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krok68 [10]
3 years ago
11

Simplify the expression x + 2x + x + x + x + x

Mathematics
2 answers:
tino4ka555 [31]3 years ago
4 0

Answer:7x

Step-by-step explanation:

hjlf3 years ago
3 0
The answer is 7x
Hope this helped
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The roots of the equation are 3 + 8i and 3 – 8i.
g100num [7]
Given that the roots of the equation x^2-6x+c=0 are 3+8i and 3-8i, the value of c can be obtained as follows;
taking x=3+8i and substituting it in our equation we get:
(3+8i)^2-6(3+8i)+c=0
-55+48i-18-48i+c=0
collecting the like terms we get:
-55-18+48i-48i+c=0
-73+c=0
c=73
the answer is c=73
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A wildlife reserve had 8 elephant calves born during the summer and now has 31 total elephants. How many elephants were reserved
julia-pushkina [17]
The correct answer is 23

5 0
2 years ago
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HELP PLEASE APPRECIATED Margarita is driving at the speed of s-4/ s^2- 9s + 20 miles per hour.
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D = V • t    ...    displacement = velocity • time 
d = [(s – 4) ⁄ (s² – 9s + 20)] • [(s – 5) ⁄ 4]    ...    rearrange terms 
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d = (s – 4) • (s – 5)   ⁄   [4(s – 4) • (s – 5)] 
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3 years ago
Please, help me with my homework?
ivann1987 [24]

Answer:

yea what do you need help with?

Step-by-step explanation:

5 0
3 years ago
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The graph below does not represent a function. Explain why.
Simora [160]

Notice how points T and Z are vertically aligned, or vertically lined up. This is where the graph fails the vertical line test.

The input x = 2 leads to the outputs y = 3 and y = 5 (which are the y coordinates of points Z and T in that order).

A function is only possible when any given input leads to <u>exactly one</u> output only. It would be like saying "the conversion function from Celsius to Fahrenheit has 0 degrees C convert to both 32 degrees F and 50 degrees F at the same time". But such a statement makes no sense and it's not useful. So this is one example of why having one output makes sense for a function.

In short, we need one output for any given input. But the input x = 2 leads to more than one output. That's why we don't have a function.

6 0
3 years ago
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