Laura earned $24 and saved $6 of it. What percent did she save? Question solved general 2 months ago 2519

What is the slope-intercept form of the equation of a line that passes through (5, -4) and has a slope of 3/4? Question solved general 2 months ago 4221

Which of the following are considered income?(select all the apply)1. Allowance2. Credit card interest3. Wages4. Student loan interest Question solved general 2 months ago 5579

Together Mary, Jane, and Ruth received $30. Mary received $6, Jane received $9, and Ruth received $15. What percent of the $30 did Jane receive? Question solved general 2 months ago 3981

Apples cost $2.40 for 3 lb. At that rate, how many pounds of apples can you buy for $8.00? Question solved general 2 months ago 3157

The graph of y = –0.2x2 is _____ the graph of y = x2.A. narrow than and opens in the same direction B. wider than and opens in the same directionC. narrow than and opens in the opposite directionD. wider than and opens in the opposite direction______________________________the answer is D!!!! =) Question solved general 2 months ago 2614

Which of the following is a result of shifting a circle with equation (x + 3)2 + (y - 2)2 = 36 right 3 units? A.Both the x- and y-coordinates of the center of the circle increase by 3. B.The x-coordinate of the center of the circle increases by 3. C.The y-coordinate of the center of the circle decreases by 3. D.The y-coordinate of the center of the circle increases by 3. Question solved general 2 months ago 9270

The test scores of a geometry class are given below. 90, 75, 72, 88, 85 The teacher wants to find the variance for the class population. What is the value of the numerator of the calculation of the variance? Variance: mc003-1.jpg -160 -6 16 258 Question solved general 2 months ago 6435

determine the intercepts of the line that correspond to the following table of values. X. Y-35 18-28 14-21 10y- intercepts( , )x-intercepts( , ) Question solved general 2 months ago 2610

The work of a student to solve the equation 4(3x − 4) = 8 + 4x + 8 is shown below: Step 1. 4(3x − 4) = 8 + 4x + 8 Step 2. 7x − 8 = 16 + 4x Step 3. 7x − 4x = 16 + 8 Step 4. 3x = 24 Step 5. x = 8 In which step did the student first make an error and what is the correct step? A. Step 2, 12x − 16 = 16 + 4x B. Step 2, 12x − 8 = 2(4 + 2x + 4) C. Step 3, 7x − 4x = 16 − 8 D. Step 3, 7x + 4x = 16 + 8 Question solved general 2 months ago 1418

What is the perimeter of triangle ABC ?11 units14 units16 units20 units Question solved general 2 months ago 4657

A copper smelting process is supposed to reduce the arsenic content of the copper to less than 1000 ppm. let μ denote the mean arsenic content for copper treated by this process, and assume that the standard deviation of arsenic content is σ=100 ppm. the sample mean arsenic content xˉ of 75 copper specimens will be computed, and the null hypothesis h0:μ≥1000 will be tested against the alternate h1:μ<1000.a.a decision is made to reject h0 if xˉ≤980. find the level of this test. Question solved general 2 months ago 5083

if A(-2,1), B(1,5), C(4,4), D(1,0) are the vertices of a quadrilateral, do the points form a parallelogram? Justify your answer. Question solved general 2 months ago 1404

Virginia can complete her company’s monthly report in 5 hours less time then Carl. If they work together, the report will take them 6 hours to finish. How long would it take Virginia working alone? Question solved general 2 months ago 7383

What is the length of line segment FE?Enter your answer, as a decimal rounded to the nearest tenth. Question solved general 2 months ago 1674

Ermine whether or not the vector field is conservative. if it is conservative, find a function f such that f = ∇f. (if the vector field is not conservative, enter dne.) f(x, y, z) = 5y2z3 i + 10xyz3 j + 15xy2z2 k Question solved general 2 months ago 8900

The graph below shows a scatter plot and the line of best fit relating the ages of children and the total number of times they have visited the doctor.Use the line of best fit to estimate the age of a child who has visited the doctor 40 times.13 years old11 years old14 years old12 years old Question solved general 2 months ago 5158

In a survey, 200 people were polled about whether they preferred spending their free time playing sports, watching a movie, or reading a book. The relative frequency table below displays the results. Sports Movie ReadingMale 0.25 0.30 0.10Female 0.15 0.05 0.15Part A: How many males surveyed preferred playing sports? Show your work and explain your answer.Part B: How many people surveyed preferred to read a book? Show your work and explain your answer.Part C: How many females were surveyed? Show your work and explain your answer. Question solved general 2 months ago 1984

Keon and Lesha are comparing their daily calorie intake. Each day, Lesha chooses healthy 100-calories snacks such as apples and carrots while Keon chooses snacks like chips and candy that have 200 calories each. Question solved general 2 months ago 5529

Determine if b is a linear combination of the other vectors. if so, express b as a linear combination. (if b cannot be written as a linear combination of the other two vectors, enter dne in both answer blanks.) a1 = −2 5 , a2 = 7 −3 , b = 32 7 Question solved general 2 months ago 9907