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2 years ago

9

The list below shows all of the possible outcomes for flipping four coins. HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THT

H THTT TTHH TTHT TTTH TTTT What is the probability of at least two coins landing on heads? StartFraction 5 over 16 EndFraction StartFraction 3 over 8 EndFraction One-half StartFraction 11 over 16 EndFraction

2 answers:

nasty-shy [4]2 years ago

7 0

Answer:

d

Step-by-step explanation:

Anton [14]2 years ago

6 0

Answer

11 over 16

Step-by-step explanation:

i have no explanation but i got it right

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Write and solve a real-world additional problem including the sum of a rational number and it's additive inverse?

Harrizon [31]

If Kayla has a red ribbon with length 25 9 m and piece of 5 7 m is cut from it and gave to Sania . Find how much long ribbon left with her?

Kayla has a ribbon of length = 25 9 m.
Part of ribbon give to Sania = 5 7 m.
So, the length of the ribbon left =25 9 m - 5 7 m = 175 63 = 130 63 m
So , the ribbon left with Kayla is 2.06 m .

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2 years ago

Solve the system by graphing. Write the solution as an ordered pair. y = 1/3x + 2 y = –x – 2

Dima020 [189]

ANSWER

The solution is where the two graphs intersect, which is
$(-3,1).$

EXPLANATION

The given system of equations are
$y = \frac{1}{3} x + 2$
and

$y = - x - 2$

We need to graph the two equations.

Let us graph

$y = \frac{1}{3} x + 2$
first.

We need at least two points.

You can choose any appropriate value for x and solve for y. Choosing zero makes our working easier. So let us plot the intercepts.

When
$x = 0$

$\Rightarrow \: y = \frac{1}{3} (0) + 2$

$\Rightarrow y = 0 + 2$

$\Rightarrow y = 2$

So this gives us the ordered pair,

$(0,2)$

When
$y = 0$
we get,

$0= \frac{1}{3} x + 2$

$\Rightarrow \: - 2 = \frac{1}{3} x$

$\Rightarrow \: - 2 \times 3= x$

$\Rightarrow \: -6= x$
This also gives the ordered pair

$(-6,0).$

We plot these two points and draw a straight line through them to obtain the blue graph in the attachment.

For the second line

$y = - x - 2$

We again find the intercepts and plot them.

When
$x = 0$

$y = - 0 - 2$

$\Rightarrow \: y = - 2$

This gives the ordered pair

$(0,-2)$

Also, when
$y = 0$

then we have,

$0 = - x - 2$

$2 = - x$

$x = - 2$

Then we again have the ordered pair,

$(-2,0)$

We plot these two points on the same graph sheet to obtain the red graph above.

The intersection of the two lines is
$(-3,1)$

You will get good grades so don't worry much.

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2 years ago

Find the volume of a cone with diameter 3.6 inches and height 2.2 inches.

sleet_krkn [62]

The answer is 7.46 , so when rounded, the answer is B

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2 years ago

Can u tell me which one is the median in here??

ki77a [65]

Answer:

-1

Step-by-step explanation:

To calculate the median, you select the middle number. So first, we must put the numbers in order

-23, -20, -16, -<u>1,</u> -1, 10, 10

The middle number is -1. (there are 3 numbers either side)

4 0

3 years ago

Plz help!! A jar contained 6 red marbles, 10 green marbles, and 8 blue marbles. A marble was selected at random, the color was r

Inessa [10]

Answer:

To calculate the relative frequency, first we need to know what exactly is and how to calculate it.

Relative frequency is the ratio between the absolute frequency (how many repetitions have a specific outcome) and the total outcomes. Also, this type of frequency is used to show the representation that some data have over the whole distribution.

So, in this case, we need to just divide 13, which belongs to red marble's results, to 60 which is the total outcomes, as it's presented:

13redmarble Fr = -------------------------

60 totalmarbles

Normally, relative frequency is shown as a percentage multiplying this result by 100. Therefore, 22% is the approximate percentage of the relative frequency, which means that 22% is the representation of red marbles outcomes of the whole distribution, or we can say it as a probability: there's 22% of chances when someone extract a marble, it will be red.

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2 years ago