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True [87]
3 years ago
8

Write the expression in the standard form a+b i (8-8i) + (1+6i )= (simplify the answer)

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

Step-by-step explanation:

(8 - 8i) + (1 + 6i)

8 + 1 - 8i + 6i

9 - 2i

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Can someone teach me how to do this im a good learner i just missed days
mrs_skeptik [129]
I’m not very good at explaining but if we explain from the beginning the equation is y=m(x)+b and m means the slope while b means y- intercept so all you have to do is substitute these variables with the numbers in the problem basically it would be y=10x+10 also the picture attached is how you graph it. Hope this helped:)

6 0
3 years ago
Test the claim that the proportion of people who own cats is significantly different than 90% at the 0.1 significance level.
miss Akunina [59]

Answer:

The right answer is Option B:

H_0: \pi=0.9\\\\H_1: \pi\neq0.9

Step-by-step explanation:

In this case we have to perform a hypothesis test on the proportion of the people owning cats.

The claim is that the proportion is significantly different than 905, what means it can be greater or smaller than 90% to reject the null hypothesis. Because of that, the null hypothesis has to state an equality (H0:p=0.9).

The right answer is Option B:

H_0: \pi=0.9\\\\H_1: \pi\neq0.9

4 0
3 years ago
What 's the area which has sides of length 6and8
qwelly [4]
48= 6x8

Hope this helps
3 0
3 years ago
Find the equation of the exponential function represented by the table below:
UNO [17]

Answer:

Step-by-step explanation:

If this is an exponential function, it is of the form

y=a(b)^x  where x and y are coordinates from your table, a is the intial value, and b is the growth/decay rate.  To find out what the equation is that represents this data, choose 2 points and solve first for a and then for b.  Just a hint:  If at all possible, choose the coordinate that gives you an x of 0.  You'll see why in a minute.  

I chose the first 2 points from your table: (0, .2) and (1, .8).  Solving first for a:

.2=a(b)^0  The reason to choose the x of 0 as one of your points is because anything raised to the power of 0 is 1.  So our equation then becomes:

.2=a(1) so

a = .2   Easy enough.  

Now use that value along with the other coordinate to solve for b:

.8=.2(b)^1  b to the first is just b, so,

.8 = .2b

Divide both sides by .2 and you'll get that

b = 4

The equation, then, is

y=.2(4)^x which is growth, since the value for b is greater than 1.

5 0
3 years ago
Which one is the answer? Answer these two
kirill [66]

Answer

Expressions 4(x+5) and 5(x+4) are Equivalent

Expressions 5(2m+2) and 10m+10 are not equivalent

Step-by-step explanation:

Heres why,

4(x+5) and 5(x+4)

4 times x =4x, so multiply 4x by 5 which should give you 20.

and multiply 5 to x which would be 5x and multiply that to 4 which would be 20, they match up so they are Equivalent.

5(2m+2) and 10m+10

times 5 to 2m to get 10m and times 10m by 2 to get 20.

10m+10 = 1 which they are not equivalent

8 0
3 years ago
Read 2 more answers
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