1/5x + 1/4 = 1/2(x+5) Answer Plz I Need It!

Mathematics

1 answer:

pav-90 [236]2 years ago

5 0

Answer:

x=-15/2

Step-by-step explanation:

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Is xy = yx? Explain how you know

blagie [28]

Answer:

Yes

Step-by-step explanation:

xy=yx because either way, you would end with the same product. For example, if x was 3 and y was 2, you would have (3)(2)=(2)(3), giving you 6=6 which is, in fact, a true statement.

4 0

2 years ago

How many different ways can the letters in the word “square” be arranged ?

mr Goodwill [35]

It is known that 6 things can get arranged in 720 ways, let's look at the math of this.
There are six things so:
1×2
2×3
6×4
24×5
120×6
720

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2 years ago

Please help

MArishka [77]

2^4x-2^3x-3

2^3=2x2x2
Which equals 8

3 0

2 years ago

PLEASE HELP PLEASE PLEASE

Maslowich

Answer:

quadratic

Step-by-step explanation:

The x-values are sequential, so we can look at the y-values.

Differences from one to the next are ...

-7, -1, 5, 11, 17

And the differences of these numbers are ...

6, 6, 6, 6

When <em>second</em> differences are constant, the sequence can be produced by a <em>second</em>-degree (quadratic) polynomial.

Here, that polynomial is ...

y = 3x² +2x -1

The regression functions of a graphing calculator can help you find the appropriate formula.

6 0

2 years ago

The observation deck is about 20 m above sea level. From the observation deck, the angle of depression of the boat is 6 degrees.

Leno4ka [110]

θ\ 6 degrees
    \
\ so the θ= 180-90-6 =84 degrees so we need to find x
20m   \ tan (84)=x/20
  ____  \ x=20 tan(84)
x x=190.287

7 0

3 years ago