03/30/20

Algebra question

From June to the end of September, Jennifer wants to save at least $1,500. Her monthly expenses are $600. Jennifer saves whatever money she has left after paying her expenses each month. Jennifer... more
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02/20/20

Find an equation of the tangent line to the curve y = x x that is parallel to the line y = 6 + 3x.
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11/13/19

Help with IMFs plz
The electron cloud of HF is smaller than that of F2, however, HF has a much higher boiling point than F2 has. Which of the following explains how the dispersion-force model of intermolecular... more
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10/21/19

Help me solve this

Convert 7.41 x1024 atoms of krypton to mass (g)
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10/16/19

Different variables of field daises have numbers of petals that follow a fibonacci sequence. Three varieties have 13, 21, and 34 petals.
How many petals do the next two varieties of field daisies have?A. 42, 50B. 42, 55C. 47, 60D. 55, 89
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10/15/19

A car travels at a speed of 80 km/hr for 2.5 hours. How many km did the car travel? Write the formula. Show the substitutions into the formula and then provide an answer with proper units.
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10/15/19

I cant solve this

You need 595 mL of a 60% alcohol solution. On hand, you have a 85% alcohol mixture. How much of the 85% alcohol mixture and pure water will you need to obtain the desired solution?
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10/14/19

How long will it take for the concentration of A to decrease from 0.500 M to 0.200 M in the first-order reaction A → B? (k = 0.800 s⁻¹)
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10/14/19

Trigonometry airplane descent
An airplane traveling 400 mph at a cruising altitude of 5.8 mi begins its descent. If the angle of descent is 4° from the horizontal, determine the new altitude after 15 min. Round to the nearest... more
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10/14/19

The function f(x)=x^2. The graph of g(x) is f(x) translated 3 units to the right and down 3 units what is the function rule for g(x)
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10/11/19

How do I solve this probability question?
Consider a four character password, where each character can be an upper or lower case letter ora digit. No character can be used more than once (no repeats).1) How many different passwords are... more
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10/11/19

Stats and Probability

The Sample Space of an event is the set of numbers S = {1,2,3,4,5,6}.L = {1,2,3,4} A = {3,4,5,6} B = {2,3,4,5} Find L ∩ AFind (L U A)'Find A ∩ B'Find L U AFind A' ∩ B' Find L U B
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10/10/19

Bernoulli trial
2 failures in 7 trials with q = 0.6
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10/09/19

encounter infected
The CDC estimates that a non-infected person has a  .10 chance of contracting mumps from an infected person from even a brief encounter. What is the probability that a non-infected person contracts... more
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09/10/19

What is f(x+h) of 4x^2+3x-7
F(x)=4x2+3x-7solve f(x+h)
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08/16/19

What would be the freezing point for a 5.7 molal aqueous sucrose (Cr12H22O11) solution?
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08/16/19

What is the net ionic equation for potassium sulfate is reacted with calcium bromide?
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08/15/19

The difference of twice a number and 7 is 9
I need to know this in an equation form
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08/14/19

What is the limiting reactant/reagent of the reaction between Hydrochloric Acid and Calcium Carbonate?
The amount of Calcium carbonate used in the reaction was 0.2g, and the amount of Hydrochloric Acid was 30ml. Therefore, I was wondering which of the reactants would be the limiting and which is the... more
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08/07/19

A car travels 500 miles east in 10 hours. What is the velocity of the car?
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07/12/19

Write the equation of the line that is perpendicular to the line 5y=x-5 through the point (-1,0)
A. Y=-5x-5B. Y=-5+5C. Y=1/5x-5D. Y=1/5x+5
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02/18/17

Vapor pressure
T/F: A sample of nitrogen gas collected at 24◦ C and 745 Torr has a vapor pressure of 745 Torr.
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06/18/16

evaluate lim x ->infinite 1.2+2.3+3.4+..+n(n+1)/n3
i couldnt get the answer cause i dont know the value of sigma n(n+1)
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06/17/16

need step by step help as i have final coming up and I have forgot lots and I cant find my notes.
1) Find exact value using sum or difference identities or double angle identities a) tan 105 b)cos 75   2) solve for x a)2sin2x-3sinx-2=0 ,    0≤x<2Ω b)cos2x = cotx sinx ,    0≤x<360°
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04/17/16

Explain the relationship between a parabola's x-intercepts and its vertex ?
 no additional
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