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nekit [7.7K]
1 year ago
9

Solve the equation 3x+4y=16 for x

Mathematics
1 answer:
Nadusha1986 [10]1 year ago
4 0

Answer:

3x+4y=16

3x=-4y+16 (Subtract both sides by 4y)

x=-4/3y+16/3 (Divide both sides by 3 to isolate x variable)

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almond37 [142]
9c + 4 = 49

The numbers by themselves represent the amount of dollars spent (4 and 49), but since you don’t know the amount of money each candy bar cost, you would put the amount of candy bars and a variable next to it to then solve ($5 per bar)
5 0
3 years ago
The length of a rectangle is three more than its width. The perimeter is 86cm. Find the length and width of the rectangle. Write
elena-s [515]
P=2(l+w)
Substitute width plus 3 for length
Remember order of operations: multiply before adding

86=2((w+3) + w)
86=2w+6+2w
86=4w+6
80=4w
20=w
23=w+3=l

Check the answer
86=2((w+3) + w)
86=2((20+3)+20
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3 years ago
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Answer:

it equal:

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6 0
2 years ago
Help me please and show all work.
Brrunno [24]
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3 years ago
Consider independently rolling two fair dice, one red and the other green. Let A be the event that the red die shows 3 dots, B b
max2010maxim [7]

Answer:

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Step-by-step explanation:

Independent Events are the events, whose occurrences are completely unrelated to each other.

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