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Black_prince [1.1K]
3 years ago
13

What is the variable in 5 + 12w

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

the variable in this question would be........................ W

you are welcom

yawa3891 [41]3 years ago
3 0
The variable in 5+12w is w
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mrs_skeptik [129]
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3 years ago
How much of an alloy that is 10% copper should be mixed with 600 ounce of an alloy that is 70%copper in order to get an alloy th
svetoff [14.1K]

Answer:

1200 ounces

Step-by-step explanation:

How much of an alloy that is 10% copper should be mixed with 600 ounce of an alloy that is 70%copper in order to get an alloy that is 30%copper?

Let us represent

Number of ounce of 10% copper = x

Hence, our Equation =

x × 10% + 600 × 70% = (x + 600) × 30%

0.1x + 420 = (x + 600)0.3

0.1x + 420 = 0.3x + 180

Collect like terms

0.3x - 0.1x = 420 - 180

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7 0
2 years ago
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GuDViN [60]
See attached picture

8 0
2 years ago
Which expression is equivalent to 6(x – 4)?<br> 0 -6x + 4<br> o 6x - 4<br> 0 6x - 24<br> 0 -6x + 24
Anika [276]

Answer:

6x-24

Step-by-step explanation:

The 6 multiplies each part in the parenthesis. So 6 * x = 6x and 6 * -4 = -24

5 0
3 years ago
Help with math (please answer if correct only)
S_A_V [24]
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