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+0
230706 Questions
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378
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An expression for calculating the drug dose for young children are (2t^3 + t^2 -t)a / 48t^2 -24t,
An expression for calculating the drug dose for young children are: (2t^3 + t^2 -t)a / 48t^2 -24t, where t is the age of the child in years and a is the adult dose. If the adult dose for a pain k*****g drug is 250mg, then what is the dose to the nearest
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Guest
Jun 10, 2019
0
869
1
+150
WHY GOD WHY?
Prove that if a quadratic has real coefficients such that the sum of the coefficients is zero, then the quadratic has real roots.
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Imnotamaster
Jun 10, 2019
+3
947
4
+115
Harder Word Problem
A carnival Ferris wheel with a radius 8 m makes one complete revolution every 20
seconds. The bottom of the wheel is 1 m off the ground. The ride lasts 40 seconds and
starts at the bottom of the wheel.
a) Find an equation
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Drazil
Jun 10, 2019
-1
776
2
+379
Help please!
deleted.
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sinclairdragon428
Jun 10, 2019
Jun 9, 2019
-3
1133
4
+23
plsplsplsplsplssss helpp
A right triangle has leg lengths of 7 and 24 units. A second triangle is similar to the first triangle and has a hypotenuse of 100 units. What is the length, in units, of the shorter leg of the second triangle?
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ProffesorNobody
Jun 9, 2019
0
882
3
+115
Word Problem
Question Number 2, I solved one.
The answer according to the key is: 12.9M
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hectictar
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Drazil
Jun 9, 2019
-1
811
2
+379
Help please!
deleted.
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sinclairdragon428
Jun 9, 2019
0
841
1
+150
HALP!
A quadratic expression is monic if the coefficient of its quadratic term is 1. Let f(x), g(x), and h(x) be monic quadratics such that the sum of the roots of f(x) is a, the sum of the root of g(x) is b, and the sum of the roots of h(x) is c. Find the sum
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Imnotamaster
Jun 9, 2019
0
750
1
+150
I hate Intermediate Algebra! Its so hard!
Find constants a and b such that b - a is as small as possible, and the entire graph of the equation y=(1-x^2)/(1+x^2) lies within a
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Imnotamaster
Jun 9, 2019
0
404
1
Please help
For a given positive integer $n > 2^3$, what is the greatest common divisor of $n^3 + 3^2$ and $n + 2$?
Thanks!
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Guest
Jun 9, 2019
0
663
1
Solve to one decimal place.
Solve to one decimal place.
A) 15 / sin 43 degrees. = 13 / sinB
C) sin14 degrees / 3.1 = sin27 degrees / b
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Guest
Jun 9, 2019
0
773
1
+1242
Help!
If a and b are nonzero real numbers such that , compute the value of the expression I
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Lightning
Jun 9, 2019
-1
884
1
+1206
help
Three concentric circles are shown. The two largest circles have radii of 12 and 13 If the area of the ring between the two largest circles equals the area of the smallest circle, determine the radius of the smallest circle.
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Logic
Jun 9, 2019
0
1904
4
+1206
help
Stuart has drawn a pair of concentric circles, as shown. He draws chords , of the large circle, each tangent to the small one. If , then how many segments will he draw before returning to his starting point at ?
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Logic
Jun 9, 2019
0
1004
1
+1206
help
Point A has coordinates (x, 6). When Point A is reflected over the Y-axis it lands on Point B. What is the sum of the four coordinate values of points A and B?
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Logic
Jun 9, 2019
0
943
1
+220
please help on this problem
Four slips of paper labeled A, B, C and D are drawn from a hat at random, one at a time, without replacement. What is the probability of drawing C first and D last? Express your answer as a common fraction.
power27
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Oofrence
Jun 9, 2019
0
752
3
help
Using the digits 1, 2, 3, 4, 5, how many even three-digit numbers less than 500 can be formed if each digit can be used more than once?
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Guest
Jun 9, 2019
+1
811
1
+142
HELP PLEASE
Consider the expressions and
a) Show that these expressions are equal when
b) Explain why these expressions are not equal when
c) Show that these expressions are equal for all other than
In
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KeyLimePi
Jun 9, 2019
0
837
2
+1242
Help!
Find the minimum value of for x > 0.
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Lightning
Jun 9, 2019
0
795
1
+1242
Help!
The polynomial is a factor of . Enter all possible values of b, separated by commas.
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Lightning
Jun 9, 2019
0
345
0
Functions and translations
This is the graph for the function f(x) = -x2 + 2.
a. The graph of f gets multiplied with the factor - 1/2 to create the graph g. How would the
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Guest
Jun 9, 2019
0
367
0
Given is the function f(x) = -x 2
Given is the function f(x) = -x2
a. The graph of f shifted 3 units down. The graph that comes into existence, belongs to the function g. Calculate the points of intersection of the graph of g with the line y = -28
b. The graph of h starts
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Guest
Jun 9, 2019
+1
2090
2
+88
In convex quadrilateral ABCD, AB=BC=13, CD=DA=24, and angle D=60 degrees. Points X and Y are the midpoints of segment BC and segment DA
In convex quadrilateral ABCD, AB=BC=13, CD=DA=24, and angle D=60 degrees. Points X and Y are the midpoints of segment BC and segment DA respectively. Compute XY^2 (the square of the length of XY).
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alskdj
Jun 9, 2019
0
345
0
Given is the function f(x) = -3x + 2
Given is the function f(x) = -3x + 2
a. The graph of g starts from the graph of f by multiplying the x axis with the factor - 2/3 and shift it up 1/3. What is the function notation of g?
b. The graph of the function h(x) = -12x
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Guest
Jun 9, 2019
0
802
1
+18
I really don't get this please help (visual diagrams appreciated to help me understand this stuff)
Medians $\overline{AX}$ and $\overline{BY}$ of $\triangle ABC$ are perpendicular at point $G$. Prove that $AB = CG$.
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charluu
Jun 9, 2019
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