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deff fn [24]
3 years ago
12

Two fair dice are rolled. what is the probability that both rolls will be a three?

Mathematics
1 answer:
NISA [10]3 years ago
4 0
Each roll has a probability of 1/6.


1/6 * 1/6 = 1/36

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Help . i need the answer quicckkkkkkk
Feliz [49]

Answer:

Simplifying

an = 8n + -7

Reorder the terms:

an = -7 + 8n

Solving

an = -7 + 8n

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by 'n'.

a = -7n-1 + 8

Simplifying

a = -7n-1 + 8

Reorder the terms:

a = 8 + -7n-1

3 0
3 years ago
Read 2 more answers
M=2 and containing the point (7,6)
nata0808 [166]

Answer:

2x-y=8

Step-by-step explanation:

Equation of a line y-y1 =m(x-x1)

Given m=2, x1=7, y1=6

y-6 = 2(x-7)

y-6 = 2x-14

2x-y = 8

3 0
4 years ago
Jada was using square stickers that were 3/4in long to decorate the spine of a photo album. The spine is 10 and 1/2in long. If s
nevsk [136]

Answer:

13

Step-by-step explanation:

Given:

  1. Square stickers that were 3/4 in long
  2. The spine is 10 and 1/2 in long

If she laid the stickers side by side without gaps or overlaps so the number of sticker to cover the length of the spine:

\frac{The length of the spine}{the length of the sticker}

10 : \frac{3}{4} ≈13  

She needs 13 stickers cover the length of the spine

7 0
4 years ago
Read 2 more answers
How do you do a flow proof?
nikdorinn [45]
I can talking a flow proof about geometry 
A flow proof is just one representational style for the logical steps that go into proving a theoremor other proposition; rather than progress read in two columns, as traditional proofs do flow proofs utilize boxes and linking arrows to show the structure or the argument.
5 0
3 years ago
The Census at Schools program collects data each year from students enrolled in primary and secondary schools in many different
vlada-n [284]

Answer:

The 95% confidence interval for the population mean span of boys from participating schools in Canada is between 154.3 cm and 160.3 cm.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 100 - 1 = 99

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 99 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 1.9842

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 1.9842\frac{15.43}{\sqrt{100}} = 3

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 157.3 - 3 = 154.3 cm

The upper end of the interval is the sample mean added to M. So it is 157.3 + 3 = 160.3 cm.

The 95% confidence interval for the population mean span of boys from participating schools in Canada is between 154.3 cm and 160.3 cm.

7 0
3 years ago
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