02/25/23

Sound travels about 750 miles per hour
Sound travels about 750 miles per hour. If you stand in a canyon and sound a horn you will hear an echo.a) Suppose it takes about 2.5 seconds to hear the echo. How far away is the canyon wall in... more
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02/25/23

Suppose you lined 175,000 people up in a straight line, with each person extending their arms out so
Suppose you lined 175,000 people up in a straight line, with each person extending their arms out so the tip of their fingers touches the shoulder of the person in front of them (like in the class... more
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02/24/23

If Matt jumps from ground level with an initial velocity of 48 feet per second, how long does it take Matt to hit the ground?
Vertical Motion Model: Use the vertical motion model, which is s(t) = -16t2 + vt + s, where v is your initial velocity, and s is your initial position. If Matt jumps from ground level with an... more
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02/24/23

Math question to be answered
(-5z)3
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02/24/23

If 2 and 1/2 cups of protein equals 1280 calories. How many calories are in just one cup if protein?
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02/24/23

If 2 and 1/2 cups of protein equals 333 g. How many grams are in just one cup of protein?
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02/24/23

Here is the preference schedule for a recent election among four candidates:
1 10 19 4 5 7 11 Number of voters 1st... more
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02/24/23

My overall class grade is a 90% (A-) but i got a 60% on a test what will my grade be?
Someone help me please I am worried my grade will drop to a C+/- I need to know what my class grade will be.
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02/24/23

linear equations
Passing through (2,3) and PARALLEL to y=x-4
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02/24/23

How do you graph a slope of (-1/5) and a y-intercept of 1?
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02/24/23

Write a rational Algebraic Equation that has extraneous solutions of 0 and 6
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02/24/23

if f(x)=4x^3+Ax^2+4x-9 and f(2)=1 what is the value of a
if f(x)=4x^3+Ax^2+4x-9 and f(2)=1 what is the value of a
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02/24/23

Maria the trainer has two solo workout plans that she offers her clients
Maria the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the other (not both). On Friday there were 3 clients who did Plan A... more
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02/24/23

Taxi Prices and Miles
The cost of a taxi ride is $1.9 for the first mile and $1.7 for each additional mile or part thereof. Find the maximum distance we can ride if we have $102.2. Enter your answer as an integer or a... more
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02/24/23

The diagram of an electric circuit shows three parallel resistors. If R is the equivalent resistance of the three resistors, then 1/R = 1/R1 + 1/R2 + 1/R3.

In this circuit R1 is twice the resistance of R2 and R3 equals 20 ohms. Suppose the equivalent resistance is equal to 10 ohms. Find R1 and R2.
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02/24/23

Plumber Salaries
What equations must I put together to figure these both out?Juan recently hired a plumber to do some necessary work. On the final bill, Juan was charged a total of $664. $430 was listed for parts... more
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02/24/23

Solve for k so that the rational equation has exactly one extraneous solution and one real solution.

2/x^2-4x+k = 2x/x-1 + 1/x-3
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02/24/23

Algebra 2 function
A dog pen has a perimeter of 200 feet. Write an equation for the area A(w) of the dog pen as a function of its width, w.
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02/24/23

Oldest Child to Youngest Child
How do I put this together to get the answer?The oldest child in a family of four is twice as old as the youngest. The two middle children are 12 and 15 years old. If the average age of the... more
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02/24/23

Choosing a Cell Phone Plan
What equation must I make to figure this out?You are choosing between two different cell phone plans. The first plan charges a rate of 26 cents per minute. The second plan charges a monthly fee of... more
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02/24/23

A trapezoid has an area of 20 cm2 and a height z cm. The lengths of the parallel sides are (2z + 3) cm and (6z – 1) cm. Find the height, z
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02/24/23

Quadratic equations and functions

A ball is thrown from an initial of 1 meter with an initial upward velocity of 30 m/s. The balls height h (in meters) after t seconds is given by the following
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02/24/23

Pre calculus question

In a certain city the number of hours of daylight on day t (where t is the number of days after January 1) is modeled by the functionL(t)= 13 + 2.83 sin(2pi/365(t-80))(a) Which days of the year... more
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02/24/23

help me with this question please
i bought a sweater that was 70% the price was $42 what is the original price
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02/24/23

An igloo can be modeled as a hemisphere. Its radius measures 6.4 m. Find its volume in cubic meters. Round your answer to the nearest tenth if necessary.
An igloo can be modeled as a hemisphere. Its radius measures 6.4 m. Find its volume in cubic meters. Round your answer to the nearest tenth if necessary.
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