What is the equation of a parabola with a focus (-2,4) and directrix y = 0? Question solved general 5 months ago 5100
A varies jointly as b and c. Find when b = 7 and c = 9, if the constant is the variation is 3. A) 189B) 7/3C) 21 Question solved general 5 months ago 8984
The function f(x)=2^x and g(x)=f(x)+k.If k=-5,what can be concluded about the graph of g(x)? the graph of g(x) is shifted horizontally a.5 units to the left of the graph of f(x)b. 5 units to the right of the graph of f(x)c.the graph is not shifted horizontally from the graph of f(x) Question solved general 5 months ago 3441
The coordinate grid shows the plot of four equations. A coordinate plane is shown with four lines graphed. Line A crosses the x axis at negative 3.2 and has a slope of 4. Line B crosses the x axis at 3 and the y axis at 6. Line C crosses the x axis at 1.5 and the y axis at negative 6. Line D crosses the x axis at negative 3 and the y axis at 3. Which set of equations has (2, 2) as its solution? A and D B and D A and C B and C Question solved general 5 months ago 7184
There are a total of 500 students in grades 1 through 5 in an elementary school. 17% of the total number of students are in 1st grade. 19% of the total number of students are in 4th grade. The number of 3rd-grade students is 9 less than the number of 4th-grade students. The number of 2nd-grade student is 10 less than the number of 5th-grade students. How many students are in each grade. Question solved general 5 months ago 6167
The volume of a cube is 64 cubic inches. Which expression represents s, the length of a side of the cube? Question solved general 5 months ago 5585
A lunch counter sells two types of sandwiches, roast beef and chicken salad. The profit on the sandwiches is $2 for chicken salad and $3 for roast beef. The amount of bread available is enough for 30 sandwiches. There are 2 hours available to prepare sandwiches. If chicken salad sandwiches take 3 minutes to prepare and roast beef sandwiches take 5 minutes, how many of each type of sandwich should be prepared to maximize the profit? Assume all sandwiches get sold Question solved general 5 months ago 8758
The table shows the calories burned during exercise. (picture of the table attached)Which statement is true?A)The y-intercept of the function is (15, 75).B)The rate of change is 15 calories burned per minute.C)A linear function to model the calories burned, y, as a function of time in minutes, x, is y = 5x.D)An exponential function to model the calories burned, y, as a function of time in minutes, x, is y = 5x. Question solved general 5 months ago 5974
The area of a duck enclosure is 300 square feet, with 100 square feet occupied by a pond. Each duck in the enclosure needs more than 20 square feet of space on dry land. If x ducks can be put in the enclosure, which is the simplest inequality that represents this situation?x < 6x < 10x < 15x < 20 Question solved general 5 months ago 3138
Two acute angles can be which of the following?I. congruentII. adjacentIII. complementaryIV. supplementaryA. I and IIB. I and IIIC. I, II, IIID. I, II, and IV Question solved general 5 months ago 9326
Kenji invests $3,500 at an interest rate of 3%, compounded monthly. How much is the investment worth at the end of 5 years? Question solved general 5 months ago 2834
Two hikers set out on a trail that is 4 miles long. One is walking at a rate of 3.3 mph and the other is jogging at a rate of 5.5 mph. Once a hiker reaches the end of the trail, he immediately turns around and starts jogging back at the same rate. What distance away from the start of the trail will the two hikers meet each other? Question solved general 5 months ago 1395
Line RS is tangent to circle Q at point R.What is the measure of ∠SQR ?Enter your answer in the box. Question solved general 5 months ago 2234
Are these two answers correct? Please help, thanks! Julia wants to simplify the term in a trigonometric identity that she is proving. Which of the following identities should she use to help her? Select all that apply. Question solved general 5 months ago 5565
The exponential function represented by the table can be written in the form y=ab^x. Find the values for a and b. Question solved general 5 months ago 9557
On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The number b varies directly with the number a. For example b = 2 3/4when a = –2 3/4. Which equation represents this direct variation between a and b? Question solved general 5 months ago 5381
please help i will be the happiest person alive 100 points and branliest Question solved general 5 months ago 4065