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Parul N

Numerade Educator

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Educator Statistics

Numerade tutor for 4 years
261 Students Helped

Parul's Quick Ask Videos

01:08
Calculus 1 / AB

The risk department of your firm has 10 analysts. You need to
select four analysts to serve on a special audit committee. How
many possible groupings of four analysts can be put together? (
show work details)

02:54
Chemistry 101

Write the equation for the reaction that corresponds to each of the following reaction quotients:
(a) Qc = ([H2]2[S2])/([H2S]2)
(b) Qc = ([NO2]2[Cl2])/([NClO2]2)
(c) Qc = ([HgI4 2-])/([Hg2+][I-]4)
(d) Qc = ([NO]2[Br2])/([NOBr]2)

02:22
Calculus 3

What is the wavelength of a 10 MHz ultrasound wave when it is traveling in:
(a) Air
(b) Soft tissue
(c) Bone
(The speed of ultrasound in air, soft tissue, and bone is 331 m/s, 1540 m/s, and 3390 m/s, respectively).

01:47
Chemistry 101

2. Draw the Lewis structure of water and use your drawing to
answer the following questions.
2.1 What types of electron regions are around the central
oxygen atom in water (bond regions or lone pair regions or
both)?
2.2 Which electron pair geometry, tetrahedral or square
planar, would be more stable for a water molecule that has the
configuration of lone pairs and bond regions on the central atom?
Explain your choice.

04:53
Calculus 3

A credit union's Rate-Climber GIC pays rates of 3.5%, 4.0%, and 4.5% compounded semiannually in successive years of a three-year term. What will be the maturity value of $27,000 invested in this GIC? (Do not round intermediate calculations and round your final answer to 2 decimal places.)

02:17
Calculus 1 / AB

The gross federal debt y of a certain country (in trillions of dollars) in year x can be approximated by the following equation, where x is the number of years after 2000.
y = 1.18x + 1.74
Find the federal debt in the year 2009.

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