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MATH SOLVE
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The equation y=−0.0088x2+0.79x+15 models the speed x (in miles per hour) and average gas mileage y (in miles per gallon) for a vehicle. What is the best approximate for the average gas mileage at a speed of 60 miles per hour?
General
2 months ago
Three friends decide that they each want to be able to buy a new boat in five years. Vanore puts $1,000 in a savings account with a simple interest rate of 4.5%. Keir invests $1,200 in a standard savers account with a simple interest rate of 4%. Omar invests $950 in a junior achievers account with a 6% annual compound interest rate. Who will have the most money to spend on a new boat at the end of the five years? Use the formula mc019-1.jpg for simple interest and mc019-2.jpg for compound interest. Round to the nearest dollar.
General
2 months ago
Find the remainder when (x3 – 2) is divided by (x – 1). What is the remainder? –x2 – 2 x2 – 2 –2 –1
General
2 months ago
Write the fraction 8/9 as a percent. Round to the nearest hundredth of a percent where necessary. 0.8889 0.0113 0.4444 0.6667 2.Write the decimal 0.041 as a percent 0.41 0.041 4.1 0.0041 3.A survey at your school found that 792 in 1,220 students have a cell phone. what percent of the students in have a cell phone? round to the nearest hundredth where necessary 0.0649 0.5404 64.92%*** 0.792 4.Write the percent 23.44% as a decimal 2344 234.4 2.344 0.2344*** 5.Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute. a$29.00 b$21.00 c$5.00 $4.15*** 6.Use a proportion to solve the problem 31% of 70 x/100 = 31/70; 43.66 x/71 = 31/100; 22.01 x/31 = 71/100; 0.22 71/x = 31/100; 229.03 ^^ I don't understand this one :// especially since 31% of 70 is 21.7 7.39 is what percent of 156? x/100 = 39/156; 25% x/100
General
2 months ago
The equation of line ab is y = 5x + 1. write an equation of a line parallel to line ab in slope-intercept form that contains point (4, 5). y = 5x − 15 y = 5x + 15 y = x + y = x −
General
2 months ago
The least common multiple of two numbers is 3780, and the greatest common divisor is 18. given that one of the numbers is 180, what is the other number?
General
2 months ago
Consider reflections of δjkl. what line of reflection maps point k to point k' at (–5, 2)? what line of reflection maps point l to point l' at (–2, 3)?
General
2 months ago
Roger had a farm with a certain number of orange trees. he had to cut down 5 trees to control the insects. each of the remaining trees produced 210 oranges, producing a total harvest of 41,790 oranges. how many trees did roger's farm have initially?
General
2 months ago
What is one half of one fifth of one tenth of two thirds of one half of 1500?
General
2 months ago
(04.04) Describe the graph of the function f(x) = x3 − 18x2 + 101x − 180. Include the y-intercept, x-intercepts, and the shape of the graph.
General
2 months ago
The property allows 3i+2i to be written as 3+2i.
Algebra
2 months ago
x-y Evaluate 2 1/2 - 3/4 / 1/18
Algebra
2 months ago
Write -9 1/8 as a decimal number.
Algebra
2 months ago
Only for Genius?? 5-5 * 3+2= ??
Algebra
2 months ago
ARE YOU G E N I U S ? ? 2-2 * 9+9= ??
Algebra
2 months ago
What is the next number in the series? 10,9,6,1,...
Algebra
2 months ago
What is the next number in the series? 5,1,-2,-4,...
Algebra
2 months ago
Only for Genius?? 2-2 * 5+7= ??
Algebra
2 months ago
Use a single digit times a power of 10 to estimate the number 0.000007328. Rounded to the nearest millionth, the number is about .000007 . Written as the product of a single digit and a power of ten, this number is square * 10square Type whole numbers..
Algebra
2 months ago
Find the quotient. 560 / 10,000=
Algebra
2 months ago
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