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denpristay [2]
3 years ago
7

What is 2x + 2x + 2y + 2y?

Mathematics
2 answers:
marin [14]3 years ago
7 0

Answer:

4x+4y

Step-by-step explanation:

Only like terms can be added together so the numbers with the variable x are added together and numbers with the variable y are added together.

The expression can no longer be simplified since it has no other ways to.

topjm [15]3 years ago
7 0

Answer:

4x+4y

you have to add up the numbers with common variables if the varables are not the same you cant add them up

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3 years ago
Find the volume of the prism
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8 0
3 years ago
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Step-by-step explanation:

3 0
2 years ago
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What is the sum of the first 30 terms of this arithmetic sequence? 6,13,20,27,34
Galina-37 [17]

Answer:

3135

Step-by-step explanation:

Givens

a1 = 6

Use t4 - t3 to get d

t4 = 27

t3 = 20

Step One

Find a1 and d

a1 = 6

d = t4 - t3

d = 27 - 20

d = 7

Step Two

Find the 30th Term

tn= a1 + (n -1 )*d

t30 = 6 + (30 - 1) * 7

t30 = 6 + 29*7

t30 = 6 + 203

t30 = 209

Step Three

Find the sum using Sum = (a + t30)*n/2

n = 30              given

a1 = 6               given  

t30 = 209         calculated from step 2

Sum = (a1 + t30)*n/2        Substitute

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sum = 215 * 15                  Multiply

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4 0
3 years ago
When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (k
Sonbull [250]

Answer:the usual dosage would be

54.55 milligrams.

Step-by-step explanation:

When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees Fahrenheit. This means that the usual dose for a 18 month old child would be 5 milligrams (mg) per kilogram (kg) of body weight. Since the weight of the child is 24 pounds, we would covert 24 pounds to kilogram.

2.2 pounds = 1 kg

24 pounds = 24/2.2 = 10.91 kg

Therefore, the dosage would be

5 × 10.91 = 54.55 milligrams

4 0
3 years ago
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