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LekaFEV [45]
3 years ago
6

Write the complex number in the form a + bí. V6 (cos 315º + i sin 315º)

Mathematics
1 answer:
tatyana61 [14]3 years ago
8 0

Answer:

dude i tried so hard i keep getting da same answer its timing me to do it so ima put da answer in comments

Step-by-step explanation:

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A moon is about 420000 miles away from it orbits.
Pie
A: 4.2* 10^{5}

B: 6*10^{4} is 60000 so to find the answer do 420000/60000 to get a final time of 7 hours.

It would take 7 hours to get to the moon
7 0
3 years ago
In triangle abc, the measure of angle b is 20 more than three times the measure of angle
sleet_krkn [62]
Let x be the degree of angle a. 

Angle b: 20+3x
Angle c: 55+x 

We know that all angles add up to 180 degrees. 

180=x+(20+3x)+(55+x) 
180= 5x+75 
180-75=5x 
105/5=x
21=x 

Angle a: 21 degrees 
Angle b: 20+3(21) => 83 degrees 
Angle c: 21+55 => 76 degrees 

Hope I helped :) 
5 0
3 years ago
Expand completely using the Binomial Theorem<br> (3y - x)^4
AleksAgata [21]

Answer:

In standard form it is x^4 - 12x^3y + 54x^2y^2 - 108x y^3 + 81y^4.

Step-by-step explanation:

(3y)^4 + 4C1(3y)^3(-x) + 4C2(3y)^2(-x)^2 + 4C3(3y)(-x)^3  + (-x)^4

= 81y^4 - 108y^3x + 54y^2x^2 - 12yx^3 + x^4

4 0
3 years ago
What is the LCM of 8 and 9
dolphi86 [110]

72 I hope that helped

3 0
3 years ago
Read 2 more answers
Hellen is using 3.508 grams of copper for her science experiment. How many kilograms of copper did Hellen use for her science ex
mash [69]

Answer:

.003508 kg of copper

Step-by-step explanation:

1000 grams = 1 kg

3.508 g/1000 g = .003508 kg

7 0
3 years ago
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