Michael S.

Algebra 2

08/05/20

Odds against card selection

find the odds against selecting a face card or a spade when a card is drawn from a standard deck of cards

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Answers •3

Algebra 2

08/03/20

I just need the answers to these please I’ve been on it for a while and just want to move on

There is a wheel of prizes at the county fair that costs 1 dollar to spin. Use this wheel of prizes to complete this activity. Each black section takes up 1/4 of the wheel. If you land on that, you... more

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Answers •1

Algebra 2

08/03/20

please help me okay please fine okay

Enter a recursive rule and an explicit rule for the arithmetic sequence. Then, find the 20th term of the sequence.2, 0, −2, −4, ...The recursive rule is f(1) = _______ f(n) = f (n+1 or n-1 or n)... more

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Answers •2

Precalculus

08/02/20

rewrite the expression log2^x+3log2^y-4log2^z

my answer is log2 1x1^3 --------------- 1^4Although i am marked wrong could anyone explain what im doing wrong plz

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Answers •3

Calculus

07/25/20

Find the maximum and minimum values of the function g ( θ ) = 7 θ − 8 sin ( θ ) on the interval [ 0 , π /2 ]

Find the maximum and minimum values of the function g(θ)=7θ−8sin(θ) on the interval [0,π2]I found the derivative to be 7-8cos(θ). I set it = to 0 and get 7/8 i plug f'(7/8) into 7-8cos(7/8) and get... more

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Answers •3

Calculus

07/20/20

Let f ( x ) = x ^(2 x) . Use logarithmic differentiation to determine the derivative.

I got the question wrong so here are my steps:lny=ln(x^(2x))lny=2xlnx1/y dy/dx=2xlnx dy/dxdy/dx=2x (1/lnx)ydy/dx=(2x/lnx)y

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Answers •1

Algebra 2

07/19/20

Using this equation, find out what price the widgets should be sold for, to the nearest cent, for the company to make the maximum profit. y=−x 2 +89x−747

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Answers •2

Geometry

07/19/20

Find the area of the regular polygon.

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Answers •2

Algebra 1

07/19/20

When Mark counted the money he collected from his paper route he had $9.75 all in quarters and dimes. The ratio of dimes to quarters was 7 : 5. How many coins of each type were there?

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Answers •4

Algebra 1

07/19/20

Give the starting value a the growth factor b and the growth rate r if Q=ab^t=a(1+r)^t Write r as a percent

Q=1750(1.593)^ta. a=1750 b=1.593 r=0.593b. a=1750 b=1.593 r=59.3%c. a=2787,75 b=2.5375 r=0.593%d. a=2787.75 b=1.593 c=59.3%

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Answers •2

Precalculus

07/19/20

Express the determinant in the form ai + bj + ck for real numbers a, b, and c.

Express the determinant in the form ai + bj + ck for real numbers a, b, and c.| i j k5 -8 -13 0 1 |

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Answers •2

Precalculus

07/19/20

Let I = I2 be the identity matrix of order 2 and let f(x) = |A − xI|. (In the study of matrices, f(x) is the characteristic polynomial of A,

Let I = I2 be the identity matrix of order 2, and let f(x) = |A − xI|. (In the study of matrices, f(x) is the characteristic polynomial of A, and the zeros of f(x) are the characteristic values... more

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Answers •1

Precalculus

07/19/20

Find the determinant of the matrix.

Find the determinant of the matrix.[Cos x Sin x-sin x cos x]

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Answers •2

Precalculus

07/19/20

Find all the minors of the elements in the matrix.

Find all the minors of the elements in the matrix.[2 4 -10 9 2-3 5 0]M11=M12=M13=M21=M22=M23=M31=M32=M33=

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Answers •1

Calculus

07/19/20

You invested $5000 between two accounts paying 7% and 8% annually intrest if the total earned for the year was $360, how much was invested at each rate

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Answers •1

Prealgebra

07/19/20

The product of two consecutive integers is 5 more than their sum. Find the integers.

