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kramer
3 years ago
13

PLEASE HELP, I need to get this assignment done soon

Mathematics
1 answer:
ehidna [41]3 years ago
6 0
The distance from x=1 to x=6 is 5.  That from y=4 to y=-1 is also 5.

We find the coordinates of C separately.

Knowing that C divides AB in the ratio of 2:3, we know that the first part of the line connecting A to B is  

      2          2
---------- = ---- of the total x-distance from A to B, which is 5.  Thus, we get
  2 + 3       5                 (2/5)(5), or 2.  Add this 2 to the x-coordinate of A:
                                    1+2 = 3.  This is the x-coord. of C

      2          2
---------- = ---- of the total y-distance from A to B, which is 5.  Thus, we get
  2 + 3       5                 (2/5)(5), or 2.  Subtract this 2 from the y-coordinate of                                         A:   4-2, or 2.  The y-coord. of C is thus 2.
                                    1+2 = 3.  This is the x-coord. of C

The coordinates of C are (3, 3).

It would probably help you if you were to draw line AB and also plot C.  Once you have point A, you obtain the coord. of point C by adding 2 to the x-coord. of A, and subtracting 2 from the y-coord. of A (subtracting because the y-coordinate of A decreases as we move from A to B).
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Step-by-step explanation: because it is

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2 years ago
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svp [43]

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4 0
3 years ago
Please help with this
slava [35]

Answer:

D) x=\frac{-2+-2\sqrt{7} }{3}

Step-by-step explanation:

The quadratic formula is : \frac{-b+-\sqrt{b^2-4ac} }{2a}

A in terms of this question=9

B in terms of the question is 12

C in terms of the question is -24.

This question is an example of a quadratic equation. To work this out you may first need a calculator. The first step is to substitute the values of a,b and c into the formula.  So once substituted the formula of \frac{-b+-\sqrt{b^2-4ac} }{2a} becomes \frac{(-12)+-\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}. Although when written in a calculator there will not be a plus and minus button and so you would have to do this separately.

However when substituting the values it would be best practice to put them in brackets.

1) Substitute the values into the equation for +.

\frac{(-12)+\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}=\frac{-2+2\sqrt{7} }{3} /1.097167541

2) Substitute the values into the equation for -.

\frac{(-12)-\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}=\frac{-2+2\sqrt{7} }{3} /-2.430500874

8 0
3 years ago
Pls help...................
bearhunter [10]
First one b ≤ 9 good luck
5 0
3 years ago
What is the area, in square feet, of the trapezoid below?
slavikrds [6]

Answer:

68.75

Step-by-step explanation:

Measure the length of the parallel sides and add them together. Then multiply this number by the height of the area. Then multiply by ½ or divide by two to find the square footage of the trapezoid.  

13.6 + 5.9= 19.5

19.5 + 8 = 27.5

27.5 x 5 = 137.5

137.5 x 1/2 = 68.75

3 0
3 years ago
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