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Masteriza [31]
3 years ago
12

What is the supplementary angle of 91.1 drgrees​

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0

Answer:

i think 88.9 is the supplementary angle for 91.1 degrees

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if f is a differentiable function and f(0)=-1 and f(4)-3 then which of the following must be true there exists a c in [0,4] wher
iragen [17]

Answer:

True, see proof below.

Step-by-step explanation:

Remember two theorems about continuity:

  1. If f is differentiable at the point p, then f is continuous at p. This also applies to intervals instead of points.
  2. (Bolzano) If f is continuous in an interval [a,b] and there exists x,y∈[a,b] such that f(x)<0<f(y), then there exists some c∈[a,b] such that f(c)=0.

If f is differentiable in [0,4], then f is continuous in [0,4] (by 1). Now, f(0)=-1<0 and f(4)=3>0. Thus, we have the inequality f(0)<0<f(4). By Bolzano's theorem, there exists some c∈[0,4] such that f(c)=0.

7 0
3 years ago
BRAINLIEST ASAP! PLEASE HELP ME :)
marta [7]
<h3>Answer: C) none of the equations are identities</h3>

If you plugged theta = 0 into the first equation, then you would have

sin(45) + cos(45) = sin(0) + cos(0)

sqrt(2) = 1

which is a false equation. We don't have an identity here.

The same story happens with the second equation. Plug in theta = 0 and it becomes

cos(60) - sin(60) = cos^2(0) + tan(0)

1/2 - sqrt(3)/2 = 1 + 0

-0.37 = 1

which is false.

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3 years ago
Given the equation 25x^2y^2-40xy+16=0, find the value of xy.
Volgvan

Answer:

Not rlly sure, might be x=4/5y??? i dont know

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2 years ago
Alex repairs clocks at a shop.· He earns $96 per day plus $16 per hour for every hour of overtime he works.· Each day, he wants
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T=16x+96 so if he wants to receive 130$ a day he must work at least 3 hours of over time.
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2 years ago
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5 rows x 4 in each = 20 chairs in the classroom
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3 years ago
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