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ikadub [295]
3 years ago
13

How does the coordinate rule for making two similar shapes relate to the scale factor?

Mathematics
1 answer:
torisob [31]3 years ago
6 0
The scale factor is what you multiply to get the new shape, so if it was (x+1,Y+1) the entire shape would enlarge by 1 .Hope this helps :)
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Complete the equation of the line through (−8,8), and (1,-10 ). Use exact numbers. Help me please my dog just died and I want to
katrin2010 [14]

Answer: (Mayadc821 wrote this anwser check theyre account for more)

Since you know the x and y values, you just have to plug these into the linear slope-intercept equation:

y = mx + b

-10 = m(1) + b

m + b = -10

b = -10 - m

Now that we have a value for b, we can plug this into the other equation:

8 = m(-8) + b

8 = -8m + (-10 - m)

8 = -9m -10

18 = -9m

m = -2

Now that we know what m is equal to, we can plug this into our first equation to get an answer for b:

b = -10 - m

b = -10 -(-2)

b = -10 + 2

b = -8

Our final equation is y = -2x - 8

6 0
3 years ago
The factorization of x2 + 3x – 4 is modeled with algebra tiles. An algebra tile configuration. 2 tiles are in the Factor 1 spot:
arsen [322]

Answer:

The factors of x^2+3x-4 are (x-1)(x+4) ....

Step-by-step explanation:

We have to find the factors of x^2+3x-4

As we know that this is a quadratic equation.

So we have to find the roots first.

The roots are -1 and 4.

Now completing the quadratic formula using the roots we have :

x^2+4x-x-4

Make a pair of first two terms and last two terms:

(x^2+4x)-(x+4)

Now take out the common from each pair:

x(x+4)-1(x+4)

(x-1)(x+4)

Thus the factors of x^2+3x-4 are (x-1)(x+4) ....

5 0
3 years ago
Read 2 more answers
How many days are in two years
klasskru [66]
There are 365 days in one year. So to find the amount of days in two years, we do 365*2 to get 730 days

Hope this helps!
6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 63?<br> а<br> 06x3<br> О 6х6х6<br> я<br> 6х6х6х6<br> O3х3х3х3х3х3
Ne4ueva [31]
None of them? 6x3 is 18, 6x6x6 is 216, 6x6x6x6 is 1296, and 3x3x3x3x3x3 is 729
4 0
3 years ago
Which matrix is singular? <br><br>A. A <br><br>B. B <br><br>C. C <br><br>D. D
anyanavicka [17]

Answer:

D. \left[\begin{array}{ccc}-12&-4\\9&3\end{array}\right]

Step-by-step explanation:

In order for a matrix to be singular, the determinant has to be zero.

6 0
3 years ago
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