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ale4655 [162]
2 years ago
10

The table shown lists the atomic weight of the elements that begin with the letter c. What's the range of these

Mathematics
1 answer:
kicyunya [14]2 years ago
3 0
Maalum hai Lekin tumko nahi bataenge
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I need help with this math problem!!
Vesnalui [34]
In order to find which one is or isn't, you need to solve for the value of 'x'. 
2x + 15 = 35 
2x = 20
x = 10 

Substitute x =10, into equation. If each side are not the same (i.e. 0=2), then that's the equation that is not equivalent,

Answer is B
Double check this. Chur! :)

Hope this makes sense.


4 0
3 years ago
I need help with my math homework
Rashid [163]
Hello. This is how to do it...

Step 1: Figure out what "N" means.

Step 2: Multiply whatever "N" means by -4

Step 3: Subtract  -4 times "n"

Hope this will help! Im sorry if i was a pain tho...
5 0
3 years ago
My homework says determine the value of y that makes each equation true for all values of x what do they mean
lakkis [162]
Basically, it's saying make y=x by simplifying.

If you found this especially helpful, I'd appreciate if you'd vote me Brainliest for your answer. I want to be able to assist more users one-on-one!
7 0
3 years ago
What is the perimeter of this rectangle?
kotegsom [21]

~Hello There!~

Finding the perimeter simply means adding all the sides together.

31 + 81 + 31 + 81 = 224 cm

Yes, you are correct.

Hope This Helps You!                                                              

Good Luck :)                                                                              

Have A Great Day ^_^

- Hannah ❤

8 0
3 years ago
Read 2 more answers
The length of a rectangle is 11 in. longer than its width. The perimeter of the rectangle is 86 in.
aliina [53]

Let the width = x then length = x + 11 inches


Perimeter of a rectangle = 2*width + 2*length so we have the equation:-

( letting P = perimeter , L = length and W = width)

P = 2L + 2W

86 = 2(x + 11)) + 2x

86 = 4x + 22

4x = 86-22 = 64


x = 64 / 4 = 16 inches


Therefore the length of the rectangle = 16 + x


= 16 + 11 = 27 inches Answer

4 0
3 years ago
Read 2 more answers
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