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Leona [35]
3 years ago
5

Students receive an award for scores at or above the upper quartile. What is the lowest score a student can get to receive an

Mathematics
2 answers:
agasfer [191]3 years ago
8 0

Answer:

The answer is 74 <33

Step-by-step explanation:

nalin [4]3 years ago
3 0
The answer to this question is A
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I need help on 5 a and b
coldgirl [10]
A:  63.75
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5 0
3 years ago
Ilsym!!!!! help thanks so much
kolezko [41]

Answer:

A w is less than 7

A x is greater then or equal to  -1

Step-by-step explanation:

7 0
3 years ago
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9y = 3y Combine the like terms
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9y-3y=0
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Hope that helps
5 0
3 years ago
If -xy – 5+ y^2+ x^2= 0 and it is known that dy/dx= y-2x/-x+2y, find all
sleet_krkn [62]

Answer:

There is no point of the form (-1, y) on the curve where the tangent is horizontal

Step-by-step explanation:

Notice that when x = - 1. then dy/dx becomes:

dy/dx= (y+2) / (2y+1)

therefore, to request that the tangent is horizontal we ask for the y values that make dy/dx equal to ZERO:

0 = ( y + 2) / (2 y + 1)

And we obtain y = -2 as the answer.

But if we try the point (-1, -2) in the original equation, we find that it DOESN'T belong to the curve because it doesn't satisfy the equation as shown below:

(-1)^2 + (-2)^2 - (-1)*(-2) - 5 = 1 + 4 + 2 - 5 = 2  (instead of zero)

Then, we conclude that there is no horizontal tangent to the curve for x = -1.

3 0
3 years ago
3x - 12y = -30 and x - 6y = -12
forsale [732]

check attached file it has the answers

3x =-18

X= -12

8 0
3 years ago
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