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seraphim [82]
3 years ago
12

If y varies inversely as x and y=3 when x=4, then y=12 when x=15 True or false ?

Mathematics
1 answer:
Elden [556K]3 years ago
8 0

y=12 is false answer.

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Suppose you have $12,000 to invest. If part is invested at 10% and the rest at 15%, how much should be invested at each rate to
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3 years ago
3/2 x - 5/4 y =15 rate of change​
Alenkinab [10]

Answer:

6/5

Step-by-step explanation:

m is your rate of change you need to get y by itself.

3/2x - 15 = 5/4y

3x/2 - 30/2 = 5/4y

3x-30/2 = 5/4y

3x - 30 = 2 x 5/4y

3x - 30 = 2 x 5/4x2y (cross out 2 and 4)

3x - 30 = 5/2y

2 x 3x - 2 x 30 = 2 x 5/4y

6x - 60 = 5y

6x/5 - 60/5 = 5y/5

y = 6/5 x x - 12

3 0
3 years ago
Which expression is equivalent to 2(a+3) when a equals 3<br><br>2(3)<br>5(3)<br>2(3)+3<br>2(3)+6​
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2(3+3) or 2(3)+6, so the answer is the third option. It’s just using the distributive property.
8 0
3 years ago
Read 2 more answers
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