Which of the following conjectures is false?

Mathematics

2 answers:

kaheart [24]4 years ago

6 0

It is B tell me if I’m wrong please so I can fix my mistake

Sergeeva-Olga [200]4 years ago

4 0

It’s B that doesn’t even make sense there are endless of possibilities of numbers there not all 7

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A cube has a volume of 8 cubic inches. what is the length of each edge of the cube?

snow_tiger [21]

$2 \times 2 \times 2$

5 0

3 years ago

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Which of the following graphs shows the solution set to 2x < 6 and 3x + 2 > -4?

Ilya [14]

Answer:

The third picture

Step-by-step explanation:

Solve for x in both equations

2x<6

Divide both sides by 2:

x<3

3x+2>-4

Subtract 2 from both sides:

3x>-6

Divide both sides by 3:

x>-2

There is this trick you can use when x is on the left side of the equation to find out which way to shade in you graph. Keep in mind this is only for the left side, it will not work if your variable is on the right.

When the symbol is facing left < then shade left, imagine it is pointing which way to shade. x<3 is represented by the 3 picture on the left. When the symbol is facing right > then shade right, again it is pointing which way to shade. x>-2 is represented by the 3 picture on the right.

The circles are not filled in because the symbol is < and > rather than $\leq and \geq$ . When it is greater than or equal to or less than and equal to (represented by the line under the symbol), then the circle is shaded in.