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Answers •2

Calculus

07/16/20

For the function y = f ( x ) = 6/ (2 + x^ 2 ),

a). Find the slope of the line tangent to its inverse function at the point P(2,1):I got -2/3 for the slope of f(x) so I thought the inverse was -3/2 but that's wrong.b). Find the equation of the... more

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Answers •2

Calculus

07/15/20

Find the area of the surface obtained by rotating x=1-y^2 0<=y<=1 about x-axis

I keep getting [4pisqrt(1+4y^2)]/3I feel like i'm a little off. Is this correct

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Answers •2

Math Calculus Physics

07/09/20

Please help me answer ASAP!! Find the rate at which water is pumped in cubic centimeters per minute.

Water is leaking out of an inverted conical tank at a rate of 8300.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 15.0... more

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Answers •1

Calculus

07/08/20

Let's assume the rocket rises vertically and its speed is 500 ft/s when it has risen 3000 ft.

A television camera is positioned 4000 ft from the base of a rocket launching pad. The angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. Also,... more

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Answers •1

Algebra 1

07/08/20

Speed Math Question

The average speed of a van is 24 kilometers faster than the average speed of a truck. The van can travel the same distance in 5 hours as the truck travels in 7 hours. Find the average speed of each... more

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Answers •2

Precalculus

07/08/20

The time (in hours) it takes to travel a given distance at 45 mi/h; d = given distance (in mi)

Please I need an answered quickly

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Answers •2

Calculus

07/08/20

A trough is 12 ft long and its ends have the shape of isosceles triangles that are 3 ft across at the top

A trough is 12 ft long and its ends have the shape of isosceles triangles that are 3 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate... more

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Answers •1

Algebra 2 Venn Diagram

07/06/20

VENN DIAGRAM URGENT !!!

A Venn diagram is a common way for teachers and students to organize information. Have you ever seen a three-circle Venn diagram?a) Create a Venn diagram by writing equations for three circles.... more

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Answers •1

Calculus

07/06/20

A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in feet.

f(t) = t3 − 12t2 + 36t(d) When is the particle moving in the positive direction? (Enter your answer in interval notation.)=______(e) Find the total distance traveled during the first 8 s.=______(f)... more

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Answers •1

Odds against card selection

I just need the answers to these please I’ve been on it for a while and just want to move on

please help me okay please fine okay

rewrite the expression log2^x+3log2^y-4log2^z

Find the maximum and minimum values of the function g ( θ ) = 7 θ − 8 sin ( θ ) on the interval [ 0 , π /2 ]

Let f ( x ) = x ^(2 x) . Use logarithmic differentiation to determine the derivative.

Using this equation, find out what price the widgets should be sold for, to the nearest cent, for the company to make the maximum profit. y=−x 2 +89x−747

Find the area of the regular polygon.

When Mark counted the money he collected from his paper route he had $9.75 all in quarters and dimes. The ratio of dimes to quarters was 7 : 5. How many coins of each type were there?

Give the starting value a the growth factor b and the growth rate r if Q=ab^t=a(1+r)^t Write r as a percent

Express the determinant in the form ai + bj + ck for real numbers a, b, and c.

Let I = I2 be the identity matrix of order 2 and let f(x) = |A − xI|. (In the study of matrices, f(x) is the characteristic polynomial of A,

Find the determinant of the matrix.

Find all the minors of the elements in the matrix.

You invested $5000 between two accounts paying 7% and 8% annually intrest if the total earned for the year was $360, how much was invested at each rate

The product of two consecutive integers is 5 more than their sum. Find the integers.

For the function y = f ( x ) = 6/ (2 + x^ 2 ),

Find the area of the surface obtained by rotating x=1-y^2 0<=y<=1 about x-axis

Please help me answer ASAP!! Find the rate at which water is pumped in cubic centimeters per minute.

Let's assume the rocket rises vertically and its speed is 500 ft/s when it has risen 3000 ft.

Speed Math Question

The time (in hours) it takes to travel a given distance at 45 mi/h; d = given distance (in mi)

A trough is 12 ft long and its ends have the shape of isosceles triangles that are 3 ft across at the top

VENN DIAGRAM URGENT !!!

A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in feet.

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