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MATH SOLVE
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The purpose of blocking in experimental design is: A. to give the quarterback enough time to throw the ball. B. to control for multiple variables in an experiment. C. to prevent response bias from entering into the experiment. D. to keep the subjects from knowing if they are in the treatment group. E. to keep the experimenter from knowing which subjects are in the treatment group.
General
2 months ago
I bought a box from the post office that has a volume of 24 cubic centimeters.
General
2 months ago
If the cost is a function depending in the number of sections, how much will 200 sections cost?A. 7,400B. 7,439C. 7,556D. 7,837
General
2 months ago
Suppose that circles A and B have a central angle measuring 40°. Additionally, circle A has a radius of 5 2 ft and the radius of circle B is 9 2 ft. If the measure of the sector for circle A is 25 36 π ft2, what is the measure of the sector for circle B?
General
2 months ago
Sarah has a bag of jolly ranchers. There are 15 grape, 20 blue raspberry, 10 watermelon, 8 cherry, and 7 green apple jolly ranchers in a bag.A) what is the probability that she will choose a grape jolly rancher?B) what is the probability that she will choose either watermelon or cherry?C) what is the probability that she will not choose green apple?Explain your reasoning.
General
2 months ago
The angle of elevation to the top of a tower from point a on the ground is 18.6 degrees . from a point b, 39.3 feet closer to the tower, the angle of elevation is 21.4 degrees . what is the height of the tower
General
2 months ago
Determine whether a tangent line is shown in this figure?a. nob. yes
General
2 months ago
Select all angles that are coterminal with an angle of rotation of 300 degreesA. -420 degrees B. 2100 degreesC. -900 degreesD. -π/3E. 23π/3F. -7π/3
General
2 months ago
A bicycle lock requires a two-digit code of numbers 1 through 9, and any digit may be used only once. Which expression would determine the probability that both digits are even?
General
2 months ago
Since at t=0, n(t)=n0, and at t=∞, n(t)=0, there must be some time between zero and infinity at which exactly half of the original number of nuclei remain. find an expression for this time, thalf.
General
2 months ago
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