Any time a scientific theory is challenged it means it's not a good theory. Why?

2 answers:

7 0

All I know is that a theory is a hypothesis that has been proven correct many times. So based on that if it is a scientific theory that has been proven correct many time by many people and now it is being challenged because maybe something new was discovered. That doesn't always mean it is not a good theory.

Hope this helps.

likoan [24]3 years ago

5 0

If a theory is challenged, then that means that the theory may have a specific flaw, making it "not good"

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What combination of transformations is shown below?

Anastasy [175]

Answer:

Rotation then reflection

Step-by-step explanation:

The triangle starts where the light green one is. Then it is rotated 90 degrees clockwise around the point where the hypotenuse and longer leg meet. From the sark green triangle it is reflectd to where the purple triangle is.

8 0

3 years ago

The sum of 2 of the exterior angles of a triangle is 222 degrees. What is the measure of the third exterior angle?

zysi [14]

Answer:

Exterior angles always add up to 360 degrees, therfore 360 - 222 = 138

Step-by-step explanation:

360 - 222 = 138

the answer to your question is 138degrees.

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5 0

2 years ago

Read 2 more answers

X = 7W? + 4w - 6 Y =w2 - 11w +13 X-Y Your answer should be a polynomial in standard fom.

svp [43]

Answer: $w^2-22w+19$

Step-by-step explanation:

$X=7w+4w-6\\Y=w^2-11w+13\\$

$(7w+4w-6)-(w^2-11w+13)\\7w+4w-6-w^2+11w-13\\(7w+4w+11w)+(-6-13)-w^2\\22w-19-w^2\\-w^2+22w-19$

Normally we wouldn't have our square variable be negative, so in order to get rid of that negative sign without changing the equation is by multiplying by -1

$-1(-w^2+22w-19)\\=w^2-22w+19$