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The temperature was 65 degrees at daybreak. Then it dropped two degrees per hour until dusk. If x is the number of hours since daybreak, this equation represents the temperature during the day: y = -2x + 65 OR y = 65 - 2x. Use the equation to predict the temperature six hours later.
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OpenStudy (anonymous):
You can't do anything. First of all the equations don't make sense. There is nothing to combine.
OpenStudy (anonymous):
wait
OpenStudy (anonymous):
?
OpenStudy (anonymous):
Nvr mind
OpenStudy (anonymous):
a. 53
b. 63
c. 61
d. 59
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OpenStudy (anonymous):
Okay what is the formula for calculating temperature?
OpenStudy (anonymous):
Ok, so let's use y = 65 - 2x
OpenStudy (anonymous):
kk
OpenStudy (anonymous):
Since x is the number of hours, and it asks what the temperature will be in 6 hours, you replace x with 6. So the equation is y = 65 - 2 x 6
OpenStudy (anonymous):
Ok, so what is 2 x 6?
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OpenStudy (anonymous):
How do u know that x = 6?
OpenStudy (anonymous):
12, 65-12 = 53
OpenStudy (anonymous):
i missed that part ;lol
OpenStudy (anonymous):
Yep, that's your answer, @hhmh4 !
OpenStudy (anonymous):
thanxs guys
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