Richard C.

09/26/22

Maricopa's Success scholarship fund receives a gift of $ 180000.

Maricopa's Success scholarship fund receives a gift of $ 180000. The money is invested in stocks, bonds, and CDs. CDs pay 5.5 % interest, bonds pay 2.4 % interest, and stocks pay 10.5 % interest.... more

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Precalculus

09/24/22

Use a graphing utility to solve the system of equations graphically. Round your solution(s) to two decimal places, if necessary.

Use a graphing utility to solve the system of equations graphically. Round your solution(s) to two decimal places, if necessary. y = −4e−x y + 2x + 9 = 0 (x,y)=

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Calculus

09/24/22

I need help understanding this Question

Using the Intermediate Value Theorem and a calculator, find an interval of length 0.01 that contains a root of x5−x2+2x+3=0, rounding off interval endpoints to the nearest hundredth.??<x<??

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Sat Math

09/24/22

We have a jar of coins, all dimes and nickels. All together, we have 135 coins, and the total value of all coins in the jar is $ 11.40. How many dimes are there in the jar?

We have a jar of coins, all dimes and nickels. All together,we have 135 coins, and the total value of all coins in thejar is $ 11.40. How many dimes are there in the jar?

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Geometry

09/23/22

Geometry, Please Help!

Triangle ABC has sides with the following lengths: AB=3 inches, AC=4 inches, and BC=5 inches.It is rotated 45° around point A. The length of the side B′C′ is___inches.

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Precalculus

09/23/22

how do I solve?

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 60 degrees at midnight and the high and low temperatures during the day are 74 and 46... more

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Precalculus

09/23/22

Find b and c so that y = − 9 x 2 + b x + c has vertex ( − 3 , 3 ) .

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Precalculus

09/23/22

Use the acidity model pH = −log[H+], where acidity (pH) is a measure of the hydrogen ion concentration [H+]

Use the acidity model pH = −log[H+], where acidity (pH) is a measure of the hydrogen ion concentration [H+] (measured in moles of hydrogen per liter) of a solution. Find the pH when [H+] = 1.55 ×... more

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Algebra 1

09/22/22

Two factory plants are making TV panels.

Two factory plants are making tv panels. Yesterday, Plant A produced 4000 fewer planets than Plant B did. Three percent of the panels from Plant A and 4 % of panels from Plant B were defective. How... more

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Math Algebra 1

09/22/22

The equation of the line that goes through the point ( 4 , 5 ) and is parallel to the line 3 x + 4 y = 3 can be written in the form y = m x + b

The equation of the line that goes through the point ( 4 , 5 ) and is parallel to the line 3 x + 4 y = 3 can be written in the form y = m x + b Where M is?Where B is?

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Algebra 1

09/22/22

A radioactive substance decays at a continuous rate of 16.1 % per day. After 17 days, what amount of the substance will be left if you started with 220 mg?

A radioactive substance decays at a continuous rate of 16.1% per day. After 17days, what amount of the substance will be left if you started with 220 mg?(a) First write the rate of decay in decimal... more

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Math Calculus Precalculus

09/22/22

I need precalculus help!! (function notation)

A tank has 16 gallons of water in it when water begins draining from the tank. (Recall that water weighs 8.345 pounds per gallon.)a. If 22 pounds of water have drained from the tank, how many... more

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Precalculus Trigonometry

09/21/22

help please i dont know where i am wrong

A bicycle with 2424-inch diameter wheels is traveling at 1212 mi/h. Find the angular speed of the wheels in rad/min. Enter the exact answer. ω=ω= rad/min How many revolutions per minute do the... more

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Algebra 2

09/20/22

Math word problem

When Suzy past the coffee shop, she can pick up their free wi-fi signal, which extends 60 ft from the shop. She starts walking toward the coffee shop at rate of 3 ft/sec from her office building... more

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Algebra 1 Algebra 2 Precalculus

09/20/22

Starting with the graph of f ( x ) = 5^x , write the equation of the graph that results from

Starting with the graph of f(x)=5^x, write the equation of the graph that results from(a) shifting f(x) 7 units upward. y= (b) shifting f(x) 8 units to the right. y=(c) reflecting f(x) about the... more

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Algebra 1 Algebra 2

09/20/22

A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in living trees.

