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Nataly_w [17]
3 years ago
6

Please help me with this its my last math question will give brainly for correct answer

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

Answer:

64

Step-by-step explanation:

 

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18. Let z = a + bi represent a general complex number. As noted in the lesson, the conjugate of z, abbreviated conj(z) or conj(a
AnnyKZ [126]

Question (18):

Answer: (A) All of the following

(I am using z^* in place of conj(z)

z*z^*=(a+ib)(a-ib)=a^2-(ib)^2= a^2+b^2=\mbox{modulus(z)}^2

z+z^*=a+ib+a-ib=2a\\z-z^*=a+ib-a+ib=2bi


Question (19):

Answer: (B) -7

modulus of -7 is sqrt(49)=7

the other choices are all < 7


5 0
3 years ago
250 divided by 10 squared equals?
navik [9.2K]
250 divided by 10 squared is 2.5
4 0
3 years ago
Read 2 more answers
PLS HELP ME WITH FINDING THE VOLUME OF THIS SOLID
Fofino [41]
Lwh = (3+3+6) (4) (7)

12 x 4 x 7 = 336
3 0
3 years ago
The number 40 can be written as the product of a prime factor like 40=2×2×2×5 . Write the number 100 as a product of its prime f
Vladimir79 [104]

Answer

The answer to your question is  2 x 2 x 5 x 5 or 2² 5²

Step-by-step explanation:

Process

1.- To find the prime factors of a number, we must divide the number by prime numbers like 2, 3, 5, 7, 11, etc. starting from the lowest number.

                         100     2

                           50     2

                           25     5

                             5      5

                              1

Then  100 = 2 x 2 x 5 x 5 or 2² 5²

                 

5 0
3 years ago
A line has a slope of 9 and a y-intercept of 5.What is its equation in slope-intercept form
salantis [7]

Answer:

y=9x+5

Step-by-step explanation:

y=mx+b is the slope-intercept form where m is the slope and b is the y-intercept.

Given that m (the slope) = 9 and b (the y-intercept) = 5, we can substitute directly into the equation and get this answer:

y=9x+5

8 0
3 years ago
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