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Aleks [24]
3 years ago
7

I've given up on math, help would be wildly appreciated

Mathematics
1 answer:
REY [17]3 years ago
3 0

Answer:

1. \frac{2}{3} probability

2. head represents cats (let's say) and tails represent dogs, flip two coins to determine whether the family has 2 cats or 2 dogs or 1 cat and 1 dog.

3. Take two coins, flip them, record heads and tails of each flip for 50 flips (I ain't no doing this)

4 - 6. answer these questions based on the data you got...

The End

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What percent is $58 of $75 (to the nearest hundredth)?
Triss [41]

For this case we can make the following rule of three:

75 -----------------> 100%

58 -----------------> x

From here, we clear the value of x.

We have then:

x = (\frac{58}{75}) * (100)\\x = 77.33333333

Rounding to the nearest hundredth we have:

x = 77.33%

Answer:

58 is 77.33% of 75

4 0
3 years ago
Read 2 more answers
Which of the following are solutions to | x - 1 |=5x + 2 ?
shutvik [7]

Use the definition of absolute value,

|x| = \begin{cases} x & \text{if } x \ge 0 \\ -x & \text{if } x < 0 \end{cases}

If x - 1 ≥ 0, then |x - 1| = x - 1, and so

|x - 1| = 5x + 2

x - 1 = 5x + 2

4x = -3

x = -3/4

Otherwise, if x - 1 < 0, then |x - 1| = -(x - 1), which means

|x - 1| = 5x + 2

-x + 1 = 5x + 2

6x = -1

x = -1/6

7 0
3 years ago
Aileen wants 2 green marbles. What is the probability she will draw 2 green marbles at random if she replaces the first marble b
nirvana33 [79]

Of the 10 marbles in the container, 5 are green.  So if Aileen doesn't peek,
her chance of drawing a green marble is  5/10 or  0.5 .

The chance that she will draw a green marble the first time is  0.5 .
The chance that she will draw a green marble the second time is 0.5 .

The probability that she will draw a green marble <u>both</u> times is

             (0.5) x (0.5) = <em>0.25 </em> or  25 percent .


4 0
3 years ago
Given f(x) = the quantity of x plus 4, divided by 6, solve for f−1(7).
gregori [183]
F (x)=(x+4)/6
f-1 (7)=x
f (f-1 (7)=f (x)
7=f (X)
7=(x+4)/6
x+4=42
x=38
3 0
4 years ago
Gina Wilson unit 6 homework 4
Margaret [11]

Answer:

  • 10) 57.6
  • 11) 27.3
  • 12) 12.75
  • 13) 10
  • 14) 14
  • 15) 5

Step-by-step explanation:

  • <em>If three or more parallel lines are cut by two transversals, then they divide the transversals proportionally.</em>

<u>Using the above we find the value of x</u>

10.

  • x/48 = 30/25
  • x/48 = 6/5
  • x = 48*1.2
  • x = 57.6

11.

  • x/ (49 - 28) = 36.4/28
  • x/21 = 9.1/7
  • x = 21*9.1/7
  • x = 27.3

12.

  • (2x + 6)/36 = 52.5/60
  • (x + 3)/18 = 7/8
  • x + 3 = 18*7/8
  • x + 3 = 15.75
  • x = 12.75

13.

  • (x - 3)/21 = (x - 1)/27
  • 9(x - 3) = 7(x - 1)
  • 9x - 27 = 7x - 7
  • 9x - 7x = 27 - 7
  • 2x = 20
  • x = 10

14.

  • (2x + 5)/22 = (x + 10)/16
  • 8(2x + 5) = 11(x + 10)
  • 16x + 40 = 11x + 110
  • 16x - 11x = 110 - 40
  • 5x = 70
  • x = 14

15.

  • (7x - 11)/(4x - 2) = 20/(35 - 20)
  • (7x - 11)/(4x - 2) = 4/3
  • 3(7x - 11) = 4(4x - 2)
  • 21x - 33 = 16x - 8
  • 21x - 16x = 33 - 8
  • 5x = 25
  • x = 5

5 0
3 years ago
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