Which property justifies the following statement?

Mathematics

2 answers:

Alika [10]3 years ago

7 0

Answer:

substitution property of equality

Step-by-step explanation:

x = 2

y = 3x - 11

then

y = 3 x 2 - 11

2 was substituted for x

TiliK225 [7]3 years ago

6 0

Answer:

substitution property of equality

Step-by-step explanation:

im assuming this means that you substitute x's value of 2 into the equation y=3x2-11. i'm guessing that it's meant to be 3x2, instead of 3.2. i hope this makes sense, and i hope i answered it as you needed!

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tara has a rectangular lot measures 88 ft by 91 ft and wishes to use fencing to enclose the garden. how much fencing does she ne

Igoryamba

Fencing means parameter and as parameter of rectangle is equal to sum of lengh and width multiply 2
now parameter=2×91+88
=2×179
=358 ft
hence tara needs 358 ft fencing

5 0

3 years ago

Plot 5 parabolas, one through each set of color-coordinated points. (image attached)

Ahat [919]

Answer:

Red: y=(x+6)^2-1

Blue: y=-(x+3)^2+1

Green: y=(x^2-1)

Orange: y=-(x-3)^2+1

Purple: y=(x-6)^2-1

Step-by-step explanation:

Use Desmos to check