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irina [24]
3 years ago
6

-k+3k combine like terms to create an equivalent expression​

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0

Answer:

2k

Step-by-step explanation:

3k and -k are both like terms, so you can combine them. Adding opposite signs works in the same way as subtraction, so you can rewrite the expression as 3k-k, which is 2k.

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–<br> 1<br> 3<br> 4<br> +<br> 3<br> 4<br> ×<br> –<br> 4÷2
AveGali [126]

Answer:

-202

Step-by-step explanation:

3 0
2 years ago
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Totally cellular charges $30 for a monthly plan, with an additional .20 per text message. Gnarly Cells charges $40 for a monthly
Taya2010 [7]

Answer:

100 texts

Step-by-step explanation:

Let the amount of text messages be x. Since we are looking at making both plans equal, we add the fixed monthly charges to the number of messages multiplied by the cost.

The total amount charged by Totally will be 30 + 0.2x

The total amount charged by Gnarly will be

40 + 0.1x

Now since we are trying to get the number of text messages that make both charges equal, we equate the two charges and that is:

30 + 0.2x = 40 + 0.1x

40 - 30 = 0.2x - 0.1x

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x = 10/0.1 = 100 texts

5 0
2 years ago
The fastest a human has ever run is 27 miles per hour how many miles per minute did the human run
garri49 [273]
Ok so all we need to do is divide 27mph by 60 to convert the mph to miles per minute. 

27/60= .45 miles per minute
3 0
3 years ago
Plz need help for a grade god explanation and answer get brainliest
Ivanshal [37]

Answer:

20%

Step-by-step explanation:

There is a 20% chance you get selected for researching China because 5 out of 25 spaces are ones for researching China.

\frac{5}{25} =\frac{20}{100}

3 0
3 years ago
The sum of angles 1 and 2 is degrees. If the measure of angle 1 is 125 degrees, what is the measure of angle 2?
Vlad [161]

Answer:

angle 2 is 55

Step-by-step explanation:

supposing angle 1 and 2 are supplementary angle

since angle 1 is 125

180-125=55

therefore angle 2 is 55

8 0
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