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garri49 [273]
3 years ago
15

PLEASE HELP!!!!!!!!!

Mathematics
1 answer:
Ne4ueva [31]3 years ago
5 0
Third quartile=20
median=17
difference=20-17=3
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Y=2x+1<br> y=4x-1<br> SHOW YOUR WORK PLEASE
Tanya [424]

Let's solve your system by substitution.

y=2x+1;y=4x−1

Step: Solve y=2x+1for y:

y=2x+1

Step: Substitute2x+1foryiny=4x−1:

y=4x−1

2x+1=4x−1

2x+1+−4x=4x−1+−4x(Add -4x to both sides)

−2x+1=−1

−2x+1+−1=−1+−1(Add -1 to both sides)

−2x=−2

−2x

−2

=

−2

−2

(Divide both sides by -2)

x=1

Step: Substitute1forxiny=2x+1:

y=2x+1

y=(2)(1)+1

y=3(Simplify both sides of the equation)

Answer:

x=1 and y=3

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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!<br><br> Which graph represents
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Answer: D

<u>Step-by-step explanation:</u>

Vertex form is: f(x) = a(x - h)² + k  where (h, k) is the vertex.

f(x) = (x - 3)² - 5      

  • the vertex is (3, 5).  
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The only graph that matches is the last one, <em>which I called graph D.</em>

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