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Serggg [28]
3 years ago
11

Janelle earned 90% on a test and got 63 points were possible on the test?

Mathematics
1 answer:
miskamm [114]3 years ago
6 0

Answer:

70

Step-by-step explanation:

90%=9/10

63*10/9=630/9=70

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PLEASE HELP
nydimaria [60]

Answer:

y = -2(x+2)(x-1)/((x+3)(x-6)) = (-2x^2 -2x +4)/(x^2 -3x -18)

Step-by-step explanation:

A polynomial function will have a zero at x=a if it has a factor of (x-a). For the rational function to have zeros at x=-2 and x=1, the numerator factors must include (x+2) and (x-1).

For the function to have vertical asymptotes at x=-3 and x=6, the denominator of the rational function must have zeros there. That is, the denominator must have factors (x+3) and (x-6). Then the function with the required zeros and vertical asymtotes must look like ...

f(x) = (x+2)(x-1)/((x+3)(x-6))

This function will have a horizontal asymptote at x=1 because the numerator and denominator degrees are the same. In order for the horizontal asymptote to be -2, we must multiply this function by -2.

The rational function may be ...

y = -2(x +2)(x -1)/((x +3)(x -6))

If you want the factors multiplied out, this becomes

y = (-2x^2 -2x +4)/(x^2 -3x -18)

6 0
3 years ago
Find the midpoint of A and B where A has coordinates (-3,-5) and B has coordinates (4,4).
snow_lady [41]

Answer:

(\frac{1}{2}, \frac{-1}{2})

Step-by-step explanation:

Use the midpoint formula to solve.

1) Given 2 points: (x_{1}, y_1) and (x_2, y_2)

The midpoint formula would be (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}).

2) Based on this, we can easily find the midpoint of AB.

  • -3 would be x_1\\
  • -5 would be y_1
  • 4 would be x_2  
  • the next 4 would be y_2

3) With this information, we can solve for the midpoint.  

(\frac{-3+4}{2}, \frac{-5+4}{2}) --> (\frac{1}{2}, \frac{-1}{2}) --> This is your answer.

8 0
2 years ago
Help please………………………
KiRa [710]

Answer: See below

Step-by-step explanation:

1. Yes

2. No

3.No

4. Yes

5. No

6. Yes

7. No

8. No

9. Yes

3 0
2 years ago
This for math. Rewriting Fractions <br> How do you decide which number to use in the Giant One?
ASHA 777 [7]

Answer:

factor of hundred is

100 - 1, 2,4,5,10,100

4 0
3 years ago
What is the solution to the system of equations? y = 1/3x – 10 2x + y = 4
kolezko [41]
The solution is (6, -8) (solved by graphing with Desmos.com/calculator)
5 0
3 years ago
Read 2 more answers
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