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LenKa [72]
3 years ago
14

? pointsSimplify completely :5x - 209x - 36​

Mathematics
1 answer:
pantera1 [17]3 years ago
4 0

Answer:

5/9

Step-by-step explanation:

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Which of the following expressions is the conjugate of a complex number with −5 as the real part and 4i as the imaginary part? 5
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The mathematical expression of the given complex number above is -5 + 4i. The conjugate of this complex number is that which has an opposite operation. The given is an addition operation. That is -5 - 4i. Therefore, the answer is the third among the choices. 
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WHat is the unit rate in terms of people per square mile when there are 646,449 people in 68.3 square miles?
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If f(x)=x^+5x+2, find (-4) A) 34 B) -2 C) 38 D) -6
Ahat [919]

Answer:

f(-4)= -2

Step-by-step explanation:

f(x)=x^2+5x+2 find(-4)

replace x= -4 in function

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3 years ago
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bogdanovich [222]

Answer:

free points TYSM!

Step-by-step explanation:

4 0
2 years ago
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2x + 3y = 26 3x + 5y = 40<br>find x and y I will give brainliest
Yuki888 [10]

Answer:

x = 10 and y = 2

Step-by-step explanation:

multiply first equation by 5 and 2nd equation by 3 then subtract equation 1 and 2, we get,

10x+15y= 130

9x+15y=120

( -) (-) (-)

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>

x= 10

substituting the value of x in equation 1 we get

2x + 3y = 26

2*10 + 3y = 26

3y = 26-20

y =6/3

y= 2.i hope this helps

7 0
3 years ago
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