A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in living trees.How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is... more

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Algebra 1 Algebra 2 Precalculus

09/20/22

A bacteria culture initially contains 2000 bacteria and doubles every half hour.

A bacteria culture initially contains 2000 bacteria and doubles every half hour.Find the size of the baterial population after 40 minutes. Find the size of the baterial population after 7 hours.

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Precalculus

09/20/22

Determine (if possible) the zeros of the function g when the function f has zeros at x = r1, x = r2, and x = r3. g(x) = 6f(x)

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Algebra 2

09/19/22

Piecewise function domain and range

F(x){ x^2 if x<=0 1/2x if x>0how do I find the domain and range of piece wise functions?

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Geometry

09/19/22

Use the following information to find x . Write the value of the variable. B is between A and C ; A B = 3 x + 6 ; B C = 15 x – 2 ; and ¯¯¯¯¯¯ A B ≅ B C .

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Math Calculus

09/19/22

The volume of a spherical hot air balloon V(r) =(4/3)(pi)(r^3)

The volume of a spherical hot air balloon V(r) =(4/3)(pi)(r^3). The radius is a function of time given by r(t) = 3t. Find the average rate of change of the volume with respect to t as t changes... more

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Math Calculus

09/19/22

s(t) = 500 − 16t2

What is the velocity as it strikes the ground

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Algebra 2 Precalculus

09/18/22

The rate at which crickets chirp, R (unit: number of chirps per minute), depends on the temperature of their environment, F (unit: degrees Fahrenheit).

For a particular cricket species, this relationship can be modeled by the function R(F) = 4F - 160. The ambient temperature F is 0 ≤ t ≤ 18 and F(t) = 0.3t^2 - 5.4t + 71.8, where t is the number of... more

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Trigonometry

09/18/22

Solve using a system of equations

The crew of a helicopter needs toland temporarily in a forest and spota flat piece of ground (a clearing inthe forest) as a potential landing site,but are uncertain whether it is wideenough. They... more

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Calculus Precalculus

09/17/22

Calc question please help i dont understand:/

Consider the function below f(x)=2/|x|,g(x)=x-9Determine the domains of the following. Use a graphing utility to verify your results. (Enter your answers using interval notation.)(a) Domain... more

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Maricopa's Success scholarship fund receives a gift of $ 180000.

Use a graphing utility to solve the system of equations graphically. Round your solution(s) to two decimal places, if necessary.

I need help understanding this Question

We have a jar of coins, all dimes and nickels. All together, we have 135 coins, and the total value of all coins in the jar is $ 11.40. How many dimes are there in the jar?

Geometry, Please Help!

how do I solve?

Find b and c so that y = − 9 x 2 + b x + c has vertex ( − 3 , 3 ) .

Use the acidity model pH = −log[H+], where acidity (pH) is a measure of the hydrogen ion concentration [H+]

Two factory plants are making TV panels.

The equation of the line that goes through the point ( 4 , 5 ) and is parallel to the line 3 x + 4 y = 3 can be written in the form y = m x + b

A radioactive substance decays at a continuous rate of 16.1 % per day. After 17 days, what amount of the substance will be left if you started with 220 mg?

I need precalculus help!! (function notation)

help please i dont know where i am wrong

Math word problem

Starting with the graph of f ( x ) = 5^x , write the equation of the graph that results from

A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in living trees.

A bacteria culture initially contains 2000 bacteria and doubles every half hour.

Determine (if possible) the zeros of the function g when the function f has zeros at x = r1, x = r2, and x = r3. g(x) = 6f(x)

Piecewise function domain and range

Use the following information to find x . Write the value of the variable. B is between A and C ; A B = 3 x + 6 ; B C = 15 x – 2 ; and ¯¯¯¯¯¯ A B ≅ B C .

The volume of a spherical hot air balloon V(r) =(4/3)(pi)(r^3)

s(t) = 500 − 16t2

The rate at which crickets chirp, R (unit: number of chirps per minute), depends on the temperature of their environment, F (unit: degrees Fahrenheit).

Solve using a system of equations

Calc question please help i dont understand:/

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