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Lelu [443]
4 years ago
14

Can someone plz help me doing this :D

Mathematics
1 answer:
Mars2501 [29]4 years ago
6 0
Ok so the first thing you would do is input the number where The variables are in the equation so 8^2-5(4)/4
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Can somebody please help me!!!!
pishuonlain [190]

Answer:

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8 0
3 years ago
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Someone please help me, i will gift an amazon gift card of $10 if you get this right!
inna [77]
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3 years ago
A block of copper weighs 2160g and has a volume of 240cm3. what is the density of the copper?
densk [106]
The unit of density [kgm^-3] displays the formula.
So density=mass/volume.

Convert 2160g into kilograms [2160/1000=2.160kg]
Convert volume of 240cm^3 into m^3
100cm=1m
100x100x100=1000000cm^3=1m^3
240/1000000=[2.4x10^-4]

Final calculation
2.160/2.4x10^-4=9000

Answer: 9000kgm^-3
3 0
3 years ago
Solve this system of equations.<br><br><br><br> {3x+4y=36y=−12x+8
SIZIF [17.4K]

Step-by-step explanation:

(1 point)

No, there isn't a more efficient way to solve this system.

Yes, a more efficient way is to multiply the first equation by 4, add to eliminate y, then solve for x.

Yes, a more efficient way is to multiply the first equation by −4, add to eliminate y, then solve for x.

Yes, a more efficient way is to multiply the first equation by −4, add to eliminate x, then solve for y.

3 0
3 years ago
If f(x)=-3x+2, find<br> -<br> f(-1)
Y_Kistochka [10]

Answer:

The answer is 5

Step-by-step explanation:

f(-1) = -3(-1) + 2

f(-1) = 3 + 2

f(-1) = 5

4 0
3 years ago
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