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nordsb [41]
3 years ago
7

Please help show work and I’ll give brainliest

Mathematics
1 answer:
shepuryov [24]3 years ago
7 0
IDK if i have to explain again but
A. (-infinity, infinity)
B. (-infinity, -3]
C. (-infinity, -4)u(-4, 0)u(0, infinity)
those u's are the logic symbol

2. domain: [-6, -1)u(-1, 3]u [3, -infinity)
range: (-infinity, 4]

3a. 8x^2 + 17
3b. 32x^2 + 80x + 53
3c. I cant see the multiplication symbol
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X² - 2x=0<br> what is this...like what’s the outcome
Tanzania [10]

Answer:

x=0  x=2

Step-by-step explanation:

X² - 2x=0

Factor

x(x-2) = 0

Using the zero product property

x=0  x-2 =0

x=0  x=2

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3 years ago
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\begin{cases}y=x-6\\y=2x\end{cases}\implies~x-6=2x\implies~x=-6

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Which of the following is equivalent to 5^-9
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Jon ate too many holiday cookies and gained 2.2 kilograms in December. Then he went on a diet and lost 1.5 kilograms in January.
gogolik [260]

Answer:

Jon lost a total of 3 kilograms in these 3 months.

Step-by-step explanation:

Weight that Jon gained in December = 2.2 kilograms

Weight that Jon lost in January = 1.5 kilograms

Weight that Jon lost in February = 3.7 kilograms

Overall Change in his weight = Total Weight he gained - Total weight he Lost

Total weight he gained is 2.2 kilograms as he only gained weight in December. Total weight he lost will be sum of weights he lost in January and February.

So, total weight Jon lost = 1.5 + 3.7 = 5.2 kilograms

Thus,

Total change in Jon's Weight = 2.2 - 5.2 = -3.0 kilograms

This shows that Jon lost a total of 3 kilograms in these 3 months.

Conclusion:

The statement that best describe the total change in his weight is: Jon lost a total of 3 kilograms in these 3 months

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Answer:

For number 3 the answer is -4

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