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2 years ago

Last question , thanks!!! so much!!!!:)))))

Mathematics

2 answers:

hjlf2 years ago

6 0

Answer:

1,3

Step-by-step explanation:

1,3 is were they intersect, go sideways 1, and up 3

hope that this helps you and have a great day :)

bulgar [2K]2 years ago

3 0

Answer:

(1, 3)

Step-by-step explanation:

The solution to a system of equations can be seen on a graph as the place where the lines intersect.

Here, we can see that the two lines intersect at (1, 3), meaning that (1, 3) is the solution to this system of equations.

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What are the coordinates of point B on \overline{AC} such that AB = 1/2 BC

marta [7]

Answer:

C. $B(x,y) = \left(3,-\frac{16}{3} \right)$

Step-by-step explanation:

Let $A(x,y) = (6,-7)$ , $B(x,y) = (x,y)$ and $C(x,y) = (-3,-2)$ . From statement we know that $AB = \frac{1}{2}\cdot BC$ , which is equivalent to the following linear algebraic formula:

$B(x,y) -A(x,y) = \frac{1}{2}\cdot [C(x,y)-B(x,y)]$ (1)

$B(x,y)-A(x,y) = \frac{1}{2}\cdot C(x,y)-\frac{1}{2}\cdot B(x,y)$

$\frac{3}{2}\cdot B(x,y) = \frac{1}{2}\cdot C(x,y)+A(x,y)$

$B(x,y) = \frac{1}{3}\cdot C(x,y) +\frac{2}{3}\cdot A(x,y)$ (2)

Then, the coordinates of point B on AC are:

$B(x,y) = \frac{1}{3}\cdot (-3,-2)+\frac{2}{3}\cdot (6,-7)$

$B(x,y) = \left(-1, -\frac{2}{3}\right)+\left(4, -\frac{14}{3} \right)$

$B(x,y) = \left(3,-\frac{16}{3} \right)$

Which means that correct answer is C.

5 0

2 years ago

A shop sells DVDs and CDs.

Vsevolod [243]

Answer:

Step-by-step explanation:

Lets Price of a DVD is fixed i.e. 15

and One CD price is 5 (Not fixed)

In First situation

2 DVDs and 1 CD cost = 35 as given

2 x 15 + 5 = 35

Lets one CD price is 7.5

In Second situation

2 x 15 + 2 x 7.5 = 45

Its mean CD price may be between 5 to 7.5

In asked scenario, Martin has 50

1 DVD and 3 CDs?

1 x 15 + 3 x 7.5 = 37.5

37.5 is lesser than 50

Hence Martin has enough to buy 1 DVD and 3 CDs.

3 0

2 years ago

-1 2/3÷(-2 1/5)= in simplest form

soldi70 [24.7K]

> -1 2/3 ÷ (-2 1/5)
> -1.66.. ÷ -2.2
> 0.75454...

Answer: 0.75

4 0

2 years ago

Which best describes the relationship between the line that passes through the points (1, –6) and (3, –2) and the line that pass

Setler [38]

Both lines are parallel, since they have the same slope of 2.

8 0

2 years ago

Find each percent is 10 of 75<br> what is 1 percent of 75

Aloiza [94]

Answer: 7.5

Step-by-step explanation: i hope this helps have a nice day god bless

6 0

2 years ago