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3 years ago

HELP!! I am so desperate like I don't even care if the answer is wrong I just need something that makes sense.

Mathematics

2 answers:

Annette [7]3 years ago

8 0

Answer:

3 inches

Step-by-step explanation:

4(3/4) <- Beacuse there are 4 weeks and every four weeks it grows that amount.

So that being said, in a month the plant would grow:

12/4=3

So 3 inches every month

Hope it helps!

Wait...are you an army????

omeli [17]3 years ago

3 0

Answer: The plant grows $\dfrac{3}{1}$ of an inch every month.

Step-by-step explanation:

Given : A plant grows $\dfrac{3}{4}$ of an inch every week.

To find : The length of plant grows in a month.

We assume that 1 month = 4 weeks.

Then, the length of plant grows in 4 weeks :-

$\dfrac{3}{4}\times4=\dfrac{3}{1}\text{ of an inches}$

Hence, the plant grows $\dfrac{3}{1}$ of an inch every month.

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In a psychology class, 32 students have a mean score of 93.2 on a test. Then 16 more students take the test and their mean score

liraira [26]

Answer: 83.3

Step-by-step explanation:

Formula :

$\text{Mean}=\dfrac{\text{Sum of all observations}}{\text{Number of observations}}$ (1)

$\Rightarrow\ \text{Sum of all observations}=\text{Mean x (Number of observations)}$ (2)

Given : In a psychology class, 32 students have a mean score of 93.2 on a test.

By Using (2) , Sum of scores of 32 students = 93.2 x 32 =2982.4 (3)

Then 16 have a mean score of 63.4.

Again, By Using (2) , Sum of scores of 16 students = 63.4 x 16 =1014.4 (4)

Total students = 32+16 = 48

Add (3) and (4) , we get combined score of 48 students = 2982.4+ 1014.4

=3996.8

Now , by using (2) , the mean score of all of these students together

$=\dfrac{3996.8}{48}=83.2666666667\approx83.3$

Hence, the mean score of all of these students together is 83.3.

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Segment AB has endpoints with coordinates A: (-4, -7) and B: (8, -4). Determine the value of the x-coordinate of the interior po

Nadusha1986 [10]

Answer:

≈ 3.4 

Step-by-step explanation:

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