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Juli2301 [7.4K]
3 years ago
15

Which algebraic expression represents “the class was divided into 6 equal groups”?

Mathematics
1 answer:
pishuonlain [190]3 years ago
3 0

The algebraic expression n/6 represents that the class was divided into 6 equal groups.

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A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 5 large boxes and 3 small boxes has a t
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Answer:

The weight of large and small box are 18.25 kg and 13.25 kg respectively.

Step-by-step explanation:

Let the weight of large and small box are x and y respectively.

It is given that a delivery of 5 large boxes and 3 small boxes has a total weight of 131 kilograms.

5x+3y=131                .... (1)

A delivery of 2 large boxes and 6 small boxes has a total weight of 116 kilograms.

2x+6y=116                .... (2)

On solving (1) and (2) using graphing calculator, we get

x=18.25

y=13.25

Therefore the weight of large and small box are 18.25 kg and 13.25 kg respectively.

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3 years ago
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A graduate student wanted to estimate the average time spent studying among graduate students at her school. She randomly sample
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Answer:

B. The width of the confidence interval would be smaller.

Step-by-step explanation:

By reducing the confidence level from 99% to 95%, the student assumes that there is more uncertainty about the new confidence interval than the previous one. That, being said, since the results aren't as certain, the confidence interval is widened towards a central average point because the new interval isn't as accurate.

Therefore, the answer is B. The width of the confidence interval would be smaller.

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3 years ago
What are the steps to solve the following quadratic equation: 9x +1= 5
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4/5

Step-by-step explanation:

9x+1=5

or, 9x=5-1

or, 9x=4

therefore x=4/5

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Help i will give brainlist.
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Answer:

3m^4  

Step-by-step explanation:

the third one

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The parabola y=x^2 is reflected across the x axis and then scaled vertically by a factor of 1/8.
tekilochka [14]

ANSWER

The new equation is:

y =  -  \frac{1}{8}  {x}^{2}

EXPLANATION

The given parabola has equation,

y =  {x}^{2}

This is the parent function.

When we reflect this parabola in the x-axis and then scaled vertically by a factor of 1/8.

The new equation becomes:

y =  -  \frac{1}{8}  {x}^{2}

3 0
3 years ago
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