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marshall27 [118]
3 years ago
9

How to combine like terms

Mathematics
1 answer:
aev [14]3 years ago
8 0

Example: 1x+2y+3z+4a+5x+6y+7z+8+9

We can see that there is more than one number with the variable x, therefore, we say they're ''like terms'' and because of that they can be summed. We do this with all of the other numbers with similar variables. If no numbers with similar variables are left, like 4a, you don't do anything but write them as they are. You can also see that 8 and 9 can also be summed because neither of them has a variable, therefore they're similar.

In this step, you just do the operation with the numbers and keep the same variable.

(1x+5x)+(2y+6y)+(3z+7z)+4a+(8+9)

(6x)+(8y)+(10z)+4a+(17)

since there are not more numbers similar in variables, this operation is done.

6x+8y+10z+4a+17

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Help please !!!! !!!!!!!!! plz
Brilliant_brown [7]
The answer is D.
8:200 is equivalent 1:25
(I divided 8 and 200 by 8 to get that.)
1:25 multiplied by 18 is 18:450


7 0
3 years ago
In a physics laboratory experiment, a coil with 200 turns en-closing an area of 12 cm2 is rotated in 0.040 s from a position whe
Alla [95]

Answer: (a) Magnetic flux before rotation is 7.2 × 10^-8 Wb and magnetic flux after rotation is 0

(b) The average emf induced in the coil is 3.6×10^-4 V

Step-by-step explanation:

Here is the complete question:

In a physics laboratory experiment, a coil with 200 turns en-closing an area of 12 cm2 is rotated in 0.040 s from a position where its plane is perpendicular to the earth’s magnetic field to a position where its plane is parallel to the field. The earth’s magnetic field at the lab location is 6.0×10^−5T. (a) What is the total magnetic flux through the coil before it is rotated? After it is rotated? (b) What is the average emf induced in the coil?

Step-by-step explanation: Please see the attachments below

7 0
3 years ago
im stuck on this . and somebody give me a clear right answer because people r giving me wrong answers
statuscvo [17]

Answer:

-1

Step-by-step explanation:

S = <u>y</u> = <u>8</u> = -1

x 8

_______________________________________

8 0
4 years ago
Read 2 more answers
Pls look at the picture and answer
melisa1 [442]

Answer:

-0.5 goes between -2 and 1

0.5 goes between -2 and 1

-4.5 goes below -2

-2.5 goes below -2

1.5 goes above 1

4 goes above 1

5 0
3 years ago
Read 2 more answers
Solve <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B-4%7D" id="TexFormula1" title="\frac{x}{-4}" alt="\frac{x}{-4}" align="
Taya2010 [7]

Answer:

C

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
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