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I need help Please! Sally has 13 coins in her pocket. Nine of the coins are nickels, and therest of the coins are dimes. How many of the coins are dimes?a.Identify what is being asked.b.Strategize (What variable will you use to represent the unknown?)c.Set up (Write an equation)d.Solve (Find the solution)e.Check(Does your answer make sense?)Don't answer if you aren't going to answer all the questions!
General
2 months ago
Solve the following system of–2x+5)=21-7x-2y=15
General
2 months ago
Item 11What is the justification for each step in the solution of the equation?54+2x=5x−3(2+6x) Select from the drop-down menus to correctly justify each step.
General
2 months ago
You are competing in a race. The table shows the times from last year's race. You want your time to be last year's median time with an absolute deviation of at most 6 minutes. Complete the inequality to represent the time (in minutes) you hope to achieve.Race times (minutes)26 35 27 3233 42 48 2836 40 38 32
General
2 months ago
Write the equation, in general form, of the line that passes through the given points.y - x + 1 = 0x - y + 1 = 0-x - y + 1 = 0x + y + 1 = 0
General
2 months ago
As indicated below, write the equations of the line passing through the point (2, 4) and parallel to the line whose equation is y = x. Complete your work in the space provided or upload a file that can display math symbols if your work requires it.Part 1: Point-Slope form of the linear equationPart 2: Slope-intercept form of the linear equationPart 3: The general form of the linear equation
General
2 months ago
1. Find the geometric mean of 4 and 10.A. 20B. 7C. √14D. 2√102. Find the geometric mean of 3 and 48.A. 12B. 25.5C. √51D. 22.53. Find the geometric mean of 5 and 125.A. 65B. 25C. 2√30D. √1304. Suppose the altitude to the hypotenuse of a right triangle bisects the hypotenuse. How does the length of the altitude compare with the lengths of the segments of the hypotenuse?A. The length of the altitude is equal to twice the length of one of the segments of the hypotenuse.B. The length of the altitude is equal to half the length of one of the segments of the hypotenuse.C. The length of the altitude is equal to the length of one of the segments of the hypotenuse.D. The length of the altitude is equal to the sum of the lengths of the segments of the hypotenuse.5. What is the geometric mean of a and b? (There's no picture or any caption, just the question)A. a + b -------- 2B. a - b --------- 2C. √a + bD. √ab
General
2 months ago
5. Two more than One-fourth of a number is six, what is the number.
General
2 months ago
The environmental science club is printing T-shirts for it's 15 members. The printing company charges a certain amount for each shirt plus a setup fee of $20. If the T-shirt order costs a total of $162.50, how much does the company charge for each shirt?
General
2 months ago
OMG HELP A GIRL OUT !!HELP ME PLEASE I NEED A 70%1. Translate and solve: What number is 408% of 568? Round to the nearest hundredth.2.In 10 years, the population of Detroit fell from 950,000 to about 712,500. Find the total percent decrease.3.A cash box of $1 and $5 bills is worth $45. The number of $1 bills is three more than the number of $5 bills. How many of each bill does it contain?4.Marquese is making 10 pounds of trail mix from raisins and nuts. Raisins cost $3.45 per pound, and nuts cost $7.95 per pound. How many pounds of raisins and how many pounds of nuts should Marquese use for the trail mix to cost him $6.96 per pound?
General
2 months ago
Raisins sell fro $4.50/lb and bran flakes sell for $2.80/lb. How many pounds of raisins must be mixed with 12 pounds of bran flakes to get a mixture that sells for $3.14/lb ?
General
2 months ago
1. How can this model be used to determine 2.3−0.26 ?Enter your answers in the boxes (picture included)The model shows a total of 2 wholes and 3 tenths. After regrouping 1 tenth into 10 hundredths, there are 2 wholes, ____ tenths, and ____ hundredths. After crossing out 2 tenths and 6 hundredths, there are 2 wholes, ____ tenths, and ___ hundredths remaining. Therefore, the difference of 2.3 and 0.26 is ____2. Yasmine estimated the difference of 87.71 and 5.8 by rounding each number to the nearest whole.What was Yasmine's estimate, and what is the actual difference of the numbers?Enter your answers in the boxes.Yasmine estimated the difference to be ___. The actual difference is __..
General
2 months ago
Solve the compound inequality-1<4m+7<11
General
2 months ago
–4(x – 26) = –200Solve for x
General
2 months ago
While at basketball practice, Louisa records the number of attempts, a, it takes her to make b baskets. Her data isrecorded in the table.810122Select the average number of attempts per basket it takes Louisa to make each of her first 4 baskets, Round to thenearest tenth of an attempt per basket.2.3 attempts per basket2.4 attempts per basket© 2.5 attempts per basket2.6 attempts per basket
General
2 months ago
Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 200 and 18
General
2 months ago
Professors of accountancy are in high demand at American universities. A random sample of 28 new accounting professors found the average salary was $135 thousand with a standard deviation of $16 thousand. Assume the distribution is normally distributed. Construct a 90% confidence interval for the salary of new accounting professors. Answers are in thousands of dollars. A. [129.8497, 140.1503]B. [130.0260, 139.9740] C. [107.7520, 162.2480] D. [131.0268, 138.9732]
General
2 months ago
AB is dilated by a scale factor of 3 to form A'B'. Pointwhich lies on AB is the center of dilation.The slope of AB is 3. The slope of A' B' is. A'B'through point oResetNext
General
2 months ago
AA, BBB, and CCC are collinear, and BBB is between AAA and CCC. The ratio of ABABA, B to BCBCB, C is 1:21:21, colon, 2. If AAA is at (7,-1)(7,−1)left parenthesis, 7, comma, minus, 1, right parenthesis and BBB is at (2,1)(2,1)left parenthesis, 2, comma, 1, right parenthesis, what are the coordinates of point CCC?
General
2 months ago
Translate the phrase into an algebraic expressionThe sum of x and 7
General
2 months ago
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