03/29/22
A stone is thrown from the top of a bridge into a lake below such that its height
A stone is thrown from the top of a bridge into a lake below such that its height, h, inmetres, from the lake’s surface, can be modelled by the function h(t) = –4.9t^2 – 8t + 60a) What is the...
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03/29/22
3.8 geometry 10th grade
Write an equation of the line parallel to the given line that contains C.
C(6,0);y=1/3x
C(6,-2);y=-3/2x+6
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03/29/22
For the function r(z) = -4 sin(2z) + 1, indicate the amplitude, period, and equation of the midline.
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03/29/22
If a 1 = 8 a 1 =8 and a n = n a n − 1 + 5 a n =na n−1 +5 then find the value of a 3 a 3 .
Determine if triangle is right or not
Determine whether a triangle with sides of lengths 3, √21, and 7 units is a right triangle.
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Simplify each expression by writing your answers in simplest radical form (no decimals). Assume that all variables represent positive numbers.
sqrt(12n^3) * sqrt3nI'm between 6n^2 and 6n^4, im not sure which is correct.
03/29/22
The manufacturer of a wine bottle spends $4.80 to make each bottle and sells them for
The manufacturer of a wine bottle spends $4.80 to make each bottle and sells them for $9.60. The manufacturer also has fixed costs each month of $5000.Find the cost function, C, when x bottles are...
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03/29/22
Joseph invested in two accounts. He invested in an account that gave him an interest rate o
Joseph invested in two accounts. He invested in an account that gave him an interest rate of 4% per year and an account that gave him an interest rate of 11% per year. He invests a total of $20300,...
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03/29/22
A scientist needs 400 liters of a 55% alcohol solution. She has available a 75% and a 25% solution.
A scientist needs 400 liters of a 55% alcohol solution. She has available a 75% and a 25% solution. How many liters of the 75% and how many liters of the 25% solutions should she mix to make...
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03/29/22
If one student is chosen at random, Find the probability that the student was full-time AND got a "B".
Giving a test to a group of students, the grades and class-taking status are summarized below
A
B
C
Total
Full-time
2
18
3
23
Part-time
13
16
14
43
Total
15
34
17
66
03/29/22
U.S. Nursing Shortage
The demand for a certain profession between 2000 and 2015 is estimated to beD(t) = 0.0004t2 + 0.0235t + 5 (0 ≤ t ≤ 15)where D(t) is measured in millions and t = 0 corresponds to the year 2000....
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03/29/22
Jennifer mixes an alloy containing 14% gold with an alloy containing 24% gold to make 100 pounds of an alloy with 18% gold. How many pounds of each kind of alloy did she use?
How many pounds of each kind of alloy did she use?
03/29/22
Find the relative maxima and relative minima, if any, of the function.
F(x) = 3x4 - 4x3 + 7Relative Maximum (X,Y) = ( )Relative Minimum (X,Y) = ( )
03/29/22
Find the relative maxima and relative minima, if any, of the function.
F(X)= (1/3)x3 - x2 - 3x + 3relative maximum (x,y) = ( )relative minimum (x,y) = ( )
03/29/22
Find the interval(s) where the function is increasing and the interval(s) where it is decreasing.
F(x)= (7/(x-3))increasing=decreasing=
Sharon shared a Tik Tok with 3 of her friends. Within 1 hour , each of her friends had shared it to 3 of their friends. Sharon wants to know how many people would have seen the Tik Tok after 6 hours.
Sharon shared a Tik Tok with 3 of her friends. Within 1 hour , each of her friends had shared it to 3 of their friends. Sharon wants to know how many people would have seen the Tik Tok after 6...
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03/29/22
finding an equation given a degree and zeros
degree 5; leading coefficient 3; zeros: 5 (multiplicity 2),1,4-ithank you i deeply appreciate it.
03/28/22
Grade 9 Algebra: Please Help!, Multiply Polynomial Expressions
Fill in the blanks to show the product:
(x + 6)(x - 4) = ___x2 + ___x + ___
(2x + 5)(x - 3) = ___x2 + ___x + ___
(3x + 2)(2x + 5) = ___x2 + ___x + ___
(2x - 1)(x - 5) = ___x2 + ___x + ___
03/28/22
Teresa is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.
Company A charges $99 and allows unlimited mileage. Company B has an initial fee of $55 and charges an additional $0.80 for every mile driven. For what mileages will Company A charge less than...
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03/28/22
Please help me on this question. I Need to get this done in order to get my grade lifted up
If (f+g)(x)=7x^2−11x+3,which of these could be f(x) and g(x)?
f(x)=−x^3+x^2+3; g(x)=x^3+6x^2−11x
f(x)=−8x+1; g(x)=7x^2−3x+3
f(x)=x^3+7x^2−2x; g(x)=−9x+3
f(x)=3x^2−6x−4; g(x)=4x^2−5x+1
03/28/22
Melissa invested in two accounts. She invested in an account that gave her an interest rate of 4% per year and an account that gave her an interest rate of 10% per year
Melissa invested in two accounts. She invested in an account that gave her an interest rate of 4% per year and an account that gave her an interest rate of 10% per year. She invests a total...
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