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mylen [45]
2 years ago
7

ASAP PLEASE!!!!!!!!!

Mathematics
1 answer:
dezoksy [38]2 years ago
8 0
B. 1 to 90 I’m pretty sure
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please help me the best that you can. this is my last grade for this class and I really need to pass.
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Step-by-step explanation:

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An angle less than 90 degrees ​
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<u>Acute Angle</u>

Step-by-step explanation:

<u>Obtuse Angle</u> is greater than 90 degrees

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Http://www.meta-calculator.com/online/?panel-102-graph&data-bounds-xMin=-10&data-bounds-xMax=10&data...

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3 years ago
F(x)=-2x-1 and g(x)=x^2-1. Find (fog)(-5).
serg [7]

Answer: - 49

Step-by-step explanation:

f(x) = -2x - 1

g(x) = x^{2} - 1

fg(x) = f (x^{2} - 1) , we just put in the value of g(x) , the next thing is to substitute x^{2} - 1 for the value of x in f(x) , that is

fg(x) = -2(x^{2} - 1) - 1

fg(x) = -2x^{2} + 2 - 1

fg(x) = -2x^{2} + 1

Therefore : fg(-5) means we will substitute -5 for x in fg(x) , that is

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fg(-5) =  -2(25) + 1

fg(-5) = -50 + 1

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7 0
3 years ago
Sarah brought her City car in for repairs and maintenance over the first three years she owned it she replace the brake pads in
Veseljchak [2.6K]

Answer: Average per year for the repairs and maintenance is $273.66

Step-by-step explanation:

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what did he average per year for repairs and maintenance?

The total cost of repairs and maintenance = 98 + 723 = 821

repairs and maintenance over the first three years 

Divide the answer by 3

821/ 3 = 273.67 dollars per year

3 0
2 years ago
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