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liq [111]
3 years ago
13

Which of the following statements is not true of scientific experiments? Which of the following statements is not true of scient

ific experiments? They must occur under carefully controlled conditions found in a laboratory. They must be well documented. They yield useful results regardless of whether the hypothesis is supported or rejected.
Mathematics
1 answer:
Alenkinab [10]3 years ago
7 0

Answer:

The false statement is: They must occur under carefully controlled conditions found in a laboratory.

Step-by-step explanation:

Scientific experiments do not always occur in laboratories, also, in the case of social studies, the experiments are done under not controlled conditions to prove the hypothesis.

On the other hand, all scientific experiments must be well documented and they always give useful results (in case the hypothesis is rejected, future investigations will use other hypothesis).

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Solve for x<br><br> x² + 10x + 25
Sonbull [250]

Hi,

Answer: (x+5)^2

<u>My work:</u> For this problem can be easily achieved by factoring your terms. To do this you figure out what can go into 10x and 25 which is 5. From the there you take x^2 and 10x and see what can take out which would be x. Your answer would be (x + 5)^2 or (x +5) (x + 5). This can be done in 2 easy steps!

<u><em>Numerical work:</em></u>

1.x^2 10x +25

Before this step figure out what goes into you equation.

2. (X + 5)^2 or (X+5) (X + 5)


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3 years ago
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A patio blueprint has a key that shows 1 inch is equal to 12 feet. If the owner wants the length to be 30 feet, how many inches
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Answer:

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3 years ago
What is the additive inverse of -2 + 8i?
tatuchka [14]

Answer:

2 - 8i

Step-by-step explanation:

The additive inverse of something is basically the opposite of it. Another way to say this is that when you add the additive inverse to -2 + 8i, it will equal 0.

<u>An example:</u>

The additive inverse of 7 is -7 because not only is it the opposite, but also when you add 7 and -7, it equals 0.

<u>To solve</u>

So all you need to do is find the opposite of -2 + 8i. You can write it as:

-(-2 + 8i)  With the negative in the front because we want to find the opposite.

This then equals:

2 - 8i

You can check your answer by adding -2 + 8i and 2 - 8i to see if it equals 0:

(-2 + 8i) + (2 - 8i)  →  and it does equal 0

<u>ANSWER:</u> 2 - 8i

Hope you understand and that this helps with your question! :)

8 0
3 years ago
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