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MATH SOLVE
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A point moves along a straight path. The function f ( t ) = log 2 ( t ) determines the distance (in meters) the point has traveled in terms of the number of seconds t since the point started moving. How far has the point traveled 21 seconds after it started moving? meters If the point has traveled 3.16993 meters, how many seconds have elapsed since it started moving? seconds Write a function f − 1 that determines the number of seconds that have elapsed since the particle started moving in terms of the distance (in meters) the particle has traveled, d . f − 1 ( d ) =
General
2 months ago
Please answer!! 20 points ASAP
General
2 months ago
In a box there are six envelopes each containing two cards. Three of the envelopes contain two red cards, two of them contain a red and a black card, and the last one contains two black cards. An envelope is selected at random and a card is withdrawn and found to be red. What is the chance the other card is black?
General
2 months ago
Can someone explain to me how to find the vertex form of this equation? y= -x^2 + 12x-4
General
2 months ago
Please help! 25 point question!!!Consider the following expression.The expression is evaluated below, but a mistake is made in the calculation somewhere. Identify the mistake and then evaluate the expression correctly. Complete the statements below.The mistake occurs in step __________ (1,2,3,4, or 5) because the student evaluated _________a. (-11.7 + 0.5)b. (27.4 - 32.2)c.(1 - (-1)) d. (2.2 + (-11.2))e.(-9 - (-4.8)) f. -4.2The correct solution is _________.a. -4.1b. -2.2c. -6.2d. -4.4e -2
General
2 months ago
In the 2014 - 2015 school year, the mean score on the critical reading of the SAT was 490 with a standard deviation of 102 for juniors. If Dennis scores a 694 on the SAT, what ishis percentile ranking?A. 13.5%B. 97.5%C. 95%D. 2.5%
General
2 months ago
16 is what percent of 4000
General
2 months ago
Can someone help me with the rest
General
2 months ago
Find the equation of the line with the slope - 2/9 and the y-intercept (0,2).The equation of the line is...
General
2 months ago
If Zach has 4 times as many dimes as quarters and they have a combined value of 455 cents, how many of each coins does he have?
General
2 months ago
A farmer packed 3 pints of strawberries every 4 minutes. In the afternoon she packed 2 pints of strawberries every 3 minutes. What was the difference between her morning and afternoon packing rates in pints per hour?
General
2 months ago
Kevin is addressing 150 envelopes. During the past 15 minutes, he has addressed 30 envelopes. If he continues at this rate, how many more minutes will it take him to finish addressing the envelopes?A 240B 120C 75D 60
General
2 months ago
What is the value of x, given that AE || BD
General
2 months ago
A restaurant sold 350 less hotdogs than hamburgers. Altogether the restaurant sold 700 hotdogs and hamburgers. How many of each did they sell?
General
2 months ago
A student wants to write an expression for, "all of the elements which are in set A orB". Which expression below matches the statement?A. (A’ u B’)B. P(A n B)C. ( A n B)D. (A u B)
General
2 months ago
A vendor has 30 umbrellas to sell. He sells them for $20 each. The function m(u) = 20u models the total amount of money the vendor makes from selling u umbrellas. What are the practical domain and range of the function?
General
2 months ago
A hemispherical depression is cut out from one face of a cuboidal wooden block of edge 21cm such that the diameter of the hemisphere is equal to the edge of the cube. Determine the total surface area of the remaining block
General
2 months ago
Given that the measure of angle 6 is 1/8 of measure of angle 4. Find the measures of these two angles if a∥b.
General
2 months ago
Find the vertices and foci of the hyperbola with equation quantity x plus 4 squared divided by 9 minus the quantity of y plus 3 squared divided by 16 = 1.
General
2 months ago
Please answer with evidence!!!!! Without multiplying, determine the sign of the product (356,864)(−194,758). (5 points)Group of answer choicesThe sign of the product is positive because a positive multiplied by a negative is a positive.The sign of the product is negative because a positive multiplied by a negative is a negative.The sign of the product is negative because the second number is negative.The sign of the product is positive because the first number is positive.
General
2 months ago
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