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SVEN [57.7K]
3 years ago
10

SOMEONE PLEASE HELP ME WITH MY HOMEWORK ILL DO ANYTHING FOR HELP JUST HELP ME PLEASE

Mathematics
1 answer:
Sonbull [250]3 years ago
6 0

Answer:

there is a 1 to 15 relationship  between miles and gallons

Step-by-step explanation:

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If f(x) = (3+x)/ (x-3),what is f(a+ 2)?
balandron [24]
To answer items such as this, we directly substitute the a + 2 to the all the x's in the function such that,
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Simplifying the function generated above,
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at 4:00 am the temperature was -9 degrees f. at noon the temperature was 18 degrees f. what was the change in temperature
Nutka1998 [239]
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3 years ago
Solve 3e = -27 show work<br>this one i dont understand how to do​
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<h2>-9</h2>

Step-by-step explanation:

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6 0
2 years ago
2cos^2x = 1 <br><br> Solve for 0-360 degrees
Tems11 [23]

Answer:

45,135,315,225

Step-by-step explanation:

2cos^2x = 1

Divide each side by 2

cos^2x = 1/2

Take the square root of each side

sqrt( cos^2 x) = ±sqrt (1/2)

cos x  =±sqrt (1/2)

Make into two separate equations

cos x  =sqrt (1/2)    cos x = - sqrt(1/2)

Take the inverse cos of each side

cos ^-1 cos (x) = cos ^-1 (sqrt (1/2))   cos ^-1 cos (x) = cos ^-1 (-sqrt (1/2))

x = cos ^-1 (sqrt (1/2))   x = cos ^-1 (-sqrt (1/2))

x = 45  +360 n              x = 135+ 360n

x = 315+360 n               x =225+360n

Between 0 and 360

45,135,315,225

5 0
2 years ago
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