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kotykmax [81]
3 years ago
13

Which complex number is equivalent to the given expression (2+I)(8-3i)-(23+34i)

Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer: -4 - 32i                  

i just took this test

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Please help 20 points
12345 [234]

Answer:

x =± (√ 317/ 2 )+( 15 /2)

6 0
3 years ago
Kindly answer this one. Thank you.​
steposvetlana [31]

Answer:

See below.

Step-by-step explanation:

I'm assuming these questions are about the Midline Theorem (segment AL joins the midpoints of the non-parallel sides.

♦  The midline's length is the average of the lengths of the top and bottom parallel sides.

AL=\frac{OR+CE}{2}

Use this equation and substitute values given in each problem, then solve for the missing information.

1. AL = x, CE = 9, OR = 5

x=\frac{9+5}{2}=7

2. AL = <em>m</em> - 4, CE = 15, OR = 17

m-4=\frac{15+17}{2}=16\\\\m-4=16\\\\\\m=20\\\\AL=20-4=16

3. OR = y + 5, AL = 15, CE = 18

15=\frac{(y+5)+18}{2}\\\\15=\frac{y+23}{2}\\\\30=y+23\\\\7=y\\\\OR = 7+5=12

4 0
2 years ago
Help with length of hypotenuse ​
Salsk061 [2.6K]

Answer:

sqrt(10) *x

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2

x^2 + (3x)^2 = hypotenuse ^2

x^2 + 9x^2 = hypotenuse ^2

10x^2 = hypotenuse  ^2

Take the square root of each side

sqrt( 10x^2) =  sqrt(hypotenuse  ^2)

sqrt(10) * x = hypotenuse

5 0
3 years ago
Read 2 more answers
-1 3/5 divided by 5/-6
scoray [572]

Answer:

0.053

Or

1 23/25

Step-by-step explanation:

Hope this helps! :D

4 0
3 years ago
Read 2 more answers
M^3-8n^3 factor the sum and difference
Keith_Richards [23]
Factor: (M-2n)(M^2+2Mn+4n^2)
7 0
3 years ago
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