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Zielflug [23.3K]
3 years ago
14

Simplify your answer as much as possible solve the inequality for X

Mathematics
2 answers:
evablogger [386]3 years ago
4 0

Answer:

3x >   - 11 + 8 \\ 3x >  - 3 \\ x >  - 1

satela [25.4K]3 years ago
4 0

Answer:

<em>x > -1</em>

Step-by-step explanation:

1. To get rid of the 8, you have to add 8 to both sides (because -8 + 8 cancels out). After that, we have 3<em>x</em> > -3 (because the 8 is cancelled out and -11 + 8 equals -3).

2. Now, we divide by 3 on both sides to cancel out the 3 that's attached to <em>x</em>. The 3 on the left cancels out and we're left with <em>x </em>and on the right, we get -1 because -3 ÷ 3 is -1.

<em>Hope that made sense. Now that I look at it myself, it looks quite complicated but trust me it isn't ^-^ </em>

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The hours of daylight, y, in Utica in days x from January 1, 2013 can be modeled by the equation y = 2.89sin(0.0145x-1.40) + 10.
Pie

Answer:

9.3 hours

Step-by-step explanation:

Given

y = 2.89\sin(0.0145x-1.40) + 10.99.

Required

Hours of sunlight on Feb 21, 2013

First, calculate the number of days from Jan 1, 2013 to Feb 21, 2013

days = 52

So:

x = 52

So, we have:

y = 2.89\sin(0.0145x-1.40) + 10.99.

y = 2.89\sin(0.0145*52-1.40) + 10.99.

y = 2.89\sin(0.754-1.40) + 10.99.

y = 2.89\sin(-0.646) + 10.99.

y = 2.89*-0.6020 + 10.99.

y = -1.740 + 10.99.

y = 9.25

<em></em>y = 9.3<em> --- approximated</em>

8 0
2 years ago
A water pitcher contains 2/3 gallons of water you add 5/7 gallons of water to the picture how much water to the picture contain
Shtirlitz [24]
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4 0
3 years ago
Read 2 more answers
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In this case, we have

30 - (2.5x+2y-2) = 30-2.5x-2y+2 = 32-2.5x-2y

So, Gabriel's mistake was to leave the negative sign to the "-2" at the end of the expression, instead of flipping it to positive "+2" when subtracting it.

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