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Alex787 [66]
4 years ago
13

3) Solve the quadratic equation by taking square roots. 3x^2 – 8 = 12

Mathematics
1 answer:
iris [78.8K]4 years ago
8 0

Answer:

The answer is in the photo

Step-by-step explanation:

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The answer is B.


(the equation to solve this with is: a^2 + b^2 = c^2)
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Answer:

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What is the equation of a line that passes through (1,5) and (3,11)? Show work please.
jekas [21]
First, find the gradient/slope:
Use slope formula:
m=(y2-y1)/(x2-x1)
=(11-5)/(3-1)
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3 0
3 years ago
What is the median. I have 3 more questions that have to deal with the median.
Rom4ik [11]

Answer:

<h2><u>47.5</u></h2>

Step-by-step explanation:

Median - The middle number in a list of numbers starting from least to greatest.

Knowing this, we can start.

The first step is to rewrite all the numbers from least to greatest

15, 19, 28, 32, 43, 52, 66, 72, 72, 81

Now cross off a number from the least and greatest until there is 1 or 2 numbers left

19, 28, 32, 43, 52, 66, 72, 72

28, 32, 43, 52, 66, 72

32, 43, 52, 66

43, 52

If you are left we 1 number, that is your answer. If you are left with 2 numbers, there is an extra step

In the case that you have 2 numbers, you need to add them together, and divide by 2

43 + 52 = 95

95 ÷ 2 = 47.5

Thus 47.5 is our answer

6 0
3 years ago
To find 23 times 8, double and halve
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The answer is 184. 23 * 8 = 184. 184 * 2 = 368. 368 ÷ 2 = 184
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