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jek_recluse [69]
3 years ago
10

PLZZZ HURRY

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
7 0

Answer: 60

Step-by-step explanation: A P E X

Leona [35]3 years ago
4 0
B



- Harvard university professor
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Alice took a standardized test. If 96% of the students scored below Alice, 2% had the same score, and 2% had a higher score, wha
Darya [45]

Answer:

4

Step-by-step explanation:

She is in the top 4%

7 0
3 years ago
How to solve a complex number
Leno4ka [110]
Hey Sweetie! I'll gladly answer this question for you!


Complex numbers are "binomials" of a sort, and are added, subtracted, and multiplied in a similar way. (Division, which is further down the page, is a bit different.) First, though, you'll probably be asked to demonstrate that you understand the definition of complex numbers.

<span><span>Solve <span>3 – 4i = x + yi</span></span>Finding the answer to this involves nothing more than knowing that two complex numbers can be equal only if their real and imaginary parts are equal. In other words, <span>3 = x</span> and <span>–4 = y</span>.</span>

To simplify complex-valued expressions, you combine "like" terms and apply the various other methods you learned for working with polynomials.

<span>Simplify (2 + 3i) + (1 – 6i).</span>

(2 + 3i) + (1 – 6i) = (2 + 1) + (3i – 6i) = 3 + (–3i) = 3 – 3i

<span>Simplify (5 – 2i) – (–4 – i).</span><span>(5 – 2i) – (–4 – i)<span>= (5 – 2i) – 1(–4 – i) = 5 – 2i – 1(–4) – 1(–i)= 5 – 2i + 4 + i= (5 + 4) + (–2i + i)= (9) + (–1i) = 9 – i</span></span>

You may find it helpful to insert the "1" in front of the second set of parentheses (highlighted in red above) so you can better keep track of the "minus" being multiplied through the parentheses.

<span>Simplify<span> (2 – i)(3 + 4i).</span></span><span>(2 – i)(3 + 4i) = (2)(3) + (2)(4i) + (–i)(3) + (–i)(4i)<span>= 6 + 8i – 3i – 4i2 = 6 + 5i – 4(–1)= 6 + 5i + 4 = <span>10 + 5i</span>
<span>

That is your answer....


Hope I helped!



</span></span></span>
4 0
3 years ago
Pls help me 20points
Leni [432]

Answer:

your adding 4y for every 1x

Step-by-step explanation:

6 0
3 years ago
Solve the equation for x: 126 = 3x.<br> A. x = 378<br> B. x = 129<br> C. x = 123<br> D. x = 42
KIM [24]

Answer:

The answer is answer D, x=42.

Step-by-step explanation:

To isolate the variable, you need to divide both sides of the equation by three, using the division property of equality. 126/3=42 , and 3x/3=x , this gives you 42=x, or x=42, meaning the answer is D.

4 0
3 years ago
Need help with this question ??
lutik1710 [3]
So w+y+z= 3x

y=3x-w-z
4 0
3 years ago
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