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Leokris [45]
3 years ago
7

How do you write an algebraic expression for 3 times the sum of x and y squared plus 5 times the difference of 2x and y

Mathematics
1 answer:
Vika [28.1K]3 years ago
8 0
3(x+y2)+(5)2x-y
The two by the y is supposed to be squared just to let you know hopefully this helps you
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The sum of two numbers is 20. The difference is 6. What are the two numbers?
12345 [234]

14 and 8. equals 20 and has a difference of 6.

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2 years ago
I do not understand this question I am confused!
kati45 [8]
H is the answer. This is because if you fold 3 in half it won't be equal.
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3 years ago
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Can u help me on this plzz
avanturin [10]
Median: 29
Range: 25
IQR: 14.5

Explanations:

**Median:**
(To find the median, we need to first order all the elements)

Ordered —> 15, 18, 18, 20, 23, 28, 30, 33, 33, 34, 38, 40

(Since there are an even number of elements, we need to add the two elements in the middle and divide by 2)

Median = (28 + 30)/2 = 58/2 = 29

**Range:**

(To find the range, you just have the subtract the smallest one from the largest)

Range = 40 - 15 = 25

**IQR:**

First half of elements —> 15, 18, 18, 20, 23, 28
Second half of elements —> 30, 33, 33, 34, 38, 40

Q1 (Quartile 1) = Median of first half = (18 + 20)/2 = 38/2 = 19
Q3 (Quartile 3) = Median of second half = (33 + 34)/2 = 67/2 = 33.5

IQR = Q3 - Q1 = 33.5 - 19 = 14.5
5 0
3 years ago
5.4 puzzle time what has four legs but can't walk answer key
pentagon [3]

Answer:

A table

Step-by-step explanation:

A table has four legs ( supports) but cannot possibly walk because it is not a living thing. For example, see the table in the attachment, it has four legs (supports) but cannot possibly walk.

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It's C. I'm sure of it.
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