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makkiz [27]
3 years ago
5

Rachael's starting salary is $27,000 a year. She will get a 4% raise annually. How much money will she have made after 7 years?

Mathematics
1 answer:
FrozenT [24]3 years ago
5 0
Below is by year:
1.  $27,000
2. $37,800
3. $52,920
4. $74,068
5. $103,703.20
6. $145,184.48
7.  $203,288. 27
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Find the value of X, I need help solving this.
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Answer:

26

Step-by-step explanation:

add both expressions to equal 90 (bc of the right angle)- x+11+2x+1=90

when you solve, you get x=26

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This revolves around exact trig values - no easy way to say this, you just need to memorise them. They are there for sin cos and tan, but I will give you the main tan ones below - note this is RADIANS (always work in them when you can, everything is better):

tan0: 0
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tanpi/4: 1
tanpi/3: sqrt(3)
tanpi/2: undefined

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Now we just need to work out if it's positive or negative. You can look up a graph of tan and it'll show that the graph intercepts y at (0,0) and has a period of pi rads. Therefore between pi and 3pi/2 rads, the values of tan are positive. Therefore, this gives us our answer of sqrt(3).
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Step-by-step explanation:

4x + 6 < 3x - 5

<=> 4x - 3x < -5 - 6

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