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ELEN [110]
3 years ago
11

Which one is the correct answer?

Mathematics
1 answer:
Monica [59]3 years ago
3 0

Answer:

C

Step-by-step explanation:

So I'm going to subtract (x+7)/(x+3) on both sides:

(x-6)/(x+5)-(x+7)/(x+3)>=0

Now I'm going to find a common denominator which is (x+5)(x+3).

[(x-6)(x+3)-(x+7)(x+5)]/[(x+5)(x+3)]>=0

Now I just have a lot of simplifying to do:

[x^2+3x-6x-18-(x^2+5x+7x+35)]/(x^2+3x+5x+15)>=0

[-3x-18-12x-35]/(x^2+8x+15)>=0

[-15x-53]/[x^2+8x+15]>=0

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Simplify the expression 8(2x - 6y + 3) using the distributive property. *
yawa3891 [41]

Answer:

16x - 48y +24

Step-by-step explanation:

We can use the distributive property to expand:

  1. 8(2x - 6y + 3)
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2 years ago
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Find x. Give reasons to justify your solution. b Lines AB and CD are straight lines.
MArishka [77]

Answer:

x = 28

Step-by-step explanation:

Given that lines AB and CD are straight lines that intersects at O, it follows that the pair of opposite vertical angles formed are congruent.

Thus,

<AOD = <BOC

<AOD = 152°

<BOC = 3x + x + (x + 12) (angle addition postulate)

<BOC = 5x + 12

Since <AOD = <BOC, therefore,

152° = 5x + 12 (substitution)

152 - 12 = 5x (subtraction property of equality)

140 = 5x

140/5 = x (division property of equality)

28 = x

x = 28

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3 years ago
Can someone please tutor me on Alger because that’s my most failing class and I often need help with simple problems every one c
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Enlist your parents help to find you a decent tutor, it is much better to meet face to face.

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8.5% tax on $90 purchase
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