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g100num [7]
3 years ago
9

The purity of gold is listed in karats. If a necklace is 75% what karat is it

Mathematics
1 answer:
MrMuchimi3 years ago
5 0
3/4 is gold the rest is not r
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ALGEBRA<br> EQUATION<br> PLEASE HELP ASAP<br><br> -3=12y-5(2y-7)
Dovator [93]

Simplify:

−3=12y−5(2y−7)

−3=12y+(−5)(2y)+(−5)(−7)(Distribute)

−3=12y+−10y+35

−3=(12y+−10y)+(35)(Combine Like Terms)

−3=2y+35

Flip the equation.

2y+35=−3

Subtract 35 from both sides.

2y+35−35=−3−35

2y=−38

Divide both sides by 2.

2y/2=−38/2

y=−19


3 0
3 years ago
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-4004 + 2023 – 24x2 – 2 / – 2x2 + 2x + 1?
Kamila [148]

Answer:

388.5/x

Step-by-step explanation:

multiply:

(-4004+2023-48-2)/ -4 + 2x +1

Simplify:

-2031/ -3 +2x

divide by -3

677/2x

388.5 / x

as simple as you can go

hope this helps!

5 0
3 years ago
Which is the slope-intercept form of the equation y - 12 =-1/3(x- 6)?
lara31 [8.8K]

Answer:y=-1/3x+14

Step-by-step explanation:

5 0
3 years ago
A cube has a volume of 1331 cm3. What is the area of one of its faces.
Vinvika [58]
Area = 726 cm squared
3 0
3 years ago
Solve for x. help please
Vinvika [58]

Answer:

x=6

Step-by-step explanation:

\frac{9}{3} =\frac{6}{2}      

7 0
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