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Questions (28)
the solubility product constant (Ksp) of ca(oh)2 at 25 C is 4.42*10^-5. a 500 ml of saturated solution of ca(oh)2 is mixed with
2 answers
1,853 views
f(x)= x^5-3x^3-x+6
approximate any real zeros and relative extrema
1 answer
398 views
f(x)= (x-3)^2
find the average rate of change between the following points: a) x=1 and x=3 b) x=4 and x=7
6 answers
510 views
For each of the following limits, determine the indicated limit if it exists.
lim f(x)=? x approaches 4 from the left f(x)=
1 answer
591 views
Given sin(α)=4/5 and 0<α<π/2, find the exact value of sin(α/2).
2 answers
400 views
Given sin(α)=4/5 and 0<α<π/2, find the exact value of sin(α/2).
2 answers
581 views
Use identities to simplify each expression.
sin(x)+cos^2(x)/sin(x) = ? tan^3(x)−sec^2(x)tan(x)/cot(−x) = ?
1 answer
733 views
sin u=1/3 and sin v=1/4.
Then cos u = sqrt(8)/3 cos v = sqrt(15)/4 sin(u+v) = ?
4 answers
671 views
Suppose
cos(u)=3/5 and sin(u) is positive. sin(u)= sin(u−π)= cos(u−π)= sin(u−π/2)= cos(u−π/2)=
2 answers
554 views
Given tan(α)=√3/3 and 0<α<π/2, find the exact values of the remaining five trigonometric functions.
2 answers
728 views
Find the exact values for the lengths of the labeled segments a, b and p drawn in green, red, and blue, respectively. Note that
7 answers
4,570 views
Find the angle between 0 and 2π that is equivalent to 24π/4.
3 answers
918 views
Find a possible formula for the function graphed below. Assume the function has only one x-intercept at the origin, and the
2 answers
3,579 views
Find a possible formula for the function graphed below. The x-intercept is marked with a point located at (5,0), and the
1 answer
3,240 views
Given that f(x) is a cubic function with zeros at −5, 2, and 4, find an equation for f(x) given that f(−10)=−4.
6 answers
2,824 views
Given P(x)=5x^5−9x^3−9x^2+3x+9,
P(x)→ ? if x→−∞, P(x)→ ? if x→∞.
2 answers
353 views
The equation
2^2x−5×2^x+6=0 has two solutions. The smaller is ? and the larger is ?.
1 answer
536 views
Approximate the following logarithms using the properties of logarithms given
logb(2)=0.264, logb(3)=0.419, and logb(5)=0.614.
1 answer
2,502 views
Simplify the following expressions. Your answers must be exact and in simplest form.
(a) log8(8^−5x−10)= (b)
2 answers
843 views
log5(15)+log5(405)−5log5(3) =?
2 answers
773 views
f(x)= log2 (x-1).The vertical asymptote of the function f(x) has equation:?
3 answers
1,376 views
Find the exponential function f(x)=a⋅2^bx with (0,3) and (1,4). a=?,b=?
2 answers
2,301 views
An investment of $4600 is made at an annual simple interest rate of 6.8%. How much additional money must be invested at an
1 answer
1,040 views
A radiator contains 6 liters of a 25% antifreeze solution. How much should be drained and replaced with pure antifreeze to
1 answer
1,617 views
A plane leaves Chicago headed for LA at 540 mph. One hour later, a second plane leaves LA headed for Chicago at 660 mph. If the
1 answer
1,419 views
A triangle has a perimeter of 161 miles. The length of each of the two shorter sides of the triangle is two thirds the length of
2 answers
1,380 views
Three people decide to share the cost of a yacht. By bringing in an additional partner, they can reduce the cost to each person
3 answers
945 views
Richard is flying a kite at an angle elevation of 52 degrees. he is 5 ft tall. If richard is standing 100 ft from the point on
1 answer
622 views
Answers (28)
i meant -2
after my calculations i got that a=2 and b=5???
a) 4&0 b) 1&16 not sure if im suppose to subtract these giving me a=4 and b=15
is it 1?
ty!
lol steve, this website is so slow uploading i didn't think it it the first time i tried. thx though, no antsy lol
Ty!
i did that and still have the wrong answer, don't know why
ty!
ok ty, its complicated and i was trying to add the diagram but i can't. my explanation probably won't help cause I'm not good at it lol ill just leave this part of my quiz blank, thx though buddy!
P is a line segment from s=8 to x-axis, next to b
ty!
a=9cos(8/9) b=9sin(8/9) i don't know how to calculate p
try citation machine dot net
ty!
ty!
thank*
that you!
ty!
ty!
assuming the tests were worth 100 each; 95+83=178; 178/200=.89; .89*100=89
ok thx!
thank you
thx!
found it! :)
thank you!
thank you
thank you!
