a fair coin is tossed 3 times. What is the approximate probability of heads apppearing atleast one time

Answer:

x=8

Step-by-step explanation:

add 1 to each side

x/2-1=3

    +1  +1

x/2=4

multiply each side by 2 to isolate the varible

x/2=4

 x2  x2

x=8

27,216,268

        9292

   x   2929

   ________

27,216,268

Answer:

27216268

Step-by-step explanation:

I looked it up lol

Answer:

The linear equation containing the points (0.5, 10) and (-4.5, -10) will be:

Please check the attached graph also.

Step-by-step explanation:

Given the points

Finding the slope between (0.5, 10) and (-4.5, -10)

[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\left(x_1,\:y_1\right)=\left(0.5,\:10\right),\:\left(x_2,\:y_2\right)=\left(-4.5,\:-10\right)[/tex]

[tex]m=\frac{-10-10}{-4.5-0.5}[/tex]

Refine

[tex]m=4[/tex]

Using the point-slope form of the line equation

[tex]y-y_1=m\left(x-x_1\right)[/tex]

where

substituting the values m = 4 and the point (0.5, 10)  in the point-slope form

[tex]y-y_1=m\left(x-x_1\right)[/tex]

[tex]y - 10 = 4(x-0.5)[/tex]

Add 10 to both sides

[tex]y-10+10=4\left(x-0.5\right)+10[/tex]

Simplify

[tex]y=4x+8[/tex]

Therefore, the linear equation containing the points (0.5, 10) and (-4.5, -10) will be:

Please check the attached graph also.

I don't understand like what

Answer:

Step-by-step explanation:

look at the image

the measure of angle COD will be 101°

angle AOB and angle COD are vertically opposite angles

um theres alot of numbers well exactly 8 but im going to choose 23

Hope this helped :>

Answer:

2 scoops per pitcher,

Step-by-step explanation:

2 (per pitcher) * 4(pitchers) = 8

2 scoops makes 1 pitcher and she's using 8 scoops so that would give us 4 pitchers.

Answer:

-3(22-d) ?

Step-by-step explanation:

I hope this is right please let me know

Answer:

table A

Step-by-step explanation:

1,2 3,6 4,8 5,10

I did the test

The table A shows a proportional relationship between x and y, for every value of x, y doubles.

A proportional relationship exist between two entities if an increase in one causes an increase in another or vice versa.

x             y

1            2

3           6

4           8

5           10

x               y

1               3

2              4

4              6

6              8

Thus, the table A shows a proportional relationship between x and y, for every value of x, y doubles.

Learn more about proportional relationship here: https://brainly.com/question/2575222

Answer:

[tex]\frac{3}{5}[/tex] x [tex]\frac{10}{7}[/tex]

Step-by-step explanation:

Answer:

$2

Step-by-step explanation:

did it in my head........

Answer:

its -0.4, are those rlly the options? if they are jus round up and do -1

Answer: x=3

Step-by-step explanation:

3x= 11-2

3x=9

then divide each side by 3

3 divide 3 =1 9 divide 3 = 3 so...

x=3

Answer:3/4

Step-by-step explanation:

Answer: the statement which is not true is: each fraction is greater than the previous fraction

Step-by-step explanation:

Because all the fractions are equivalent to 2/3 . So, they are equal

Answer:pretty sure its 0.25n+6

Step-by-step explanation: that seems the most reasonable

Answer:

d

Step-by-step explanation:

its a triangle all sides are equal. so it would be d-60 degrees

Sum of interior angles of a △ = 180°

∴ ∠T + ∠V + ∠U = 180°

⇒ 37° + 63° + X° = 180°

⇒ X° + 100 = 180°

⇒ X° = 180° - 100°

⇒ X° = 80° (D).

Answer:

1500 words in 20 minutes

Step-by-step explanation:

So 225/3 min

or 225:3

so to find unit rate just divide

225/3=75

75 per minute

Now 75 words per minute times 20 minutes75*20=1500

So 1500 words in 20 minutes

Answer:

1500

Step-by-step explanation:

225/3= 75

75 words per 1 min

75 x 20= 1500

Answer:

v=15

Step-by-step explanation:

31+4v+44=9v

Answer:

v = 15

Step-by-step explanation:

By exterior angle theorem:

9v° = 31° + (4v + 44)°

9v° = (4v + 44 + 31)°

9v = 4v + 75

9v - 4v = 75

5v = 75

v = 75/5

v = 15

Answer:

I believe it equals -6x²+10x+7

Step-by-step explanation:

The equivalent expressions are:

x² + 11x + 18

2x² + 7x - 4

x² - 10x + 25

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

(x + 2) (x + 9)

(x + 4) (2x - 1)

(x - 5)²

Now,

Applying the distributive property.

1)

(x + 2) (x + 9)

x² + 9x + 2x + 18

x² + 11x + 18

2)

(x + 4) (2x - 1)

2x² - x + 8x - 4

Combining the like terms.

2x² + 7x - 4

3)

(x - 5)²

(x - 5) (x - 5)

x² - 5x - 5x + 25

x² - 10x + 25

Thus,

The equivalent expressions are:

x² + 11x + 18

2x² + 7x - 4

x² - 10x + 25

Learn more about expressions here:

https://brainly.com/question/3118662

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Answer:

By the Empirical Rule, 68% of the data would be between 19.8 and 28.2

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 24

Standard deviation = 4.2

What percentage of the data would be between 19.8 and 28.2

19.8 = 24 - 4.2

28.2 = 24 + 4.2

So within one standard deviation of the mean

By the Empirical Rule, 68% of the data would be between 19.8 and 28.2

Answer:

45

Step-by-step explanation:

54 is what percent of 120? = 45