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Dario Canseco’s variable automobile costs for last year were: gasoline, $1,993.83; oil and filters, $230.90; and a new tire, $89.76. Insurance cost $1,201.20, registration was $120.25; and the loan interest totaled $389.06. Canseco drove about 12,560 miles. What was the cost per mile for Canseco to operate his vehicle last year?
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5 months ago
A drawer contains 8 white and 2 black socks. two socks are randomly selected from the drawer. what is the probability they are the same color?
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5 months ago
The advertising department of a nationally circulated magazine wishes to estimate the mean age of.its subscribers to within 0.5 year with 90% confidence. if they estimate that the standard deviation of the ages of their subscribers is 5 years, find the required sample size.a. 165b. 17c. 271d. 45 1 points first question previous question question 14 of 30 next question last question
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5 months ago
When proving the Pythagorean Theorem, we use the given diagram. The area of the large square is equal to the area all four triangles, plus the area of the inscribed square. Which mathematical sentence demonstrates this? A) a2 + b2 = 1 2 ab + c2 B) a2 + b2 = 4( 1 2 ab) + c2 C) a2 + 2ab + b2 = 1 2 ab + c2 D) a2 + 2ab + b2 = 4( 1 2 ab) + c2
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5 months ago
What is the value of y?3(Square Root)3 units6(Square Root)3 units9(Square Root)3units12(Square Root)3 units
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5 months ago
The data value x exists in two data sets: a andb. the mean is equal for both data sets. if the standard deviation for set a is greater than the standard deviation for set b, which is true for zx for set a? it is equal to zx for setb. it is less than zx for setb. it is greater than zx for setb.
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5 months ago
Which three criteria do binomial experiments meet? there are only two trials. the trials are independent. there are only two outcomes per trial. each outcome is repeatable. the probability of success is the same for each trial?
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5 months ago
Find two positive numbers whose product is 49 and whose sum is a minimum. (if both values are the same number, enter it into both blanks.) (smaller number) (larger number)
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5 months ago
The length of the longer leg of a right triangle is 6 cm more than twice the length of the shorter leg. The length of the hypotenuse is 9 cm more than twice the length of the shorter leg. Fond the side lengths of the triangle.
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5 months ago
Write the equation in spherical coordinates. (a) 4x2 − 3x + 4y2 + 4z2 = 0
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5 months ago
A car is traveling on a highway. The distance (in miles) from its destination and the time (in hours) is given by the equation d=420-65t. What is the slope of the line represented by the equation? What is the practical meaning of the slope? a. m=420; The total distance is 420 miles. b. m=65; The car is traveling 65 miles per hour. c. m=-65; The car is traveling 65 miles per hour. d. m=-420; The total distance is 355 miles.
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5 months ago
Rhianna is buying a car for $14,390. She has a $1000 trade-in allowance and will make a $1500 down payment. She will finance the rest with a 4-year auto loan at 2.6% APR.(a) How much money will she borrow in an auto loan?(b) What will her monthly auto payment be?(c) What is the total amount of interest she will pay?(d) What is her total payment for the car?(e) Rhianna is 22 years old. She buys 50/100/25 liability insurance, and collision and comprehensive insurance, each with $500 deductibles. What is her total annual premium?
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5 months ago
One student can paint a wall in 16 minutes. Another student can paint the same wall in 24 minutes. Working together, about how long will it take for them to paint the wall?
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5 months ago
SOMEONE GIVE ME A REAL ANSWER PLZZ 29 POINT MAYBE 50 Two one-step equationsTwo equations that contains fractionsOne equation with distributive propertyOne equation with decimalsOne real-world problem that is solved by an equation
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5 months ago
The solution to an inequality is given in interval notation as (2, ∞). What is another way to represent this solution set?
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5 months ago
The recursive rule for a geometric sequence is given. a1=2;an=13an−1
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5 months ago
10 POINTS PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!A group of 7th and 8th graders were asked if they like playing tennis. This two-way frequency table shows the proportion of students from each grades that like or do not like playing tennis. Like playing tennis Do not like playing tennis 7th Grade 0.42 0.58 8th Grade 0.47 0.53 Which conclusions can be made from the table? Select each correct answer. For both grades, more students like playing tennis than did not like playing tennis. Among the 7th graders, more students like playing tennis than do not like playing tennis. The 8th graders have a larger percentage of students that do not like playing tennis than do like playing tennis. Compared to the 8th graders, a smaller percentage of the 7th graders like playing tennis.
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5 months ago
Jason Jones earns $55,000.00 and is married. The tax rate is 3%. Calculate the tax. Federal exemption is $3300.00
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5 months ago
Select all that apply.Which of the following is true of an outlier?A.An outlier is a false data point.B.An outlier does not affect measures of central tendency.C.An outlier is not near the main cluster of data.D.An outlier is always the highest or lowest value in a data set.
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5 months ago
A baseball is thrown into the air from the top of a 224-foot tall building. The baseball's approximate height over time can be represented by the quadratic equation h(t) = -16t2 + 80t + 224, where t represents the time in seconds that the baseball has been in the air and h(t) represents the baseball's height in feet. When factored, this equation is h(t) = -16(t - 7)(t + 2).What is a reasonable time for it to take the baseball to land on the ground?-2 seconds-9 seconds-5 seconds-7 seconds
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5 months ago
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