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A diesel train traveled to the repair yards andback. It took two hours longer to go there thanit did to come back. The average speed on thetrip there was 70 km/h. The average speed onthe way back was 80 km/h. How many hoursdid the trip there take?A) 15 hoursC) 25 hoursB) 16 hoursD) 10 hours
General
2 months ago
Adalyn drove 12 miles from her home to her school and then drove back. Graph A shows her distance from home during the trip. Graph B will show her distance from the school during the trip. Complete each statement about Graph B.
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2 months ago
Nina made two investments: Investment \text{A}A has a value of \$50$50 at the end of the first year and increases by 8\%8% per year. Investment \text{B}B has a value of \$60$60 at the end of the first year and increases by \$3$3 per year. Nina checks the value of her investments once a year, at the end of the year. What is the first year in which Nina sees that investment \text{A}A's value exceeded investment text{B}B's value?
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2 months ago
Suppose that A and B are events with probabilities P(A) = 3/4 and P(B) = 1/3. (a) (8 points) What is the largest P(A ∩ B) can be? What is the smallest it can be? Give examples to show that both extremes for P(A ∩ B) are possible. (b) (8 points) What is the largest P(A ∪ B) can be? What is the smallest it can be? Give examples to show that both extremes for P(A ∪ B) are possible
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2 months ago
Quick geometry question please help ASAP!!!For #3
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2 months ago
A 180-watt iHome® is used on an average of three hours a day. Find the cost of listening to the iHome for one week at a cost of $0.13 per kilowatt-hour.A. $0.49B. $11.34C. $491.40D. $0.07
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2 months ago
There are 18 skaters competing in the competition. How many ways can they win the gold, silver, and bronze medal?
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2 months ago
A diver starts at the surface of the water and travels 8 feet to the bottom.Graph A shows her distance from the bottom during the journey.Graph B will show her distance from the surface during the journey.Complete each statement about Graph B.
General
2 months ago
Diego's family car holds 14 gallons of fuel. Each day the car uses 0.6 gallons of fuel. A warning light comes on when the remaining fuel is 1.5 gallons or less. Write an inequality that represents the number of days Diego's father can drive the car without the warning light coming on. Explain each part of your inequality
General
2 months ago
What is this half circles radius and how do you find it?
General
2 months ago
Translate these statements into English, where R(x) is "x is a rabbit "and H(x) is "x hops" and the domain consists of all animals. a) ∀x(R(x) → H(x)) b) ∀x(R(x) ∧ H(x)) c) ∃x(R(x) → H(x)) d) ∃x(R(x) ∧ H(x))
General
2 months ago
Consider a metal bar of initial length L and cross-sectional area A. The Young's modulus of the material of the bar is Y. Find the "spring constant" k of such a bar for low values of tensile strain. Express your answer in terms of Y, L, and A.
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2 months ago
MallieDate8. Travel Times Journal found that the average per person cost of aound that the average per person cost of a 10-day trip along the PacificCoast, per person, is $1,015. This includes transportation, food, lodging, and entertainment.a. If the data is normally distributed with standard deviation $198, findard deviation $198, find the percent ofVacationers who spent less than $1.200 per day. Round to the nearest hundredth of apercent.
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2 months ago
Select all statements that are true for density curves.The curve is on or above the horizontal axis.The total area under the curve is 1The curve is symmetric and single peakedThe proportion of data values between two numbers and is the area under the curve between a and b.The curve satisfies the 68.95.99.7% rule.
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2 months ago
Hurry plz Im being timed!The graph of a relation is shown. A coordinate plane with a straight line. The line starts in the lower-left quadrant and continues up through the uppercase right quadrant. The line passes through the y-axis slightly below the origin and then passes through the x-axis slightly to the right of the origin. Which of these values could be the slope of the line? Select two options. -2-8/507/43
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2 months ago
On an island where knaves never tell the truth and knights always tell the truth, you meet 3 of the island's inhabitants: Fred, George, and Quincy. You ask Fred, "Are you a knave?" Fred says the answer to the other natives, but you can't hear him. George turns to you and says that Fred denied being a knave. Quincy says Fred is a knave. How many of the three are knaves?
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2 months ago
A new security system needs to be evaluated in the airport. The probability of a person being a security hazard is 0.02. At the checkpoint, the security system denied a person without security problems 1.5% of the time. Also the security system passed a person with security problems 1% of the time. What is the probability that a random person does not pass through the system and is without any security problems? Report answer to 3 decimal places.
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2 months ago
You are going to make three shelves for your father and have one piece of lumber 14 feet long. Your plan is to make the top shelf a foot shorter than then middle shelf and to have the bottom shelf a foot shorter then twice the length of the top shelf. How long is each shelf?
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2 months ago
NEED DONE ASAP PLEASE HELP NOBODY WANTS TO HELP ME!!!!!!!------------------------------------------------------------------------------------------------------------------------------Conner and Jana are multiplying (3568)(39610).Conner's Work Jana's Work(3568)(39610) = 35 + 968 + 10 = 314618 (3568)(39610) = 35⋅968⋅10 = 345680Is either of them correct? Explain your reasoning. EXPLAIN DONT JUST SAY THE DANG ANSWER THANK YOU
General
2 months ago
In 2017, Moreno Cheeses had a net income of $42,390, paid preferred dividends of $6,000 and 18,000 shares of common stock outstanding. What was their earnings per share for 2017?a) $1.69 b) $2.69 c) $2.02 d) $2.36
General
2 months ago
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