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Post New Question
All Questions
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230469 Questions
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558
2
Help!
On a particular day in Salt Lake, UT, the temperature was given by $-t^2 +12t+50$ where $t$ is the time in hours past noon. What is the largest $t$ value at which the temperature was exactly 77 degrees?
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Guest
Jun 9, 2019
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682
1
+379
Help please!
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sinclairdragon428
Jun 9, 2019
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1554
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+52
What is the population density of antelopes?
A biologist is researching the population density of antelopes near a watering hole. The biologist counts 32 antelopes within a radius of 3/4 km of the watering hole.
What is the population density of antelopes?
read more ..
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jiminblossoms
Jun 9, 2019
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495
2
Translations of graphs
Two graphs are drawn that belong with the family of functions with the function notation f(x) = a + √x-1
a. Which value of a belongs to/gives you graph 1
read more ..
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Guest
Jun 9, 2019
-1
567
1
+379
Help please!
deleted.
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sinclairdragon428
Jun 9, 2019
-1
584
2
+379
Help please!
deleted.
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sinclairdragon428
Jun 9, 2019
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652
1
In triangle ABC, angle B = 90 degrees, and AC = 13 cm.
In triangle ABC, angle B = 90 degrees, and AC = 13 cm.
Determine:
a) AB if angle C - 26 degrees.
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Guest
Jun 9, 2019
0
757
2
A swamp separates points L and R.
A swamp separates points L and R. To determine the distance between them, Ciana stands at L and looks toward R. She turns about 45° and walks 52 paces from L to point P. From P, she looks at R and estimates that LPR is about 60°. How many paces is it from
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Guest
Jun 9, 2019
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469
1
for each of the functions, state the period, amplitude and equation of the axis. then state the domain and range.
A) f(x) = -2sinx+6
B) f(x) = -7sin (x+10 degrees)
c) f(x) = -0.5 sin (x-30 degrees) + 1
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Guest
Jun 9, 2019
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362
0
sketch each sinusoidal function.
show the calculations for 5 of the transformed coordinates.
A) f(x) = sin x + 5
B) f(x) = sin (x - 120 degrees)
C) f(x) = sin (x-30 degrees) + 4
Guest
Jun 9, 2019
0
455
1
sine curves
state the transformation for each sinusoidal function and then sketch its graph. show the calculations for five of the transformed coordinates.
A) f(x) = sin(x+40 degrees) - 7
B) f(x) = sin (x+30 degrees) - 8
C) f(x) =
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Guest
Jun 9, 2019
-1
1433
1
+379
Help please
deleted.
hectictar
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sinclairdragon428
Jun 9, 2019
0
672
1
A tree casts a shadow 9.3m long when the angle of the sun is 43 degrees. How tall is the tree?
do we use the Pythagorean theorem or the tan law?
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Guest
Jun 9, 2019
0
665
1
In triangle ABC, B = 90 degrees, and AC = 13 cm.
In triangle ABC, B = 90 degrees, and AC = 13 cm.
Determine:
A) BC if C = 17 degrees. B) A if BC = 6cm .
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Guest
Jun 9, 2019
0
567
1
Math help
Math help
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Guest
Jun 9, 2019
-2
651
2
+379
Help please!
deleted.
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sinclairdragon428
Jun 9, 2019
-1
694
1
+379
deleted.
deleted.
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sinclairdragon428
Jun 9, 2019
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1607
3
+379
If $\Phi$ and $\varphi$ are the two distinct solutions to the equation x^2=x+1, then what is the value of ($\Phi$ - $\varphi$)^2?
If $\Phi$ and $\varphi$ are the two distinct solutions to the equation x^2=x+1, then what is the value of ($\Phi$ - $\varphi$)^2?
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sinclairdragon428
Jun 9, 2019
-2
1436
3
+379
If (x+y)^2=78 and xy=13, what is (x-y)^2?
If (x+y)^2=78 and xy=13, what is (x-y)^2?
Thanks!
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sinclairdragon428
Jun 9, 2019
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