01/28/22

Algebra Caffeine problem
Rebecca drinks a cup of coffee every morning at 5:00 am. The amount of caffeine (in mg) in her body as a result of drinking this coffee is given by the function 𝐴(𝑡) = 200(1/2)^t/6, where 𝑡 is time... more
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01/28/22

Trignometric Identities
1-2sin^2x x x------------ + 2sin ____ cos ___ = cosxcosx + sinx 2 2
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01/28/22

Homework help. I keep getting it wrong. Please give answers

Given the following equation:4 NH3 (g) + 5 O2 (g) →→ 4 NO (g) + 6 H2O (l)How many moles of NH3 is required to produce 35.9 grams of H2O? 
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01/27/22

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree​ 4; ​ zeros: −3+2i; 5 multiplicity 2
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01/27/22

If 2kg of irons scraps were melted down and reformed into a cube, what would be the volume of the cube?
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01/27/22

Elastic potential energy

A dart gun has a spring withk= 222 N/m. A 0.0100 kg dart isloaded, and the spring is pulledback 0.0480 m. At what speeddoes the dart leave the gun?Unit=m/sif someone could please Thoroughly work... more
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01/26/22

Elastic potential energy

A dart gun has a spring withk= 185 N/m. A 0.0100 kg dart isloaded, and the spring is pulledback 0.0520 m. If the dart is shotstraight up, how high does it go?Unit =m IF SOMEONE COULD ANSWER THIS... more
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01/26/22

How to get the instantaneous velocity and maximum velocity?
The graph below shows the total distance , in miles, traveled by a bicyclist after hours.(b) Estimate the bicyclist's instantaneous velocity at the following times.At hour, the instantaneous... more
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01/25/22

I NEED HELP WITH FINITE
A player scored 93 points in a single professional basketball game. He made a total of 59 ​baskets, consisting of field goals​ (worth two​ points) and foul shots​ (worth one​ point). Find the... more
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01/25/22

Homework Needed Help
Let f(x)=1/2x2-1 and mPQ be the slope of the secant line that contains points P=(2,f(2)) and Q=(2+h,f(2+h)). Use question 3, and 4 and 5 determine a number a such that mPQ arrow a as h arrow 0. As... more
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01/22/22

Find the area between curves
y = 12 - x, y = √x, and y = 1Determine its entire area in units 2Area =
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01/21/22

Rewrite the following equation in standard form. y = 2(x + 2)^2 - 5
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01/20/22

please help if you can thank you! down below is the question I think it might be D but I am unsure!
If `f(x) = 2x^2 - 4x - 3` and `g(x) = 2x^2 - 16`, find `f(x) + g(x)`.A. `4x^2 - 4x + 13`B. `4x^2 - 4x -13`C. `-4x - 19`D. `4x^2 - 4x -19`
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01/20/22

if f(x)= 2 - x^1/2 and g(x)= x^2 - 9 , what is the domain of g(x)divided by f(x)
Please help if you can!
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01/20/22

waves and matter
The point of a needle of a sewing machine acts as a simple harmonic oscillator. It moves in S.H.M along the y-axis with a frequency of 2.5Hz. At t=0, its position is 1.8cm and its velocity is... more
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01/20/22

The table gives values of a continuous function. Use the midpoint rule (n = 3) to estimate the average value of f on [10,40].
x f(x)10 1915 3420 4825 3030 5535 6240 46
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01/20/22

PL HELP ME TO SOLVE THIS
Decide if each similarity statement is true or false.ABF ∼DBCFBC ∼FDEABF∼FDEFDE∼DBC
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01/20/22

sin and cosine equations

A cosine curve with a period of 4𝜋, an amplitude of 3, a right phase shift of 𝜋/2, and a vertical translation up 5 units.
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01/20/22

write a cosine function

Write a cosine function that has an amplitude of 2, a midline of 5 and a period of π
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01/20/22

write a cosine function
Write a cosine function that has a midline of 4, an amplitude of 2 and a period of 7π/5
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01/19/22

Use a piece of paper to create an augmented matrix to represent this linear system. 3x - 4y = 12 2x - 8y = 16 How many rows does your matrix have?
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01/19/22

Which of the lines is the equation of a line that passes through the point (3,6) and is perpendicular to the line 2x+4y=8?
A. Y-6=-2(x-3)b. Y=-2x+12c. All of thesed. 2x+y-12=0e. Y=2x
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01/19/22

PLEASE HELP ME IN THIS
Find the area of LKJ. A. 108 square units B. 300 square units C. 165 square units D. 150 square units .
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01/18/22

-10 - 4(3p - 10) = 18
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01/18/22

In the description is my question

When estimating distances from a table of velocity data, it is not necessary that the time intervals are equally spaced. After a space ship is launched, the following velocity data is obtained. Use... more
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