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3 years ago

How can I get the median when the amount of number are 8???

Mathematics

2 answers:

alina1380 [7]3 years ago

8 0

You can take the average of the two middle numbers

Dafna11 [192]3 years ago

7 0

Then, the median is found by taking the mean (or average) of the two middle most numbers.

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John can send up to 250messages each month. So far he has sent 141 messages this month let t represent the number of messages he

docker41 [41]

$141+t \leq 250$

The phrase "up to" means less than or equal to since John cannot send more than 250 messages.

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3 years ago

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Help, with solving rational equations! I am no good at it :( Solve for x: 2 over 5 plus 3 over 5 x equals quantity x plus 5 over

mamaluj [8]

If this is your equation: $\frac{2}{5} + \frac{3}{5x} = \frac{x+5}{10}$
Solution:
LCD for 5 and 5x is 5x
$\frac{x}{x} ( \frac{2}{5} )+ \frac{3}{5x} = \frac{x+5}{10}$
$\frac{2x}{5x} + \frac{3}{5x} = \frac{x+5}{10}$
$\frac{2x+3}{5x} = \frac{x+5}{10}$
$10(2x+3)=5x(x+5)$ ←cross product
20x + 30 = 5x² + 25x ←simplify with distributive property
0 = 5x² + 5x - 30 ←use inverse operations to collect all terms on one side
0 = x² + x - 6 ←if possible divide by numerical GCF (This case 5)
0 = (x + 3)(x - 2) ←Factor
x = -3 or x = 2
Please check by substitution in original equation... Both work

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3 years ago

Jonathan is designing a rectangular path for his garden using paving stones. The paving stones are square and 50cm wide. If the

koban [17]

Answer: 32 paving stones

Step-by-step explanation:

Hi, to answer this question, first we have to convert the measures of the paving stones into meters.

Since: 1m = 100 cm

50 cm /100 = 0.5m

Now, we have to calculate the area of each paving stone:

Area of a square: s^2 = 0.5^2 = 0.25m2

Next, the area of the path.

Area of a rectangle = width x length = 1 x 8 = 8 m2

Finally, we have to divide the area of the path by the area of each paving stone:

8/0.25 = 32 paving stones

Feel free to ask for more if needed or if you did not understand something.

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3 years ago

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valkas [14]

Answer:

Step-by-step explanation:

just did it on a.pex

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2 years ago

PLEASE HELP ME!!!!I NEED HELP

ycow [4]

just plug the numbers on the graph like (2,50)

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2 years ago