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Pavlova-9 [17]
4 years ago
7

Please answer! Solve for X

Mathematics
2 answers:
Sedbober [7]4 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

We can solve this by using ratios of similar triangles

3           x

------ = ------------

3+9           12

3           x

------ = ------------

12           12

x must equal 3 to keep the ratios the same

trapecia [35]4 years ago
3 0

Answer: x = 3

Step-by-step explanation:

The question involves two triangles,

Big triangle AED,

small triangle ABC.

Both triangles are similar and

AED has base of 9 + 3 = 12 and heught of 12

ABC has base of 3 and height of x

To find x we equate the ratios of their height to their base

x/3 = 12/12

x/3 = 1

x = 3

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Answer:

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Step-by-step explanation:

What you do is you have to get the letter by itself and it all depends on the less than or greater than signs.

For #1. -m+8>6. What you do is you minus 8 from both sides to get -m>-2. You still have a -m so you need to divide both sides by a -1. (<em><u>one thing to remember is when you divide by a negative you have to switch the sign.</u></em>) So your answer will be m<2. That will make the last graph the answer.

For #2. -2p< or equal to -10. What you do is divide by -2. and you need to remember to switch the sign. So your answer is p> or equal to 5.

You will do the same for the other two equations but your answers are.

#1. is the last one graph.

#2. is the 3rd one graph.

#3. is the first one graph.

#4. is the 2nd one graph.

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