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Pani-rosa [81]
3 years ago
8

Give the domain for f(x) in interval notation

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0
Domain is the x values, how far they go


it goes from x=-1 to x=7

in interval notation, range= [-1,7]
and the answer to the question in the attachment is 2
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55 divided (4 plus 7) times 6 plus(15 divided by3
Ne4ueva [31]

55/(4+7) x 6+(15/3)= 35

because...

  1. 55/(4+7)=5
  2. 5 x 6=30
  3. 30+(15/3)=35
  4. So in total it equals to 35.
5 0
3 years ago
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If AC = 3, BC = 5, and AB = 7, find AD:<br> 2 5/8<br> 4 1/5<br> 4 3/8<br> 11 2/3
Vesna [10]

Answer:

1.  2\frac{5}{8}  

Step-by-step explanation:

We can see that CD is angle bisector, So we will use angle bisector theorem which states that the angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle.

We can set up an equation as:  

\frac{AC}{AD}=\frac{BC}{BD}

Upon substituting our given values we will get,

\frac{3}{AD}=\frac{5}{(7-AD)}}

Cross multiplying our equation we will get,

5AD=3*(7-AD)

5AD=21-3AD

5AD+3AD=21

8AD=21

AD=\frac{21}{8}

AD=2\frac{5}{8}

Therefore, the length of AD is 2\frac{5}{8} units and 1st option is the correct choice.

6 0
3 years ago
Please help me with math
charle [14.2K]

Answer:

Step-by-step explanation:

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3 0
2 years ago
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Which of the following is equal to 7 1/4
fiasKO [112]

Answer:

29/4

Step-by-step explanation:

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Answer:

12 in^2

Step-by-step explanation:

The figure with the given area is twice as big as the small figure and these are similar figures. Therefore we divide 24/2 = 12

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3 years ago
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