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3 years ago

Nick was thinking of a number. Nick halves the number and gets an answer 27.3. Form an equation with X from the information

Mathematics

2 answers:

Marat540 [252]3 years ago

6 0

Answer:

$\frac{x}{54.6} =27.3$

Step-by-step explanation:

I don't know if this was the answer you were looking for but there you go, there are many other possibilities you could also use.

ElenaW [278]3 years ago

5 0

x - n = 27.3

*no guarantee that this is correct*

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You are dealt one card from a 52-card deck. Find the probability that you are not dealt a non-picture card.

andreyandreev [35.5K]

Picture cards are Jacks, queens and Kings. There are 4 of each for a total of 12 picture cards.

52-12 = 40 non picture cards.

Probability of being dealt a non picture card would be 40/52

The probability of not being dealt a non picture card would be 1 - 40/52 = 12/52 = 3/13

Answer: 3/13

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3 years ago

Anyone know this, if you do plz help me. If the octagon is cm wide what is the area?

DENIUS [597]

Answer:

Step-by-step explanation:

Corner triangle: 1/2 (2 x 2) = 2

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3 0

3 years ago

What adds up to -54 and multiplies to -16

Kaylis [27]

X + y = -54
xy = -16

$xy = -16$
$\frac{xy}{x} = \frac[-16}{x}$
$y = \frac{-16}{x}$

$x + y = -54$
$x + \frac{-16}{x} = -54$
$\frac{x^{2}}{x} + \frac{-16}{x} = -54$
$\frac{x^{2} - 16}{x} = -54$
$x^{2} - 16 = -54x$
$x^{2} + 54x - 16 = 0$
$x = \frac{-(54) \± \sqrt{(54)^{2} - 4(1)(-16)}}{2(1)}$
$x = \frac{-54 \± \sqrt{2916 + 64}}{2}$
$x = \frac{-54 \± \sqrt{2980}}{2}$
$x = \frac{-54 \± 59.6}{2}$
$x = -27 \± 29.8$
$x = -27 + 29.8$ $or$ $x = -27 - 29.8$
$x = 2.8$ $or$ $x = 56.8$

x + y = -54
  2.8 + y = -54
- 2.8 - 2.8
y = -56.8
(x, y) = (2.8, -56.8)

or

  x + y = -54
  -56.8 + y = -54
+ 56.8 + 56.8
y = 2.8
  (x, y) = (-56.8, 2.8)

The two numbers that add up to -54 and multiply to -16 are -56.8 and 2.8.

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3 years ago

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icang [17]

Answer:

8 boys for every 10 girls

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Jackson Middle School has 3 students in choir for every 1 student in band. If there are 52 students in band, how many students a

Monica [59]

Answer:

A. 156 students are in choir

Step-by-step explanation:

It states that for every 3 students in choir equals 1 student in band which give you the equation 1x3. So if band has 52 students then your new equation is 52x3 which is 156! Hope this helps!:)

6 0

3 years ago