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Nataly_w [17]
3 years ago
13

In a statistics class, 10 scores were randomly selected with the following results (mean = 71.5): 74, 73, 77, 77, 71, 68, 65, 77

, 67, 66. What is the range?
Mathematics
1 answer:
algol133 years ago
3 0

Answer:

Range: 12

Step-by-step explanation:

65, 66, 67, 68, 71, 73, 74, 77, 77, 77

Formula:

Range: highest value - lowest value = final answer

Range: 77 - 65 = 12

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An auto dealership sells minivans and sedans. In January, they sold 10
igor_vitrenko [27]

Answer: They are both equal

Step-by-step explanation: 10 x 14 = 20 x 7

5 0
3 years ago
9. What's the least common multiple (LCM) of 2, 6, and 8?
algol [13]

Answer:

24

Step-by-step explanation:

The LCM or least common multiple of these numbers is 24

To get 24, you list all the multiple of these numbers until they all share at least one

So

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, <u>24</u>

6, 12, 18, <u>24</u>

8, 16, <u>24</u>

They all share 24 so this is the LCM

Hope this helps

-GoldenWolfX

3 0
3 years ago
Are these ratios proportional (which means equal)?
Anni [7]

Answer:

yes

9/17 *4 is 36/68.

so for proportional you need to simplify the other term and if they both result in same then they both are proportional

Step-by-step explanation:

7 0
3 years ago
Work out ( 2 × 10 5 ) × ( 3 × 10 4 ) Give your answer in standard form.
AnnyKZ [126]

Answer:

6 × 10^9

Step-by-step explanation:

( 2 × 10^5 ) × ( 3 × 10^4 )

Rearrange.

2 × 3 × 10^5 × 10^4

Multiply and apply the law of exponents.

6 × 10^(5+4)

6 × 10^9

4 0
4 years ago
Read 2 more answers
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