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QveST [7]
3 years ago
11

Mariah build a tabletop using square tiles there are 12 rows of tiles and 30 tiles in each row how many tiles does Maria use

Mathematics
1 answer:
Stells [14]3 years ago
6 0

30 \times 12 = 360
360 because 30×12=360 so it would be 360 b
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Four less than a number is more than 15.<br> PLS HELP ME I WILL GIVE 15 POINTSSS
dimulka [17.4K]

Answer:  x - 4 > 15

Step-by-step explanation:

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7 0
2 years ago
I didn't get how you wrote 1.75 like how did it come there?
sertanlavr [38]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Solve for x in the equation C = 8.5x + 6y. Show all work.
GarryVolchara [31]
C = 8.5x + 6y

Rearrange the equation by making the side with x, be on the Left Hand Side (LHS)

8.5x + 6y = C

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7 0
3 years ago
Please factor completely: <br><br> 20x^2 - 102x + 54
Temka [501]

Answer:

The answer to your question is 2(x - 9/2)(x - 3/5)

Step-by-step explanation:

Polynomial           20x² - 102x + 54

Process

1.- Find the Greatest Common Factor

                            20   102   54   2

                             10     51    27  2

                              5      51    27  3

                              5      17      9  3

                              5       17     3  3

                              5       17      1  5

                               1       17         17

                                         1

GCF = 2

2.- Factor 2

                        2(10x² - 51x + 27)

3.- Factor   10x² - 51x + 27

Use the general formula to solve this equation

                        x = \frac{-b +- \sqrt{b^{2} - 4ac}}{2a}

a = 10   b = -51   c = 27

                        x = \frac{51 +- \sqrt{51^{2} -4(10)(27)}}{2(10)}

-Simplification

                       x = \frac{51 +- 39}{20}

-Result

                        x₁ = 9/2       x₂ = 3/5

                       (x - 9/2)        (x - 3/5)

4.- Answer

                      2(x - 9/2)(x - 3/5)                              

5 0
2 years ago
Determine the value of x
Artemon [7]

Answer:

21

Step-by-step explanation:

3 0
2 years ago
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