02/20/19

Which of these is a biotic factor of an ecosystem. (I put more in the Description box)
A:The temperature of water in the stream. B:The amount of water vapor present in a rain forest. C:the bacteria that live in the intestine of a rabbit. D:The rocks that provide cover for a... more
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02/13/19

a systematic equation?
A dietitian works in a hospital and prepares meals under the guidance of a physician. For a particular patient the physician prescribes a meal to have 550 calories, 40 grams of protein and 320... more
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02/07/19

Norm's electric bill for December 2013 was $149.32.

Norm's electric bill for December 2013 was $149.32. In 2014 the electric bill was $194.31. Next year Norm expects the bill to be the 2013 amount plus $25.00 more than the difference between 2013... more
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10/10/18

word problem equations and inequalities
Volume of a TroughWater is running into a trapezoidal trough. The volume V, in cubic feet of water in the trough is given by V=32d^2+32d, where d is the depth in feet of the water in the trough.... more
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10/09/18

Doctors use radioactive iodine as a tracer in diagnosing certain gland disorders. The half-life of iodine is 8 days and 6 gram of iodine is administered to a patient.

(a) Find the decay rate of the iodine. (b) How much of the iodine remains in the patient’s body after 20 days? (c) How long will it take before there are 2 gram of iodine left in the patient’s body?
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09/10/18

Which species of plant will remove the most salt from the soil (smooth cordgrass, dwarf glassewort or barley cordgrass)
Which species of plant will remove the most salt from the soil (smooth cordgrass, dwarf glassewort or barley cordgrass)?   Develop a hypothesis. determine the independent variable of your study.... more
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09/10/18

reasons phage therapy was not developed in the US after 1930 as a treatment for bacterial infections?
reasons phage therapy was not developed in the US after 1930 as a treatment for bacterial infections?
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09/09/18

A group of 50 teachers and school administrators attended a convention
A group of 50 teachers and school administrators attended a convention. If any two persons had been picked at random, at least one of the two would be a teacher. From this information, what... more
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09/06/18

If LN =54 and LM= 31 find MN
Segment Addition Postulate 
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04/04/18

PLEASE TRY AND DESIGN THIS EXPERIMENT INDICATE YOUR EXPERIMENTAL GROUP, CONTROL GROUP, INDEPENDENT VARIABLE, DEPENDENT VARIABLE AND CONTROL VARIABLES
PLEASE TRY AND DESIGN THIS EXPERIMENTINDICATE YOUR EXPERIMENTAL GROUP, CONTROLGROUP, INDEPENDENT VARIABLE, DEPENDENTVARIABLE AND CONTROL VARIABLES1. Spending time with a cat or dog decreases... more
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02/16/18

In a relay, a runner catches a baton at a running speed of 2 m/s and accelerates to 1.5 m/s2 thereafter. What distance does he cover after 3 s?
 acceleration motion question
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11/05/17

Determine when the cotton used to make the paper died
An antique dealer in New York claims to have a piece of scratch paper used by Columbus during his voyage to America in 1492. The paper is made out of cotton fivers If the cotton that was used died... more
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08/23/17

What is graduated cylinder used for and what are test tube used for, and what are spot plate used fir
Biology need to know 
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03/30/17

what r the remaining five trig values?
If the csc(theta)= -(10/8) and theta is in quad 2, what r the remaining five trig values?
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03/04/17

Use the data set from today: 1 1 1 1 1 1 2 3 5 8 13 21 34 55 89 89 89 89 89 89. What is the 60th percentile?
 (That's 20 values, in order.) 
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02/13/17

Ancient egyptian math
(a) Show that z/pq = 1/pr + 1/qr, where r = (p+q)/z. This method for finding possible decompositions of a fraction into 2 unit fractions.(b) Take z = 2, p = 1, q = 7, and obtain the unit fraction... more
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11/20/16

When a counselor asks a client to comply with a minor request and then later follows the initial request with one that is larger, it is an example of
When a counselor asks a client to comply with a minor request and then later follows the initial request with one that is larger, it is an example of __________. challenge the foot in the door... more
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03/30/15

Compute the following conditional probabilities
but assume that Pr[E] = 0.3, Pr[F] = 0.35, and Pr[E′∩ F] = 0.15. Compute the following conditional probabilities: (1) Pr[E | F] = (2) Pr[F | E] =
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03/10/15

Expected Value in Games
Imagine you are doing research for a term paper in your English class and you have chosen the topic to be “The Benefits and Costs of My State's Lottery”. You find the following information for your... more
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