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Licemer1 [7]
3 years ago
15

7 = 3 (5 + x) what is x

Mathematics
1 answer:
finlep [7]3 years ago
7 0

Answer: x= -8/3

Step-by-step explanation:

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Factor the expression completely over the complex numbers: 25x2 +144
Paha777 [63]

Answer:

25x² + 144 = (5x + 12i) (5x - 12i).

Step-by-step explanation:

We have to factorize the expression 25x² + 144, using the complex number.

Now, i = \sqrt{- 1} can be treated as the complex number as there is negative value with in square root.

So, i^{2} = - 1

Therefore, we can write the original expression as  

25x² + 144

= 25x² - (i²)(144)  

= (5x)² - (12i)²

= (5x + 12i) (5x - 12i)

So, the factorization is 25x² + 144 = (5x + 12i) (5x - 12i). (Answer)

5 0
4 years ago
At the local hardware store, 2 feet of copper wire costs $3.60
andrew-mc [135]

You can get two feet of copper wire of 7.20. Idk the question soooooooo

8 0
3 years ago
What is the modal letter in 'constitution'<br>​
Hoochie [10]
T because it’s the only letter which appears 3 times (the most)
4 0
2 years ago
Please... I need help with this
storchak [24]
Selling tickets to the play would raise more money due to the fact that each ticket costs more money than the tickets in the table next to the problem. The tickets in the table cost $5, which is less than $6.25.
7 0
3 years ago
Read 2 more answers
Select the correct answer.
Digiron [165]

Answer:

4/3

Step-by-step explanation:

Given function = p(x) = (6x-4)/x

First we will calculate p(1) and p(3)

p(1) = (6(1) - 4)/1 = 6-4 = 2

p(3) = (6(3) - 4)/3 = (18-4)/3 = 14/3

Rate of change on interval [1,3] = [p(3) - p(1)]/(3-1)

=> (14/3 -2)/(2)

=> (14-6)/(3*2)

=> 8/6

=> 4/3

So average rate of change is 4/3

8 0
3 years ago
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