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Svetlanka [38]
3 years ago
5

Three multiplied by two plus four times nine divided by three

Mathematics
2 answers:
lys-0071 [83]3 years ago
5 0
A=14
(3*2)+(4*9)/3 do the parentheses first then add then divide
Fed [463]3 years ago
4 0

Answer:

18

Step-by-step explanation:

We will use PEMDAS to solve this.

First lets write our problem out so it is easier to solve:

3 x 2 + 4 x 9 divided by 3= ?

Using the rule of PEMDAS, we start with multiplication because there are no parenthesis or exponents.

3 x 2 + 4 x 9 divided by 3= ?

^ 6         ^36        

So now our equation looks like this:

6+36 divided by 3

Next we divide (6 + 36 divided by 3= ?):

36 divided by 3 = 12

So our equation is down to 6+12

To solve just do simple addition. 6+12=18

So the answer is 18

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Please help me solve this: 6 1/3 + k + 3 5/6 + 5 1/2 = 26 1/6
attashe74 [19]
6 1/3 + k + 3 5/6 + 5 1/2 = 26 1/6 
Add your fractions 
6 1/3 + 3 5/6 + 5 1/2 = 15 2/3
now You need to isolate k on one side of the equation by using the subtraction method of equality.
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Hope this helps

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5 0
3 years ago
Read 2 more answers
Question 1
xxTIMURxx [149]

Answer:

The teacher randomly divides the class into two groups. One of the groups receives computer-based instruction and the other group receives traditional instruction without computers. After instruction, each student takes a test and the teacher wants to compare the test scores of the two groups.

Step-by-step explanation:

A two sample t-test is used to compared the means of two samples who were exposed to different scenarios and therefore, it helps us to see the difference between these two samples.

In this problem, the teacher is experimenting with a new computer-based instruction. To be able to use the two-sample t-test she would have to have two randomly assigned samples and expose each of these two samples to different scenarios (one would receive a traditional instruction and the other one would receive a computer instruction), and finally she would need to compare the scores in both samples.

Therefore, the correct answer would be b) The teacher randomly divides the class into two groups. One of the groups receives computer-based instruction and the other group receives traditional instruction without computers. After instruction, each student takes a test and the teacher wants to compare the test scores of the two groups.

<u>*Option A is incorrect</u> because the students are only exposed to the lesson using a computer program and therefore they aren't exposed to different scenarios.

<u>*Option C is incorrect</u> because although in this case the teacher uses both traditional and computer methods, there are not two different samples and she only gets the opinion of the students which is not an exact method of getting information on the effectiveness of the computer based method.

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3 years ago
To fit in an existing frame, the length, x, of a piece of glass must be longer than 12 cm but not longer than 12.2 cm. Which ine
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