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nydimaria [60]
3 years ago
10

Can you help me, please BRAINLIEST included ​

Mathematics
1 answer:
liberstina [14]3 years ago
7 0

Answer:

P = 3x + 7

Step-by-step explanation:

The perimeter (P) is the sum of the 3 sides of the triangle, that is

P = x + 5 + x + 4 + x - 2 ← collect like terms

  = 3x + 7

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Which transformations have been applied to the graph of f(x) = x2 to produce the graph of g(x) = –5x2 + 100x – 450? Check all th
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Consider the function g(x) =-5x^2 + 100x- 450. First you need to simplify it by expressing the perfect square:

g(x) =-5x^2 + 100x- 450=-5(x^2-20x+90)=-5(x^2-2\cdot x\cdot 10+10^2-10^2+90)=-5((x-10)^2-100+90)=-5(x-10)^2+50.

So you get g(x) =-5(x-10)^2+50.

Now you can consider all transformations that have been applied to the graph of f(x) = x^2 to produce the graph of g(x):

  1. translate the graph of the function f(x) right 10 units - this transformation gives you the graph of the function f_1(x)=(x-10)^2;
  2. reflect graph of the function f_1(x) about the x-axis. This transformation gives you the graph of the function f_2(x)=-(x-10)^2;
  3. stretch the graph of the function f_2(x) in the y-direction by multiplying the whole function by 5, then you get the function f_3(x)=-5(x-10)^2;
  4. translate the graph of the function f_3(x) up 50 units, then you get the graph of the function g(x) =-5(x-10)^2+50.

From the algorithm above you can conclude that choices B, E and F are correct.

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A cab company charges according to the following rate chart. Which graph correctly represents the rates?
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Evaluate the following expression. (xy)^0
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4 0
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Pls help me please help me out and give me the answers
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for 1. the area is 16 sq inches

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(Plz, im desperate!)A certain bakery has found that the daily demand for bran muffins is 7700/p, where p is the price of a muffi
melisa1 [442]

Answer:

P = 70 cents per muffin

Step-by-step explanation:

It says to find the price when the supply and demand are equal, so you have to set the two equations equal to each other.

7700/p = 3p-100.

It seems to me that the best way to solve this would be to set up a quadratic equation.

If you multiply both sides by p and then subtract 7700, you get the following:

0=3p^2 -100p -7700

I wrote a program to solve this, and I got the answers p= 70 and -36.67.

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