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A scuba diver uses negative numbers to represent her depths below sea level. She was at a depth of -1.5 meters. A few minutes later she continued another -4.2 meters to the ocean floor below. What was her final depth? What happens when we need to combine two depths? Write your expression, show your work, and label your answer.
General
2 months ago
Determine the values of x, if any, at which the function is discontinuous. At each number where f is discontinuous, state the condition(s) for continuity that are violated. (Select all that apply.)f(x) = |x − 1|The function f is discontinuous at x = 1 because f is not defined at x = 1.The function f is discontinuous at x = 1 because lim x → 1 f(x) does not exist.The function f is discontinuous at x = 1 because lim x → 1 f(x) exists, but this limit is not equal to f(1).The function f is continuous everywhere because the three conditions for continuity are satisfied for all values of x.
General
2 months ago
Police use a radar unit is used to measure speeds of cars on a freeway. The speeds are normally distributed with a mean of 90 km/hr and a standard deviation of 10 km/hr. (a) What is the probability that a car picked at random is traveling at more than 100 km/hr? (b) Since normal distributions technically have a domain of (−[infinity],[infinity]), this distribution allows the speed of a car to be negative. But does it really!? Determine (or try to) the probability that the speed of a car is negative and decide for yourself if this is at all possible.
General
2 months ago
A boy has a lemonade stand with a cash box that has 22 coins in it. If the coins are made up of nickles andhalf dollars and have a value of $5.15, how many of each coins does he have in the cash box?He hasnickles andhalf dollars.Submit Question
General
2 months ago
Write a system of equations modeling the given conditions. Then solve the system by the substitution method and find the two numbers.The sum of two numbers is 75. One number is 23 more than the other. Find the numbers.
General
2 months ago
Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes.
General
2 months ago
Zahara mixed 5 quarts of dry ingredients and 2 quarts of water to make aconcrete. She ran out of the mixture before finishing her project, so she madbatch using 10 quarts of dry ingredients.*) How many quarts of water does Zahara need to add to keep theconsistency the same? Complete the ratio square.Batch 1Batch 2basingenvon oDry Ingredients (at)510
General
2 months ago
0.33333333333333333333333333333333333333333333333 simplified at a fraction
General
2 months ago
How to multiply 2 1 /2 multiply 1/10
General
2 months ago
A car agency rents cars for $26.20 per day plus $0.22 per mile driven. If your travel budget is $200, what is the maximum number of miles you can drive during a one-day rental?
General
2 months ago
Layla and Aidan are selling cases of drinks for a fund raiser. Customers can by either fruit punch or lemonade. Aidan sold 6 cases of fruit punch and 4 cases of lemonade for a total of $80. Layla sold 6 cases of fruit punch and 5 cases of lemonade for $94. How much is a case of lemonade and how much is a case of fruit punch
General
2 months ago
The equation of line m is 3x-5y=-4. What is the slope of a line that is perpendicular to line m. Enter your awnser in the box Needed for test!
General
2 months ago
7. An intersection starts getting traffic at8:00 AM, and then closes for constructionfrom 1:00 PM to 2:30 PM. While theintersection is open, cars pass throughat a rate of 32 cars each hour. Howmany cars pass through the intersectionbetween 8:00 AM and 5:00 PM?©©288 cars240 cars320 cars128 cars
General
2 months ago
∆ABC with Prove: Statement Reason 1. given 2. ∠CAB ≅ ∠EDB ∠ACB ≅ ∠DEB If two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆ABC ~ ∆DBE AA criterion for similarity 4. Corresponding sides of similar triangles are proportional. 5. AB = AD + DB CB = CE + EB segment addition 6. Substitution Property of Equality 7. division 8. Subtraction Property of Equality What is the missing statement in the proof? Scroll down to see the entire proof. A. B. C. D.
General
2 months ago
Tara owes $14,375 in credit card debt. The interest accrues at a rate of 5.3%. She is also borrowing $570 each month for rent from her parents. She does not pay interest on the money she borrows from her parents. a. Let f(t) represent the amount of money Tara owes in credit card debt, where t is the number of years after interest begins to accrue. Let g(t) represent the amount of money Tara owes to her parents, where t represents the number of years passed. Write a function (f + g)(t) to represent the total money that Tara owes. b. How much will Tara have to repay if she continues this way without any repayment for 2 years? (SHOW WORK)
General
2 months ago
"At quantities below the minimum-cost output," marginal cost is less than average total cost and average total cost is falling. marginal cost is greater than average total cost and average total cost is rising. marginal cost is greater than average total cost and average total cost is falling. marginal cost is equal to average total cost.
General
2 months ago
Write an equation in slope intercept form that passes through -2, 3 and Is parallel to the line with equation 3X +2y=6
General
2 months ago
A car travels 1/6 of the distance between two cities in 3/5 of an hour . At this rate , what fraction of the distance between the two cities can the car travel in 1 hour
General
2 months ago
What is the equation of a line that is parallel to -x+3y=6 and passes through the point (3,5)?Enter your awnser in the box.For a test!!
General
2 months ago
Is 12/50 Grader than 4/5
General
2 months ago
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