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Lerok [7]
3 years ago
8

2x + 7 + (3 – yli = -4 + 6 Find the values of x and y that make each equation true.

Mathematics
1 answer:
Naddik [55]3 years ago
5 0

Answer:

<h2>brainiest me</h2>

Step-by-step explanation:

(1) 5 + iy = x + i3 In order for complex numbers to be equal the real parts have to be equal and the imaginary parts have to be equal. For (1) we have (2) 5 = x for the real parts, therefore (3) x = 5 And for the imaginary parts we have (4) iy = i3, therefore (5) y = 3 Answer: x = 5 and y = 3.

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PLEASE help with 12 :))
Kitty [74]
The answer would be x<-6
7 0
4 years ago
Determine whether the random variable is discrete or continuous. In each​ case, state the possible values of the random variable
yan [13]

Answer:

a) C. The random variable is discrete. The possible values are xequals​0, ​1, ​2,....

b) B. The random variable is continuous. The possible values are x greater than or equals 0.

Step-by-step explanation:

Discrete variables are countable in a finite amount of time. Continuous variables can be infinitely many. They rather assume values in a range.

<u><em>(a) Is the number of hits to a Web site in a day discrete or​ continuous? </em></u>

C. The random variable is discrete. The possible values are x equals​ 0, ​1, ​2,....

<u><em>(b) Is the weight of a Upper T dash bone steak discrete or​ continuous?</em></u>

B. The random variable is continuous. The possible values are x greater than or equals 0.

8 0
3 years ago
Find the indefinite integral. (Use C for the constant of integration.) <br> e2x 25 e4x dx.
Sladkaya [172]

Answer:

The solution is  \frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] +  C

Step-by-step explanation:

From the question

    The function given is  f(x) =  \frac{e^{2x}}{ 25 + e^{4x}} dx

The  indefinite integral is  mathematically represented as

          \int\limits  {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx

Now  let  e^{2x} =  u

=>   \frac{du}{dx} 2e^{2x}

=>   2 e^{2x}dx =  du

So

\int\limits  {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx =  \int\limits  {\frac{1}{ 2(25 + u^2)} } \, du

= \frac{1}{2} \int\limits  {\frac{1}{ 25 + u^2)} } \, du

=  \frac{1}{2} \int\limits  {\frac{1}{ 5^2 + u^2)} } \, du

= \frac{1}{2} \frac{tan^{-1} [\frac{u}{5} ]}{5}  +  C

Now substituting for  u

\frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] +  C

3 0
3 years ago
George has 28 tomato seedlings. He wants to put them into 7 equal groups to sell. Which number sentence could be used to find th
777dan777 [17]

Answer:

4

Step-by-step explanation:

7+7+7+7 or 28/7 =4

4 0
3 years ago
You can use the formula c= 5/9 (f-32) to convert temperature in degrees fahrenheit, f, to temperature in degrees celsius,
mrs_skeptik [129]
C=5/9 (62-32)
c=(5/9)*30
c= 150/9
c=16.666....
so c=16.6
6 0
3 years ago
Read 2 more answers
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