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kari74 [83]
4 years ago
13

ASAP QUESTIONS PLEASE ANSWER

Mathematics
1 answer:
suter [353]4 years ago
5 0
[Would be better if you submit these as separate questions]

<span>4x+3y=54
3x+9y=108 
multiply upper by 3 and subtract from lower:

3x - 12x = 108 - 162
9x = 54
x = 6
y = 10

2nd one is 36xy, see other question.

x</span>²+3x-18 factors as (x+6)(x-3)<span>

</span>
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If multiplying by 1/4 makes a positive number smaller then what does dividing by 1/4 do to the value of the number? Explain your
Free_Kalibri [48]

Hello,

If multiplying by 1/4 makes a positive number smaller then dividing  by 1/4 makes the number its being dividing to see how many times 1/4 can be put into that number. For Example,

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3 years ago
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Over [174]

Answer:

39

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3 years ago
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leva [86]

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