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PilotLPTM [1.2K]
2 years ago
9

Here are the test scores for 15 students in Mr. M's class.

Mathematics
1 answer:
mylen [45]2 years ago
3 0

Answer:

60%

Step-by-step explanation:

If you look through the data, it is clear that 46, 59, 63, 68, 72, 76, 78, 85, and 89 are all less than 90. There are <em>9 elements total </em>that are less than 90.

For percentages, you take the number you have and divide by the total. Since we know that there are 15 students, we can do 9 / 15. This gives us 0.6 which is 60%

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Alex wants to arrange chairs in such a way that the number of chairs in a row is equal to the number of columns. He has ordered
PIT_PIT [208]

Answer:

84

59

Step-by-step explanation:

In other to have the same number of chayes in both rows and columns ;

If the Number of chairs per row = x ; then number of chairs per column = x

Then the total number of chairs needed = x * x = x²

Hence, if there are 5100 chairs ;

Number of chairs needed more ;

Take the square root of 5100 ;the round to the next whole number :

B.) For number of chairs to be removed ;

Take the square root of 5100 and round down to the whole number.

Hence,

A.) = √5100 = 71.414 = 72

72² - 5100 = 84

B.) 5100 = 71.414 = 71

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8 0
2 years ago
Consider this equation:
alexandr1967 [171]

Answer:

we are given the function –2x – 4 + 5x = 8  and is asked in the problem to solve for the variable x in the function. In this case, we can first group the like terms and put them in their corresponding sides:

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The variable x has a value of 4.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is y=(-2/3)x+400 as a function?
Gnom [1K]

Answer:

y= −2x/3 + 400

Step-by-step explanation:

Hope this helps :)

8 0
3 years ago
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Find the amount of interest payable if $400 is borrowed at 14% interest and is to be repaid in 6 months
Shtirlitz [24]

Answer:

The amount of interest payable after 6 months is $28.

Step-by-step explanation:

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Rate of Interest  = 14%

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Now, SIMPLE INTEREST = \frac{P \times R \times T}{100}

So, here SI  = SI = \frac{400 \times 14 \times 0.5}{100}   =  28

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Hence, the amount of interest payable after 6 months is $28.

4 0
3 years ago
I will give BRAINLIEST to whoever is correct.
attashe74 [19]
28/11.2 = 2.5

since they are similar and openly stated as parrallelograms, you know that they have a scale of the longest edge of EFGH to the longest edge of JKLM
5 0
3 years ago
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