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Nutka1998 [239]
2 years ago
12

Billy wants to buy a $1250 drum set and the

Mathematics
1 answer:
nadya68 [22]2 years ago
8 0

Answer:

LOL i don't even know

Step-by-step explanation:

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Factor the expression 84+28
harkovskaia [24]

Answer:

112

Step-by-step explanation:

7 0
2 years ago
What is the probability that the sample mean life span of 64 calculators from Caseo will exceed the sample mean life span of 81
musickatia [10]

Answer:

it would be 64-81  than answer devide by 6.

8 0
2 years ago
What is the vertex of the graph of f(x) = x2 + 10x - 9? A) (-5, -34) B) (-5, -9) C) (5, -9) D) (5, 66)
sukhopar [10]

Answer:

A) (-5, -34)

Step-by-step explanation:

f(x) = x^2 + 10x - 9

We complete the square to get the equation in vertex form

Take the coefficient of the x term and divide by 2 then square it.  We add it and then subtract it not to change the value of the equation

f(x) = x^2 + 10x +(10/2)^2 - (10/2)^2 - 9

f(x) = x^2 +10x +25 -25 -9

f(x) = (x^2 +10x +25) -34

The term in parentheses simplified to (x+10/2) ^2

     = (x+5)^2 -34

   = (x - -5)^2 -34

This is in the form (x-h)^2 +k

The vertex is (h,k)  h=-5 and k=-34

(-5,-34)

4 0
2 years ago
Read 2 more answers
Please help with this question it is 60% of my grade.
Vsevolod [243]

Answer: b

Step-by-step explanation:

you start with 0 min- equals 24

1 min- 21

2 min- 18

3 min- 15

4 min- 12

5 min- 9

and so on- you look for the table that best describes that. x represents the minutes, and y represent the amount of water left in the sink.

3 0
3 years ago
Read 2 more answers
Can two lines be drawn from a point not on a line that will meet the line at a right angle? at a 45° angle? explain each answer.
vichka [17]
I believe the the correct answer would be yes. Two lines can be drawn from a point that is not collinear with a certain line that will meet the line at a right angle or 90 degree angle and at an angle of 45 degrees. We can freely draw any line that would pass through a given point and would cross a given line at any direction giving us different angles and this would include a 90 and 45 degree angle.
5 0
3 years ago
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