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MATH SOLVE
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What is the solution to the above system of equations? 2x+5y=-4 4x-5y=22 A. (3,-2)B. (13/3, -24/3)C. (-2,3)D. (3,2/5)
General
2 months ago
Find the height of a square pyramid that has a volume of 25 3/5 meters and a base with 4 meter sides
General
2 months ago
a direct variation includes the points (4,20) and (1,n). find n
General
2 months ago
The 200 students in a school band will attend awards dinner. A random survey of 25 of these students was conducted to determine how many of each meal should be prepared for the dinner. The results of the survey are shown.• 12 students want a beef meal• 8 students want a chicken meal• 5 students want a pasta mealBased on the survey results, which of these is the best prediction of the meals wanted by the 200 students?A] there are 16 students who want a beef mealB] there are 52 students who want either chicken meal or pasta mealC] there are 32 more students who want a beef meal more than want a chicken meal D] there are 24 more students who want a pasta meal than want a chicken mealPLEASE HELP!!! AND SHOW WORK!!!
General
2 months ago
A triangular poster has a base of 2 1/2 feet and a height of 1 3/4 feet what is the area of the poster
General
2 months ago
The graph of an equation representing a direct variation passes through the point (6, 10). Give another point with integral coordinates that is also on the graph of this equation.
General
2 months ago
Which is the correct cofunction identity for cos thetaA. csc(90° - theta)B. sec(90° - theta)C. sin(90° - theta)D. cos(90° - theta)E. tan(90° - theta)
General
2 months ago
the circle below is the graph of which of the following equations
General
2 months ago
Which equation represents an inverse variation with a constant of 56? A: y/x = 56 B: 1/4y = 14x C: 7/y = 8/x D: xy/2 = 28
General
2 months ago
Match the description to the best example so that all terms have a matching example.
General
2 months ago
he given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is formed, then use the Law of Sines to solve the triangle, if it is possible, or state that the Law of Sines cannot be used. C = 38°, a = 19, c = 10
General
2 months ago
In a given week, it is estimated that the probability of at least one student becoming sick is 17/23. Students become sick independently from one week to the next. Find the probability that there are at least 3 weeks of no sick students before the 2nd week of at least one sick student.
General
2 months ago
ABCD is a parallelogram with diagonal AC. If the measure of angle CAB is 21° and the measure of angle ADC is 125°, what is the measure of angle DAC?
General
2 months ago
If u(x)=-2x^2+3 and (x)=1/x, what is the range of (u°v)(x)
General
2 months ago
In parallelogram EFGH, the measure of angle F is (3x − 10)° and the measure of angle G is (5x + 22)°. What is the measure of angle G?
General
2 months ago
A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Construct 95% confidence interval for the mean of the "before−after" differences. Does hypnotism appear to be effective in reducing pain?Before 6.4 2.6 7.7 10.5 11.7 5.8 4.3 2.8After 6.7 2.4 7.4 8.1 8.6 6.4 3.9 2.7
General
2 months ago
Complete the table for the given rule y=x/4
General
2 months ago
Please help me!The angle of elevation of the top of a tower to a point on the ground is 61°. At a point 600 feet farther from the base, in line with the base and the first point and in the same plane, the angle of elevation is 32°. Find the height of the tower.
General
2 months ago
A bull’s-eye with a 4-inch diameter covers 20 percent of a circular target. What is the area, in square inches, of the target?
General
2 months ago
what are all the possible rectangles with whole-number sidelengths that have a perimeter of 10 units.
General
2 months ago
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