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Ulleksa [173]
3 years ago
13

I don’t know how to do this one. could someone help

Mathematics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

If it is being dilated from (0,0) the answer is below.  

Step-by-step explanation:

It depends on where it is scaled from.  If you choose a point directly to that points left it will be pushed tot he right, and vice versa if it is on its right.    Same for above and below

I am going to assume we are dilating from (0,0), but again, if there is another part of the question saying where it's from use this method for that as well.

So, from (0,0) the initial point is (-3, 11)  Scaling by a factor of 3 means it gets pushes AWAY so it is 3 times as far away.  (If it were a fraction or decimal it would be getting pulled closer)

Using (0,0) as the dilation point is the easiest because we just have to ask how far are the x and y coordinates away from (0,0) and any number is THAT number away from 0.  

We break this into the two coordinates too.  so how far is -3 from 0?  -3.  so we want a point 3 times as far away, so what is that?  -9.  Same for 11, 11 is 11 away from 0 so we want it 3 times as far, which is 33.

Now that we have the two coordinates  that is the answer.  

(-9, 33)

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You walk 2 miles in 1212 hour. At that rate, how long will it take you to walk 3 miles?
gayaneshka [121]
<span>2 miles in 1212 hour, 1 mile = 1212/2 = 606 hours

so in 3 miles = 606 * 3 = 1,818 hours

answer: 3</span><span> miles in 1818 hours.</span>
3 0
3 years ago
Read 2 more answers
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Ahat [919]

Answer:

Step-by-step explanation:

7x-14-2x+6 = 5x - 8

6 0
3 years ago
Hey can you please help me posted picture of question
MAXImum [283]
Answer:
The solutions of the equation are:
4/3 and 5/8

Explanation:
To get the solution of the equation, we can either solve it algebraically or graphically.

1- algebraic solution:
The general form of the quadratic equation is:
ax² + bx + c = 0
The given equation is:
24x² - 47x + 20 = 0
By comparison, we can find that:
a = 24
b = -47
c = 20

Now, to get the roots, we will use the quadratic equation shown in the attached image.

Substituting in the equation, we would find that:
either x = \frac{-(-47) +  \sqrt{(-47)^2-4(24)(20)} }{2(24)} =  \frac{4}{3}
or x = \frac{-(-47) - \sqrt{(-47)^2-4(24)(20)} }{2(24)} = \frac{5}{8}

2- graphical solution:
To get the solution means to get the values of the x-intercepts.
Graphing the function (see attached image), we would find that the solutions are:
0.625 which is equivalent to 5/8 
and 1.3333 which is equivalent to 4/3

Hope this helps :)

3 0
3 years ago
Please Please Help ASAP, I really need Help.
vladimir2022 [97]
There are many steps to find the coordinates of the vertices of triangle ABC. 
The slope formula is y2 - y1 / x2 - x1
There would be three equation associated with this problem. 

The first equation can be found by taking the x and y's from A and B 
First Equation: 2 - 3 / 1 - (-1)
Answer: -.5

The second equation can be found by taking the x and y's from B and C
Second Equation: -1 - 2 / -3 - 1
Answer: 12

The third equation can be found by taking the x and y's from C and A
Third Equation:  3 - (-1) / -1 - (-3)
Answer: 2

These are not equal measurements so, it isn't  right angle.
8 0
3 years ago
What happens when the line y = x is changed to y = x+2.
Andreyy89

y = x means that the line is going 1 value of x for every 1 value of y.

The intersection would be at the (0,0).

However, y = x+2 would have a intersection at (0,2) when y-axis have the value 2. The slope doesn't increase, because the derivative of both slopes gives us y = 1.

Therefore, the line shifts up 2 units.

Hope you understood!

Good luck ;)

Sincerely

Astrophysicist. D

8 0
3 years ago
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