Which is a correct way of evaluating the expression 25x + 40x for x = 4? Question solved general 11 months ago 3600
A video rental store charges $4 to rent a movie and $3 to rent a video game. During one summer, Tony paid a total of $140 to rent movies and video games from this store. If he rented 7 more video games than movies, how much did he spend on movie rentals during the summer? Question solved general 11 months ago 8120
A highway speed monitor is located on the side of the road that has a speed limit of 45 mph. The system records the speeds of passing vehicles. The data below shows the speeds of the first 9 cars that pass. 46 56 45 44 45 61 55 53 39 What is the standard deviation, to the nearest tenth, based on the posted speed limit, 45 mph? a0 The tenth car traveling on this road breaks down and is being pushed by its owners as it passes the speed monitor. A speed of 1.5 mph is recorded. The measure of central tendency most affected by this tenth speed is the a1 What is the new standard deviation, to the nearest tenth, after the tenth speed is recorded? a2 Question solved general 11 months ago 9263
which function defines the sequence -6, -10, -14, -18, where f(6)=-26 Question solved general 11 months ago 3840
What is the recursive rule for the sequence? −7.4, −21.2, −35, −48.8, −62.6 Question solved general 11 months ago 7555
Three workers can do a job in 28 hours. How many more workers are needed to do this job in 12 hours? Question solved general 11 months ago 7526
The area of a square is greater than the area of the circle by 12 cm². find the length of the side of a square if the area of the circle is 36 cm². Question solved general 11 months ago 5110
a speed of limit of 100 kilometers per hour is approximately equal to 62 miles per hour predict the following measures round your answers to the nearest whole number a. a speed limit in mph for a speed limit of 75 kph b. a speed limit in kph for a speed limit of 20 mph Question solved general 11 months ago 6455
The sum of $3,000 is deposited into an account paying 10% annually. If $1,206 is withdrawn at the end of years 1 and 2, how much then remains in the account?" Question solved general 11 months ago 7997
describe the graph of y=3/4x-12 as compared to the graph of y=1/x Question solved general 11 months ago 1172
The radius of a sphere is increasing at a rate of 5 mm/s. how fast is the volume increasing when the diameter is 60 mm? evaluate your answer numerically. (round the answer to the nearest whole number.) Question solved general 11 months ago 7828
Determine whether the given triangles are similar. Justify your answer. If they are similar write a similarity statement. How do you do this? Question solved general 11 months ago 1863
A candidate to the presidency wants to know what percentage of the registered voters in the country would vote for him. So, he gives that task to one of his aides and tells him he has 3 days to come up with the results. Describe a method the aide should use to complete the task in time and which provides meaningful data. Use size of the sample, population of interest, and method of selection to complete your answer. Question solved general 11 months ago 2000
a) Wilma used to make 10.50 per hour, but then she got an 8% raise. How much does Wilma make per hour now?1) $11.002) $11.143) $11.344) $11.54b) You went to the store and bought some DVDs. The cost of the DVDs was 45.80. The sales tax is 5%. How much is your total cost?1) $48.092) $48.193) $48.294) $48.39c) What is 2/3 of 30?1) 102) 153) 204) 25d) Arrange in order from least to greatest: 1/2, 3/4, 5/7, 13/141) 1/2 < 3/4 < 5/7 < 13/142) 1/2 < 5/7 < 3/4 < 13/143) 3/4 < 5/7 < 13/14 < 1/24) 13/14 < 1/2 < 3/4 < 5/7e) Which property is demonstrated by this equation? 3(1 + 2) = (1 + 2)31) Commutative property2) Associative property3) Distributive propertyf) Which property is demonstrated by this equation? 2 + 3 = 3 + 21) Commutative property2) Associative property3) Distributive propertyg) Which property is demonstrated by this equation? 3 • (1 • 2) = (3 • 1) • 21) Commutative property2) Associative property3) Distributive propertyplease answer fast Question solved general 11 months ago 3058
Subtract 1.05 from a certain number. Multiply the difference by 0.8, add 2.84 to the product then divide the sum by 0.01 and get 700. What is the number? Question solved general 11 months ago 1701
Rose bought some spinach. She used 3/5 of the spinach on a pan of spinach pie for a party and 3/4 of the remaining spinach for a pan for her family. She used the rest of the spinach to make a salad. What fraction of the spinach did she use ti make the salad?b. If Rose used 3 pounds of spinach to make the pan of spinach pie for the party , how many pounds of spinach did Rose use to make salad? Question solved general 11 months ago 4895
a school district requires all graduating seniors to take a mathematics test. This year, the rest scores were approximately normally distributed for the 1208 graduating seniors. This mean score on the test was a 74 and the standard deviation was 11. what percent of the graduating seniors had a test above 85? Express your answers to the nearest percent. Question solved general 11 months ago 8123
Determine whether each pair of angles is a pair of vertical angles, a linear pair of angles, or neither. Select the correct answer for each lettered part. Question solved general 11 months ago 8920
Hays builds model sailboats as a hobby. The dimensions of the sailboats are given. What is the height, x, of the smaller sailboat's sail? Enter your answer, as a decimal, in the box. x = in. Two sailboats with sails that are right triangles. The top angle on the sails are marked congruent to each other. The smaller sail has a height of x and a base of 7 inches. The larger sail has a height of 12 inches and a base of 8 inches. Question solved general 11 months ago 4352