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IgorLugansk [536]
3 years ago
12

jamal's scores on the first three of four 100-point English papers were 86, 92, and 89. what score does he need on his fourth pa

per to ensure an average score of at least 90?
Mathematics
1 answer:
Scilla [17]3 years ago
6 0
He needs to get a score of at least 93.
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Joyce had business cards made through a printing company. They charge an initial fee of $12 and $3.99 for each box of 100 busine
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Answer:

$31.95

Step-by-step explanation:

The total cost is the initial fee plus the cost of the boxes.

12 + 5×3.99 = 31.95

4 0
3 years ago
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Answer:

abswer is b no

Step-by-step explanation:

hope it help

3 0
2 years ago
1.Is the expression x3•x3•x3 equivalent to x3•3•3? Why or why not? Explain your reasoning.
Aleonysh [2.5K]
No because x3•x3•x3= 27x³ and x3•3•3=27x
7 0
3 years ago
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Which confidence level would produce the widest interval when estimating the mean of a population based on the mean and standard
Dvinal [7]
<h3>Answer:  A) 99%</h3>

Explanation:

The larger the confidence level, the wider the confidence interval gets. Choice A provides the largest such confidence level.

It's like trying to catch an elusive fish. The wider the net, the more confident that you are likely to catch the fish. The size of the net can be a sort of measure of the confidence level.

4 0
2 years ago
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A set of four cards consists of two red cards and two black cards. The cards are shuffled thoroughly, and I am dealt two cards.
Delvig [45]
25% because if you have 4 cards which would equal 100% and you are dealt 2 you have a 25% chance of getting any of the 4. (25x4=100)
But, if you are talking about probability of color it would be 50% because if you have 2 red cards and the total deck is 4 cards, then that is already half of the deck. And if you have 2 black cards then that makes up the other half. but if you are talking individually like Red 1 and Red 2 and Black 1 and Black 2 separating them would create a 25% probability. So, x= 25% (infivudually) or 50% (by color)
4 0
3 years ago
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