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Brilliant_brown [7]
3 years ago
5

A sample of n = 6 scores has a mean of M = 14. After one new score is added to the sample, the new mean is found to be M = 12. W

hat is the value of the new score? (Hint: Compare the values for ∑X before and after the score was added.)
Mathematics
1 answer:
Rasek [7]3 years ago
5 0

Answer:

I'm sorry I don't know the answer

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IVedle Question Help Miranda's financial aid stipulates that her tuition not exceed $1500. If her college charges a $45 registra
forsale [732]

Answer:

Therefore, Miranda can register for at most 3 courses.

Explanation:

If x is the number of courses in which Miranda register, the total cost for her tuition will be:

45 + 450x

Because there is a fixed cost of $45 and a cost per course of $450.

Then, this cost should be less than or equal to $1500, so we can write the following inequality:

45 + 450x ≤ 1500

Now, we can solve the inequality for x. Subtract 45 from both sides:

45 + 450x - 45 ≤ 1500 - 45

450x ≤ 1455

Divide both sides by 450:

450x/450 ≤ 1455/450

x ≤ 3.23

Therefore, Miranda can register for at most 3 courses.

7 0
1 year ago
4 Aldon, the elf, made 245.6 pounds of candy in 5 hours. How much did he make each hour?​
Virty [35]
The answer to your question is 49.12
4 0
3 years ago
Jada earns twice as much money per hour as Diego. Diego earns twice as much money per hour as lin. Select all the graphs that co
Dafna11 [192]

Answer:

  • 1 and 3

Step-by-step explanation:

<u>Let functions be</u>

  • Jada = f(j)
  • Diego = f(d)
  • Lin = f(l)

<u>As per given ratios:</u>

  • f(d) = 2f(l)
  • f(j) = 2f(d) ⇒ f(j) = 4f(l)

The smallest slope belongs to f(l), greater - f(d), the greatest - f(j)

Possible graphs reflecting the functions are graph 1 and graph 3

3 0
3 years ago
Find the product. (–5k + 5)(–5k2 + 2k – 8)
boyakko [2]

Answer:

25 K³ - 35k²+ 50 K - 40

===========================================

Step-by-step explanation:

Given that :

(-5k + 5)(-5k² + 2k - 8)

= -5K (-5k² + 2k - 8) + 5 (-5k² + 2k - 8)

= 25 K³ - 10k² + 40 K - 25 K² + 10 K - 40

= 25 K³ - 35k²+ 50 K - 40

<u>So, the product = 25 K³ - 35k²+ 50 K - 40</u>

5 0
3 years ago
Rosa is 14 years older than her sister amy. Three years ago, she was three times as old as amy. how old is each girl now?
julsineya [31]
Rosa is 24 years old and Amy is 10 years old. hope this helps!
6 0
3 years ago
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