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Dafna1 [17]
3 years ago
12

Can I get some help with this one please

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
6 0
Use 0 as the y value then solve for x. answer: 3
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The elevation​ E, in​ meters, above sea level at which the boiling point of a certain liquid is t degrees Celsius is given by th
const2013 [10]
For T = 89.5 degrees C:
E(t) = 1100(90 - 89.5) + 520(90 - 89.5)^2= 1100(0.5) + 520(0.5)^2= 550 + 130= 680 m
For T = 90 degrees C:
E(t) = 1100(90 - 90) + 520(90 - 90)^2= 0 + 0= 0 m (meaning that boiling point is 90 degrees C at ground level)

3 0
3 years ago
Answer this question, thx for the help <br> (the 4th one is this shape O )
RideAnS [48]

Answer:

1st one

Step-by-step explanation:

5 0
2 years ago
For the function y=-3+ cos (x + 4)], what is the minimum value?
Mrac [35]

Answer:

-4 is the mimumum of y=-3+cos(x+4)

Step-by-step explanation:

The minimum value of y=cos(x) is -1.

The minimum value of y=cos(x+4) is still -1; the +4 inside the cosine function only affected the horizontal shift.

The minimum value of y=-3+cos(x+4) is -3-1 which is -4.  This brought the graph down 3 units so if the minimum was previously -1 and it got brought down 3 units then it's new minimum is -4.

5 0
2 years ago
Which equation is equivalent to (1/3)x=27x+2?
erma4kov [3.2K]
I hope this helps you


x=3. (27x+2)

x=81x+6

80x=-6

x=-3/40
7 0
2 years ago
Read 2 more answers
The probability of a type ii error is represented by the greek symbol, β.
Sidana [21]

The answer to your question is a. TRUE

3 0
3 years ago
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