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Svetradugi [14.3K]
3 years ago
14

Which expression can be used to solve the problem below? On a recent math test,

Mathematics
2 answers:
lora16 [44]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Because she gets 3 per multiple choice question, so 3 times 18

she gets 5 per response question, so 5 times 6

lys-0071 [83]3 years ago
3 0
The expression you would use would be 4.
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You need a mean of at least 90 points to advance to the next round of the touch-screen trivia. What score in the fifth game will
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Answer:

At least 98 is needed in the 5th game

Step-by-step explanation:

The missing parameters are:

Game\ 1 = 95

Game\ 2 = 91

Game\ 3 = 77

Game\ 4 =89

Mean = 90 at least

Required

The score in game 5 to make you advance

Mean is calculated as:

Mean = \frac{\sum x}{n}

So, we have:

Mean = \frac{95 + 91 + 77 + 89 + Game\ 5}{5}

Mean = \frac{352 + Game\ 5}{5}

The mean must be at least 90.

So, we have:

\frac{352 + Game\ 5}{5} \ge 90

Multiply both sides by 5

5 * \frac{352 + Game\ 5}{5} \ge 90 * 5

352 + Game\ 5 \ge 450

Make Game 5 the subject

Game\ 5 \ge450 - 352

Game\ 5 \ge 98

<em>At least 98 is needed in the 5th game</em>

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3 years ago
Please help, it's due in less then 30 minutes :')​
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Answer:

The answer is b. the range of Greta's graph is y<0

Step-by-step explanation:

7 0
3 years ago
Rachel budget $76.50 for school clothes. This is 0.45 of her total budget. How much does Rachel have in her total budget?
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If Rachel's total budget was n, then:
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3 years ago
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