03/23/23

If you have a missing side in a triangular prism and have the volume will you still make the base in half?
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03/22/23

How many textbooks of each type were sold?
A textbook store sold a combined total of 279 biology and history textbooks in a week. The number of biology textbooks sold was two times the number of history textbooks sold. How many textbooks of... more
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03/22/23

Precalc math problem 2 and 3
Solve the equation for exact solutions over the interval [0,2π).1) sec2 x + 1= 02) sec2x + 2sin x + 1= 0
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03/21/23

The table shows the numbers x of absences in a school year and the final exam scores y of several students
The table shows the numbers x of absences in a school year and the final exam scores y of several students Absences, x 4 5 6 1 1 Final Exam... more
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03/16/23

geometry (please explain)
Roman is using the figure shown below to prove Pythagorean Theorem using triangle similarity.In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC.Part A: Identify... more
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03/16/23

geometry (please explain)
Which triangle is similar to triangle EAD using the Pieces of Right Triangles Similarity Theorem? A.Triangle BAC B. Triangle DAC C. Triangle CAB D. Triangle ACD
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03/16/23

What is the equation of the line in slope-intercept form that passes through point (4, 5) and is parallel to the line y = −2x − 2?

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03/15/23

Related rates calc
A boat is pulled into a dock by a rope attached to the bow (front end) of the boat and passing through a pulley on the dock that is 1212 m higher than the bow of the boat. If the rope is pulled in... more
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03/14/23

Graph the system of inequalities. Identify the solution region. y ≥ 3x + 11 x + y ≥ 3
Graph the system of inequalities. Identify the solution region. y ≥ 3x + 11 x + y ≥ 3
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03/13/23

Geometry (please explain)
The figure below shows a quadrilateral ABCD. Sides AB and DC are congruent and parallel:A student wrote the following sentences to prove that quadrilateral ABCD is a parallelogram:Side AB is... more
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03/13/23

Geometry (please explain)
Triangle ABC is shown on the coordinate plane.If ΔABC is reflected over the y-axis and then dilated by a scale factor of 3 about the origin, where are the vertices of ΔA″B″C″ located?
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03/11/23

Application rate of insecticide
If I have a product with a .7% concentration that is applied at 3 oz/gal what would the app. rate be for the same product at 22% concentration using a hose end sprayer with dial settings of tsp,... more
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03/10/23

I don't know how to do this:
Mark Y inside regular pentagon P QRST , so that P QY is equilateral. Is RY T straight? Explain.
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03/10/23

This question confuses me: I need to know that angle BMQ is equal to angle BNC. How?
You are given a square ABCD, and midpoints M and N are marked on BC and CD, respectively. Draw AM and BN, which meet at Q. Find the size of angle AQB.
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03/09/23

MODELING REAL LIFE
You deposit $50 in an investment account that earns 7% annual interest compounded monthly. Write a function m that represents the balance (in dollars) of the investment account after t yearsWhat is... more
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03/09/23

Increase and decrease equation, X and Y, with just this equation 20x+550=y

Jina is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Jina has been adding money. Suppose that x... more
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03/08/23

Determine the intervals on which f f is increasing or decreasing, assuming the figure below is the graph of the derivative of f
Determine the intervals on which ff is increasing or decreasing, assuming the figure below is the graph of the derivative of ff.Interval 1: _____ f is (increasing/decreasing)Interval 2: _____ f is... more
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03/07/23

One of sin x, cos x, and tan x, are given. Find the other two if x lies in the specifed interval.
Tan x = 1/2 X ∈ ( π , 3π/2 )
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03/07/23

Pre calculus HW question

Find the indicated quantity, assuming that u = 7i + j, v = i - 3j, and w = 3i + 2j. u x (v + w)
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03/06/23

Precalc 2 Homework
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 44 and 56 degrees during the day and the average daily temperature first... more
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03/04/23

Verify that the function satisfies the three hypotheses of

Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that satisfy the conclusion of Rolle's Theorem. (Enter your answers as a... more
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03/03/23

Consider the sequence: 7, 13, 19, 25, 31,… Which expression describes this sequence, using n to represent the position of a term in the sequence, where n=1 for the first term?
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03/03/23

If cosx= -1/2 for 90degrees<x<180degrees, calculate cosx/sinx
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03/01/23

Half life problem
The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced to a mass of 3 mg.What was the initial mass (in mg) of the sample?What is the mass (in mg) 7 weeks... more
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02/27/23

Solve this please

How much would you need to deposit in an account now in order to have $3000 in the account in 15 years? Assume the account earns 8% interest compounded monthly.
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