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Leya [2.2K]
3 years ago
10

How to solve log 5 + 2log 2

Mathematics
1 answer:
Hoochie [10]3 years ago
6 0
Log20
log5  + 2 log2
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If - 4x + 6y = 9 and -2x – 7y = -8 are true equations, what would be the value of -2x + 13y?
UkoKoshka [18]

Answer:

  17

Step-by-step explanation:

The expression of interest is the difference of the two given expressions.

  (-4x +6y) -(-2x -7y) = (9) -(-8)

  -2x +13y = 17

The value is 17.

_____

<em>Additional comment</em>

You could go to the trouble to solve the two equations for x and y, then compute the value of the expression you want. As we saw above, that is not necessary.

The first step in problem solving is always "look at the given information and how it relates to what you are asked." A little time spent doing that can save a lot of effort in the actual problem solving process.

6 0
3 years ago
the temperature was 8 degrees Fahrenheit below zero in Rose to 10 degrees Fahrenheit what is the temperature now​
Svetach [21]

Answer: the answer is 2ºf

Step-by-step explanation:

-8ºf+10ºf = 2ºf

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3 years ago
3 + 4n + n = 2n + 15.
monitta

Answer:

n = 4

Step-by-step explanation:

3 + 4n + n = 2n +15

3 + 5n = 2n + 15

5n - 2n = 15 - 3

3n = 12

n = 12 / 3

  = <u>4</u>

4 0
4 years ago
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D because it is talking about meters hope this helps
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I have no clue how to do this. plz help
Phoenix [80]
+2 under the radical (h) means the graph moves two units to the left, while +4 outside the graph (k) means the graph moves up two units. Don’t forget for h, a positive number means move left, negative means right.
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