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babymother [125]
3 years ago
5

4a + 3 - 9 = -7 + 2 + a

Mathematics
2 answers:
rjkz [21]3 years ago
6 0
4a + 3 - 9 = -7 + 2 + a
4a - 6 = -5 + a
4a - a = -5 + 6
3a = 1 / : 3
a = 1/3

Goshia [24]3 years ago
6 0
4a + 3 - 9 = -7 + 2 + a\\
4a-6=-5+a\\
4a-a=-5+6\\
3a=1\ /:3\\
a=\frac13
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Nine and one-half less than four and one-half times a number is greater than 62.5. Which of the following represents the solutio
madreJ [45]

Answer:

{16, +infinity}

Step-by-step explanation:

Represent the number with n

Required

Find the solution set

From the question, we have that;

4½n - 9½ > 62.5

Convert all numbers to decimal

4.5n - 9.5 > 62.5

Add 9.5 to both sides

4.5n - 9.5 + 9.5 > 62.5 + 9.5

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2(4.5n) > 72 * 2

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⅑ * 9n > 144 * ⅑

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This implies that n ranges to infinity from positive 16;

Hence, the correct answer is {16, +infinity}

4 0
3 years ago
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3 years ago
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SOVA2 [1]

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Simple...

you have: 8x-6y=1

You're trying to find m-->>using y=mx+b to re-write the line....

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3 years ago
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