3 years ago

Add up the answer first to see of these correct or incorrect, if incorrect explain why it is not equal.

Mathematics

1 answer:

Stells [14]3 years ago

8 0

Answer:

1) incorrect

2) incorrect

Step-by-step explanation:

-2x-2x = 0 ?

-2x -2x = -4x

It will be 0 only if x = 0.

Not always true, so incorrect

x+x = x² ?

2x = x²

They will be equal if x = 0 or 2.

Not always true so incorrect

You might be interested in

As an example, suppose the universal set U is the set of all whole numbers. Let A be the set of all multiples of, B the set of a

AfilCa [17]

Answer:

i think if you read it you should get an awnser

Step-by-step explanation: just keep trying bro

6 0

3 years ago

Find the equation of the exponential function represented by the table

Rainbow [258]

Answer:

y=-3.5x^2+9.5x-4

Step-by-step explanation:

y=a*x^2+b*x+c

4=0+0+c => c=-4

2=a+b-4 =>a+b=6

1=4a+2b-4 => 4a+2b=5

2a+b=2.5

a+b=6

a=-3.5

b=9.5

7 0

3 years ago

If angle B = x°, what is the measure of a supplement of angle B

kozerog [31]

Answer:

Step-by-step explanation:

3 0

3 years ago

1. In the middle of the page, draw two circles an inch apart.

Tom [10]

The answer is b, glasses

4 0

3 years ago

Lyza has a 9 inch board. She wants to measure the length of a small rug in feet. How can she do this?

kramer

Since the board is in inches, she can lay the board on the side of the rug. after she finds how many inches the rug is, Lyza can convert the inches into feet by dividing the amount of inches by 12.

8 0

3 years ago