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Natali [406]
3 years ago
11

Find the conjugate and product of i3 + i7 ​

Mathematics
1 answer:
abruzzese [7]3 years ago
5 0

Answer:

  • Complex conjugate: 2i
  • Product: -2i

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Can someone explain to me the steps how they got 2 √4^2+2x-3-2 from this question…
Naddik [55]

Step-by-step explanation:

with your square root symbol I never know what is inside the square root and what is possibly outside.

so, I can only guess and see what comes close.

f(x) = 2x² + x - 1

g(x) = sqrt(2x - 1) ??? is that so ?

h(x) = -2

2g(f(x)) + h(x)

g(f(x)) means that the whole f(x) expression is used as x in g(x).

the whole combined function is then

2×sqrt(2(2x² + x - 1) - 1) - 2

2×sqrt(4x² + 2x - 2 - 1) - 2

2×sqrt(4x² + 2x - 3) - 2

and if I am not mistaken, then this is the solution you mentioned at the beginning (if I try to read between the typos and missing info).

this is how people get to this.

do you understand it now ? or is there still something unclear ?

6 0
2 years ago
The width of a rectangular computer screen is 2 inches more than its height. If the area of the screen is 323 square inches, fin
Lana71 [14]
Width= 19 in
Height= 17 in

WxH=323

19x17=323
5 0
3 years ago
What is 50% of 64?
Dmitriy789 [7]

Answer:

50% = 50/100 = 0.5

20% = 20/100 = 0.2

25% = 25/100 = 0.25

10% = 10/100 = 0.1

Now let's begin our calculation

50% of 64=(0.5*64)=32

20% of 55=(0.2*55)=11

25% of 16 = (0.25*16) =4

10% of 200=(0.1*200)=20

20% of 86=(0.2*86)=17.2

Step-by-step explanation:

Hope this helps <3

7 0
3 years ago
Read 2 more answers
Find the length of each model. Then find the scale factor. (Pictures attached #3/#4)
max2010maxim [7]

12 cm for the first one and 11.6 for the second.


Unrelated to the question, that house around number 3 gives me nostalgia of elementary school :)

6 0
3 years ago
How many tryouts weighed MORE THAN 450 grams?
jarptica [38.1K]

Answer:

11

Step-by-step explanation:

Basically count each doubt that is on the number line with a value <u>greater </u>than 450

8 0
3 years ago
Read 2 more answers
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