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irga5000 [103]
3 years ago
10

Is the equation a true statement when x -3 is -3 a solution to the equation 6x + 5=5x + 8 +2x

Mathematics
2 answers:
Degger [83]3 years ago
7 0

Answer:

go to the link

Step-by-step explanation:

https://answers.yahoo.com/question/index?qid=20070620063730AAaJuXa

or

These questions are SOOO easy, but I just don't have a clue. (don't even know if they technically are algebra they are that easy).

x² - 8x - 20 =

(x+10) (x-2)

Thats what I got for that answer (lucky guess) but how do you know which side each sign goes on.. ie (x+10)(x-2) or (x+2) (x-10)??

Same problem with this question...

(x-6) (x-5) =

x² - 11x + 30

ch4aika [34]3 years ago
7 0

Answer:

Yes, a solution

Step-by-step explanation:

Plug -3 in for all the x's to see if it is a solution

6x + 5=5x + 8 +2x

6(-3)+5=5(-3)+8+2(-3)

Multiply on the left

-18+5=5(-3)+8+2(-3)

Add on the left

-13=5(-3)+8+2(-3)

Multiply on the right

-13= -15+8-6

Add on the right

-13=-7-6

-13=-13

Because they are equal, -3 is a solution

Hope this helps! :)

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Answer:

D

Step-by-step explanation:

4 0
2 years ago
A blueprint shows the mater bedroom to be 5 inches long and 3 inches wide. The scale on the blueprint is 2 in : 11 ft. What is t
Anna35 [415]

Answer:

453.75 sq. feet

Step-by-step explanation:

In this question, we are going to calculate the area of a room given the blue print measurement and the actual measurements with the answer being in the actual measurement.

To correctly do this, it is best if the measurements are converted to the actual.

The measurements we’ll be trying to convert is 5 inches by 3 inches with a scale of 2in to 11ft ( same as 1 in to 5.5 ft)

The 5 inches blueprint measurement will be 5 * 5.5 = 27.5 ft

The 3 inches blueprint measurement will be 3 * 5.5 = 16.5 ft

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7 0
3 years ago
Help me with this please.
Ira Lisetskai [31]

Answer:

JL = 78

Step-by-step explanation:

MN is a midsegment. Based on the midsegment theorem,

MN = ½(JL)

MN = 5x - 16

JL = 4x + 34

Plug in the value

5x - 16 = ½(4x + 34)

5x - 16 = ½*4x + ½*34

5x - 16 = 2x + 17

Collect like terms

5x - 2x = 16 + 17

3x = 33

Divide both sides by 3

x = 11

✔️JL = 4x + 34

Plug in the value of x

JL = 4(11) + 34

JL = 44 + 34

JL = 78

5 0
3 years ago
Factor 2x2 + 6x – 108.
bekas [8.4K]

Answer:

option A is correct

hope it helps

4 0
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max2010maxim [7]

Answer:

b is 15.

Step-by-step explanation:

Trust me on this, The answer could only be 15 when solving for b. Hopefully that helps.

8 0
2 years ago
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