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Phoenix [80]
2 years ago
15

Reflexive property of equality: 3x-1=

Mathematics
1 answer:
kkurt [141]2 years ago
7 0
3x - 1 = 3x -1 because it's reflecting itself
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A box is to be constructed with a rectangular base and a height of 5 cm. If the rectangular base must have a perimeter of 28 cm,
maw [93]
Perimeter = 2(width+length) =28
Let x=width of base, then length of base = (28/2)-x = 14-x
Volume of box = length*width*height
=x(14-x)*5 = 5x(14-x)


3 0
3 years ago
Read 2 more answers
Anyone know how to do this
Artist 52 [7]

Answer:

Look in explanation

Step-by-step explanation:

I will assume that you're trying to solve for "x".

For number 1: 49+(5x+1) is a supplementary angle(180 degrees) so you can subtract 180-49 to get 131.

Now, 131 = 5x+1

        -1            -1

         130 = 5x

         /5      /5

Now, we isolate the x to get x=26.

Number 2: There is a supplementary angle as well so we can put 5x+12+6x+3=180.

Now, combine the like terms to get 11x+15=180 so we now isolate x.

                                                              -15   -15

                                                            11x=165

                                                            /11    /11

                                                               x=15

Now, try the rest and set the terms to 180.

5x+1+8+4x=180

2x+1+x-10=180

6+x+5x=180

x+2+153=180(This is similar to #1)

CHECK YOU ANSWERS BELOW AFTER YOU HAVE ATTEMPED THE REST OF THE PROBLEMS.

3. x=19

4. x=63

5. x=29

6. x=25

3 0
3 years ago
4x−4<8 AND 9x+5>23 Solve for X.
siniylev [52]

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>☝</em><em>✌</em><em>✌</em><em>✌</em><em>✌</em>

5 0
3 years ago
What is the estimate of 172.6 divided by 39 ?
KengaRu [80]
To the nearest tenth = 4.4 and to the nearest whole number is 4. Whatever estimation it asks you.
5 0
3 years ago
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Please please help!!!!!!
Vlad1618 [11]

Answer:

5/2

Step-by-step explanation:

duh

6 0
2 years ago
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