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2 years ago

Question number 3 please help

Mathematics

1 answer:

Masteriza [31]2 years ago

3 0

Answer:

Step-by-step explanation:

8 for every 10

30/10 = 3

8 x 3=24

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Solve the system by the linear combination method show all work carefully

suter [353]

<span>A-2b=2
A-b=6

</span>
<span>A-2b=2
-2(A-b=6)
-2A+2b= -12

A-2b=2
-2A+2b = -12
-------------------
-A = -10
-A/-1 = -10/-1

A = 10

a-b=6
10 - b = 6
10-10-b = 6 -10
-b = -4
-b/-1 = 14/-1
b= 4

Check
a - 2b =2
10 - 2(4) =2
10 - 8 = 2
2=2

</span>

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3 years ago

A group that was given immigration priority under the Immigration Act of 1965

Naddika [18.5K]

Answer: Applicants with advanced skilled and education.

Step-by-step explanation:

I just took a test.

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3 years ago

DATA ANALYSIS AND STATISTICSProbabilities involving two rolls of a dieAn ordinary (falr) die is a cube with the numbers 1 throug

Zepler [3.9K]

Solution

The table below is the required sample space of the to fair die

From the above table

The sample space contain 36 outcomes

Event A: The sum is greater than 9

we will look at the table and count all the elements that are greater than 9

There are 6 elements (they are 10, 10, 10, 11, 11, 12 from the table)

The probability for event A will be

$\begin{gathered} p(A)=\frac{\text{required outcome}}{\text{total outcome}} \\ p(A)=\frac{6}{36} \\ p(A)=\frac{1}{6} \end{gathered}$

P(A) = 1/6

Event B: The sum is an even number.

We will look at the table and count the number of elements that are even

There are 18 elements (notice that there are 3 even number on each of the 6 rows of the table)

The probability for event B will be

$\begin{gathered} p(B)=\frac{\text{required outcome}}{\text{total outcome}} \\ p(B)=\frac{18}{36} \\ p(B)=\frac{1}{2} \end{gathered}$

p(B) = 1/2

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1 year ago

When spinning a penny, Claire believes the proportion of times the penny lands on heads is higher than 0.5. She spins a penny 50

ss7ja [257]

It depends on what the level of significance (alpha) is.

Since alpha is not stated, I'll assume that alpha = 0.05 by default.

Because the p-value is smaller than alpha, we reject the null hypothesis.

Therefore, we conclude that the alternative hypothesis is correct and the proportion of heads is greater than 0.5

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2 years ago

Their is 5 question each picture is one solve 30 points all the questions go together

MrMuchimi

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4 years ago