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Olenka [21]
3 years ago
12

A jar of the chemical contains

Mathematics
1 answer:
Leya [2.2K]3 years ago
6 0

Answer: The answer is 144 grams of zinc

Step-by-step explanation:

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Please help me!<br> Find WX.
Fynjy0 [20]
So WX is 7y +4 and XY is 21, and when you add those lines you get the whole thing, which is 12y so write that like an equation
12y = 7y+4+21
12y = 7y+25
5y = 25
y = 5
3 0
3 years ago
If I had 3000 pennies and my mom took away 1000 pennies how many are left
pishuonlain [190]

Subtract 3000-1000

took away means subtracting

left means how many are remaining

3000-1000= 2000

Answer:

2000 pennies

7 0
3 years ago
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If 2x+y=8 and x-1=y then what is y? Please be detailed I want to know more then just the answer but how to solve
IgorLugansk [536]
This is Bridge Algebra 2 stuff. Well you see that 2x+y=8 and x-1=y. To slove for y you have to slove for x first to find y. So 2x+x-1=8 ( the reason I did that is because there is a y in that equation and I placed it on that equation) now lets slove this equation for x. So 3x-1=8( I add 2x with x) 3x=9 ( I made -1 a positive one and add it to 8) x=3 ( I divided 9/3 to get 3). Now that you have slove x we will use x to slove for y. So 3-1=y, 2=y. Your answer is y=2.
4 0
3 years ago
Please help and work please
masha68 [24]
84/60=1.4
210/1.4=150
The answer is 150 cm
3 0
3 years ago
the linear equation y=2x represents the cost y of x pounds of pears. which order pair lies on the graph of the equation? A. (2,4
Vladimir [108]

Answer:

  A.  (2, 4)

Step-by-step explanation:

The ordered pairs represent (x, y). Since you have y =2x, this is the same as ...

  (x, 2x)

That is, the second number in the pair needs to be twice the first number in the pair. Since you know your times tables, you know that this is not the case for (1, 0), (10, 5) or (4, 12). Those values of x would give (1, 2), (10, 20), (4, 8).

It is the case that you have (x, 2x) for (2, 4).

The point (2, 4) lies on the graph of y = 2x.

4 0
3 years ago
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