Triangle ABC was dilated to triangle A'B'C'. What was the magnitude of the dilation?

Mathematics

1 answer:

Annette [7]3 years ago

3 0

Answer:

B) 2

Step-by-step explanation:

If you start from the origin and go to point B, you went up 2, and to the left 1. Now if you go from the origin to B', you went up 4, and to the left 4. Lets compare the ratios.

2/1 and 4/2

You had to multiply the first ration by 2 to get to the second ratio.

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3u - 3 = 15 give me a lecture so i can try to do it in the future please

never [62]

Answer:

u=6

Step-by-step explanation:

One rule in algebra is what you do to one side, you do it to other side. So if you multiply a number in one side, multiply the same number in other side. Here in this question, you are trying to find the value of the variable u. Variable is called so because the value of it varies depending on different question. Here u is going to be a constant number which when multipled by 3 and then subtracted by 3 equals 15.

So first step is we try to get constants on one side. So we add 3 on both sides to get rid of 3 on left.

3u - 3 + 3= 15+3

3u= 18

Now we divide by 3 on both sides to get u by itself.

3u/3 = 18/3

u= 6

7 0

3 years ago

Use long division to find the quotient and remainder. {4x^4-5x^2+5x+9}/{x+1}

Vlada [557]

Answer:

quotient: 4x^3 -4x^2 -x +6

remainder: 3

Step-by-step explanation:

See the attached for the long division. As with any long division, at each step, the quotient term multiplies the divisor and the result is subtracted to form the new dividend.