3 years ago

Please help! On Saturday Lucas drove

Mathematics

1 answer:

Debora [2.8K]3 years ago

4 0

Answer:

x+5

Step-by-step explanation:

(4x-5) -(3x - 10) = x + 5

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Tems11 [23]

Answer:

Step-by-step explanation:

1: no

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Score Frequency

RUDIKE [14]

Scores on an AP Exam at a local high school are recorded in the table. What was the average score?

Answer: D) 4.266 is correct

Explanation:

We are given the below frequency table:

Score Frequency

1 | 0

2 | 3

3 | 4

4 | 16

5 | 22

Let's denote the score by $x$ and frequency by $f$ .

The average formula is:

$Average=\frac{\sum fx}{\sum f}$

$=\frac{(1\times0) + (2\times3)+(3\times4) +(4\times16) + (5\times22)}{0+3+4+16+22}$

$=\frac{0+6+12+64+110}{45}$

$=\frac{192}{45}=4.267$

Therefore, the average score was 4.267

Hence the option D) 4.266

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3 years ago

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kicyunya [14]

Answer:

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2=18°

3=123°

4=39°

Step-by-step explanation:

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