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If Jim Roller can paint a room in 3 hours while John Brush would take 5 hours, how long will they take if they work together? 1/8 hour
General
7 months ago
The line plot shows the number of hours students studied for a final exam. A number line with one x above .5, one x above 1.5, one x above 2, one x above 3, two xs above 3.5, two xs above 4, one x above 4.5, and one x above 8.5. How many students studied at least four hours for the final exam?
General
7 months ago
A university administrator expects that 25% of students in a core course will receive ana. he looks at the grades assigned to 60 students. the probability that the proportion of students that receive an a is 0.20 or less is ________.
General
7 months ago
find the value of N, P and M
General
7 months ago
Colleen Ellis bank granted her a single-payment loan of 5000 for 90 days at 9 percent ordinary interest. What is the maturity value of the loan
General
7 months ago
What is the slope of the line that passes through the pair of points? (-5.5, 6.1), (-2.5, 3.1) A. -1B. 0C. 1D. Undefined
General
7 months ago
To solve a system of inequalities, you just need to graph each inequality and see which points are in the overlap of the graphs. A. True B. False
General
7 months ago
Jess will plant up to 27 acres on her farm with wheat and corn. More than 5 acres will be planted with wheat.Let w represent the number of acres of wheat and c represent the number of acres of corn. Identify two inequalities that represent this situation. A. w > 5 B. w + c â‰¤ 27 C. w â€“ c â‰¤ 27 D. c < 5
General
7 months ago
The assembly time for a product is uniformly distributed between 6 to 10 minutes. the probability of assembling the product in 7 minutes or more is:
General
7 months ago
Nuno set up a series of dominoes. he starts by knocking over 10 dominoes. every second after that, the number of dominoes that are knocked over doubles. there are 2,560 dominoes in the chain. if the dominoes continue to fall at this rate, how long will it take until all of the dominoes fall over? choose the equation for the number of dominoes that fall over, d, in terms of the number of seconds since the chain reaction started, s, and the correct solution.
General
7 months ago
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 + 2x = 17
General
7 months ago
Find the inverse of the function, and then determine whether the inverse is a function. 1.) y = 3 sqrt x-5 2.) y = x squared + 4
General
7 months ago
Trent is fishing from a pier.The tip of his fishing rod is 53 3/4 feet above the surface of the water.The hook on the end of the fishing line is directly below the tip of the fishing rod 12 2/3 feet below the surface of the water. Trent estimates that the distance between the tip of his fishing rod and the hook is less than 65 feet. Is Trent's estimate reasonable? Explain your answer.
General
7 months ago
A mountain's peak is 880 m above sea level while the valley is 139 m below sea level. what is the elevation drop between the top of the mountain and the bottom of the valley?
General
7 months ago
Mario is constructing a frame for a 10 in .by 8 in. photo. He wants the frame to be the same width all the way around and the total area of the frame and photo to be 120 square inches. What is the dimension of the frame?
General
7 months ago
Which of the following are characteristics of the absolute value parent function
General
7 months ago
The given curve is rotated about the y-axis. find the area of the resulting surface. y = 1 3 x3/2, 5 ≤ x ≤ 12
General
7 months ago
Arc RQ is aminor arcmajor arcsemicircle
General
7 months ago
(1 pt) suppose f is a radial force field, s1 is a sphere of radius 7 centered at the origin, and the flux integral ∫∫s1f⋅ds=3. let s2 be a sphere of radius 63 centered at the origin, and consider the flux integral ∫∫s2f⋅ds. (a) if the magnitude of f is inversely proportional to the square of the distance from the origin,what is the value of ∫∫s2f⋅ds?
General
7 months ago
For a walk-a-thon a sponsor committed to give you a flat fee of $5 plus $2 for every mile you walk. If you walk for 20 miles, what is the total amount you will collect from your sponsor at the end of the walk-a-thon?
General
7 months ago
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