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noname [10]
3 years ago
10

Please help me asap

Mathematics
1 answer:
Leya [2.2K]3 years ago
3 0
1 and 2 are vertical angles
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Apply the square root principle to solve (x-5)^2-40=0
Nitella [24]

Answer: {5 ± 2√10, 5 - 2√10}

Step-by-step explanation: First isolate the binomial squared by adding 40 to both sides to get (x - 5)² = 40.

Next, square root both sides to get x - 5 = ± √40.

Notice that root of 40 can be broken down to 2√10.

So we have x - 5 = ± 2√10.

To get <em>x</em> by itself, add 5 to both sides to get x = 5 ± 2√10.

So our answer is just {5 ± 2√10, 5 - 2√10}.

As a matter of form, the number will always come before the

radical term in your answer to these types of problems.

In other words, we use 5 ± 2√10 instead of ± 2√10 + 5.

4 0
3 years ago
35/k = 7/3 what is this answer
miv72 [106K]

Answer:

K=15

Step-by-step explanation:

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What is equivalent to 4(8n)?
rosijanka [135]

Answer:

32n

Step-by-step explanation:

4(8n) = 4 * 8 * n = 32 * n = 32n

thank, 5 star, and brainliest if helpful!

7 0
3 years ago
Help me for brainlist
beks73 [17]

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answer is not there answer is 64in^2

Step-by-step explanation:

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A pyramid has a square base. The base edge is one-half of the height of the pyramid. If the base edge is 6 units, what is the vo
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144 units. Hope this helps!

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