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ioda
3 years ago
7

4(d+2)-2(d+4) not sure why I keep getting it wrong

Mathematics
1 answer:
Kazeer [188]3 years ago
5 0

Answer:

https://www.geteasysolution.com/

Step-by-step explanation:

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Solve for y: 7x+8y s 14-16
romanna [79]

Answer:

y≤ -1/4 - 7x/8

Step-by-step explanation:

7 0
3 years ago
a standard deck of 52 playing cards contains 13 cards in each of 4 suits. what is the appropriate probability that exactly three
kvv77 [185]

Answer:

2%

Step-by-step explanation:

After 4 cards are drawn at random, that leaves 48 cards. 1 divided by 48 is .0208.

Hence, 2%

7 0
3 years ago
Please try to help ASAP, thanks so much!!
ehidna [41]
kids surf the internet for 35-60 minutes per day, the average is 52
4 0
3 years ago
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A medicine instructs you to take 1 pill every 3.5 hours, and comes with 4 pills. How long will it last.?
Harlamova29_29 [7]

Answer:

14 hours

Step-by-step explanation:

If you need to take 1 pill every 3.5 hours then this suggest that the effects of 1 pill lasts for 3.5 hours.

Therefore, if you take 4 pills then they will last: 4 x 3.5 = 14 hours

4 0
2 years ago
Read 2 more answers
A student earned grades of 84, 78, 84, and 72 out of 100 on her four regular tests. She scored 78% on the final exam and 86% on
adelina 88 [10]

If the student received marks of 84, 78, 84, and 72 on her four normal tests, her weighted mean grade is 81.2 percent.

<h3>What is mean?</h3>

The mean is described as a single number that indicates either the closed value for each item in the collection of data or the mean value for the whole set of data.

On her four regular tests, a student had grades of 84, 78, 84, and 72 out of 100. She received 86 percent on her class projects and 78 percent on the final test.

You may compute the weighted mean as follows:

\rm W_m= 0.4 \times ( \frac{84+78+84+72}{4} )+0.3 \times 78 +0.1 \times 86 + 0.2 \times 87 \\\\ W_m=  81.2 \%

Hence, if the student had marks of 84, 78, 84, and 72 on her four normal tests, her weighted mean grade would be 81.2 percent.

To learn more about the mean refer;

brainly.com/question/22871228

#SPJ1

5 0
2 years ago
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