(x-4) ( x-4)=0 explain , step by step please

2 answers:

7 0

So your goal is to make (x-4) equal 0. Just this of the number that cancels -4 out so you’ll be left with a zero in the parentheses: (4-4)(4-4)=0. So you’ll have (0)(0)=(0). We know that 0 times 0 is zero, so you’ll end up with 0=0 and since that is a true statement, x=4.

Ganezh [65]3 years ago

3 0

Answer:

x = 4

Step-by-step explanation:

<u>Step 1: Set both parts equal to 0</u>

x - 4 = 0 and x - 4 = 0

<u>Step 2: Solve for x by adding 4 to both sides</u>

x - 4 + 4 = 0 + 4 and x - 4 + 4 = 0 + 4

x = 4 and x = 4

Answer: x = 4

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Which of the following rotational symmetry is applied to the isosceles triangle

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Answer:

Rotational symmetry of 180° about the origin: Yes.

Rotational symmetry of 270° about the origin: No.

Explanation:

A figure is a rotationally symmetrical if it look the same after a given turn.

We have to analyze if the parallelogram has rotational symmetry of 180° or 270°. picture the figure rotating a given amount of degrees to see if it looks the same or not.

180 degree rotation:

We can see that the figure looks the same after a 180° rotation.

270 degree rotation:

We can see that the figure does not look the same after a 270° rotation.

So the answer will be:

Rotational symmetry of 180° about the origin: Yes.

Rotational symmetry of 270° about the origin: No.