10/13/21

What is the value of F(x) when X=-3 ?
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10/13/21

Find the inverse of the function on the given domain. 
Find the inverse of the function on the given domain. f(x)=(x-2)^2,[2,infinity)
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10/13/21

It is estimated that 11% of those taking the quantitative methods portion of the certified public accountant (CPA) examination fail that section.

It is estimated that 11% of those taking the quantitative methods portion of the certified public accountant (CPA) examination fail that section. Seventy five students are taking the examination... more
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10/13/21

State the amplitude, period, phase shift, and vertical shift of f(x) = −2 sin( (x+1) /4 ) − 3
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10/12/21

Find the exact value of the remaining trigonometric functions of 𝜃 given that cos 𝜃 = ⁡ −⁡5/9 ⁡⁡⁡⁡,⁡⁡⁡⁡⁡⁡⁡⁡𝜋⁡ ≤ ⁡𝜃⁡ ≤ ⁡ 3𝜋 2
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10/06/21

The point (2,1) is on the terminal side of an angle in standard position. What are the values of sin theta and cos theta
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09/30/21

You have 7 pennies, 2, nickels, and 7 dimees. Without replacement, what is the probability of choosing 2 coins that total 10 cents.
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09/30/21

Trigonometry, Math
Sketch the graph of the equation the on interval . You must find the beginning and the end of a period. Then apply the appropriate reflection, stretching, and vertical shifting: a) y = 2+2... more
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09/30/21

If f ( x ) is a function which is continuous everywhere, then we must have
Let f(x)={8x−2 ifx ≤ 10 {−8x+b if x>10If f ( x ) is a function which is continuous everywhere, then we must haveb = ?
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09/30/21

A function f(x) is said to have a removable discontinuity at x=a if: 
A function f(x) is said to have a removable discontinuity at x=a if: 1.  f is either not defined or not continuous at x=a2. f(a)f(a) could either be defined or redefined so that the new function is... more
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09/30/21

statistics about hypothesis
The general population (Population 2) has a mean of 30 and a standard deviation of 5, and the cutoff Z score for significance in a study involving one participant is 1.96. If the raw... more
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09/30/21

help with calculus
An important application of systems of equations arises in connection with supply and demand. As the price of a product increases, the demand for that produce decreases. However, at higher prices,... more
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09/29/21

The value of electronics is falling
The value of electronics is falling quite rapidly. A reasonable assumption is that the value halves every year. In this case, what is the percentage decrease in the value of an electronic good over... more
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09/29/21

If the true level is 4.1, would it be unusual for a 24-hour measurement to indicate that the level is safe?
Radon is a naturally occurring radioactive substance that is found in the ground underneath many homes. Radon detectors are often placed in homes to determine whether radon levels are high enough... more
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09/29/21

What is this answer ?

A once-popular children's doll is slowly declining in popularity. The quartic function f(x)=−0.022x4+0.457x3−2.492x2−5.279x+87.419, where x is the number of years since​ 1993, can be used to... more
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09/29/21

how do i reflect when x is greater than 1
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09/28/21

A flat screen television is advertised as being 43 inches on its diagonal. If the TV is 21 inches tall, then how wide is the screen?
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09/28/21

The left and right page numbers of an open book are two consecutive integers whose sum is 333.
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09/27/21

Intro to chemistry
Empty beaker weighs 5.4325 grams. When partially filled with water, the beaker weighs 7.6589 grams. What is the mass of the wTer in the beaker?
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09/27/21

NEED HELP ASAP!! PLEASE
A certain affects virus 0.9% of the population. A test used to detect the virus in a person is positive 86% of the time if the person has the virus (true positive) and 15% of the time if the person... more
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09/27/21

Mechanics Transformations
A) What are the domain and range of f(x)? [Note the arrow on the left side and the closed endpoint on the right side]B) Label at least 5 key points on the graph. It helps to write them in a... more
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09/27/21

Can someone please help me with this geometry problem?
Triangle XYZ has vertices at X(5, –1), Y(2, 2), and Z(0, 0). What would be the coordinates of the image if ∆XYZ were rotated 180° about the point A(5, 2)?I got this as my answer:X’ (5,5)Y’ (8,2)Z’... more
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09/22/21

Write an equation of the line perpendicular to the given line that contains P. p(4,4);y=-2x-8
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09/22/21

show all work neatly
the price of a certain item is p dollar. the sales tax on items is 7%. which expressions represent the total cost of the time, in dollars after the tax has been applied? 0.07p ... more
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09/22/21

May I know what does how many marbles does he have left mean?
I can't understand the meaning of the word "have left". Can you please explain to me? Can "have left" synonym be "still have"? Thanks a lot.
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