ÷ 8.75.
katrin2010 [14]
Hi! 

Change 719.711 to 720 and 8.75 is 9. 
and 720 dividided by 9 is 80

Change 719.711 to 700 and 8.75 to 9. 
700 divided by 9 is 77.77... 

those are the only two I can think of that'll work, but I think that 80 would be the best answer. 
3 0
3 years ago
Read 2 more answers
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