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Which is a correct way of evaluating the expression 25x + 40x for x = 4?
General
4 months ago
The current San Francisco cable railway is driven by two large 14-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270°on each sheave. Find the length of cable riding on one of the drive sheaves at any given time.
General
4 months ago
A house blueprint has a scale of 1 in. : 4 ft. The length and width of each room in the actual house are shown in the table. Complete the table by finding the length and width of each room on the blueprint. Living room Kitchen Office Bedroom Bedroom Bathroom Actual l w (ft.) 20 8 16 16 8 16 8 16 20 20 6 8 Blueprint l w (in.)
General
4 months ago
marshall bought 32 ounces of mixed nuts, which are estimated to be 30%. which expression can be used to find the percentage of peanut concentration of the final mix if he adds x ounces of peanuts?
General
4 months ago
Match the systems of equations to their solutions. Tiles 2x + y = 12 x = 9 − 2y x + 2y = 9 2x + 4y = 20 x + 3y = 16 2x − y = 11 y = 11 − 2x 4x − 3y = -13 y = 10 + x -3x + 3y = 30 2x + y = 11 x − 2y = -7 Pairs x = 2, y = 7 arrowBoth x = 5, y = 2 arrowBoth x = 3, y = 5 arrowBoth x = 7, y = 3 arrowBoth
General
4 months ago
Jill has 120 feet of fencing to use for her horse paddock. To increase the area she can enclose, she plans on using the side of the barn as one side of her paddock as shown below.Determine which equation can be used to find the dimensions of the horse paddock when the area is 1,800 square feet. Let x represent the width of the paddock.2x2 - 120x = 1,800-x2 + 120x = 1,800x2 - 120x = 1,800-2x2 + 120x = 1,800
General
4 months ago
A store gets a bucket of eggs for $16.20 and sells a dozen eggs for $3.50. If there are 450 eggs in the bucket, by what percent has the store increased the price per dozen eggs?
General
4 months ago
1.At a video arcade , Jenny buys 25 tokens.She uses two tokens for each game She plays.a ) Write an expression for the number of tokens Jenny left after playing g games. b) Find the number of tokens Jenny has left after playing 1,4,6,10 and 12 games.
General
4 months ago
Dwayne wants to buy a bowling ball that has a price of $120. As a member of a bowling league, he is entitled to a 15% discount off the price of the bowling ball. He will also have to pay 6% sales tax on the discounted price of the bowling ball. Dwayne thinks that the final price of the bowling ball can be determined by taking 9% off the original price. Is Dwayne correct? Support your answer with a detailed explanation.
General
4 months ago
An hourglass consists of two sets of congruent composite figures on either end. Each composite figure is made up of a cone and a cylinder, as shown below:Hourglass with sand measuring 47 millimeters high© 2011 Jupiterimages CorporationEach cone of the hourglass has a height of 12 millimeters. The total height of the sand within the top portion of the hourglass is 47 millimeters. The radius of both the cylinder and cone is 4 millimeters. Sand drips from the top of the hourglass to the bottom at a rate of 10π cubic millimeters per second. How many seconds will it take until all of the sand has dripped to the bottom of the hourglass? A(6.4) B(62.4) C(8.5) D(56.0)
General
4 months ago
To reduce a number to a specified number of digits, without rounding it. You simply cut it off. What is the name of this termFirst two letters: tr
General
4 months ago
Points E, D, and H are the midpoints of triangle TUV. UV=80, TV=100, and HD=80. Find TU.
General
4 months ago
James received a grant for his classroom to buy new computers, which weigh 12 ounces. He is going to buy 24 of them and use a crate that can handle up to 20 pounds. How many pounds are left before the crate is at its maximum limit?
General
4 months ago
You decide to buy a 60 in plasma-screen tv. you borrow $4300 from the electronics store at 1.8% per month simple interest, with no payments due for 2 years from the date of purchase. how much will you owe on the loan after 15 months? round your answer to the nearest whole dollar.
General
4 months ago
Write a triple integral including limits of integration that gives the volume of the cap of the solid sphere x2+y2+z2≤5 cut off by the plane z=2 and restricted to the first octant. (in your integral, use theta, rho, and phi for θ, ρ and ϕ, as needed.)
General
4 months ago
What is the complete factorization of the polynomial function over the set of complex numbers? f(x)=x3+3x2+16x+48
General
4 months ago
One night the king couldn't sleep, so he went down into the royal kitchen, where he found a bowl full of mangoes. being hungry, he took 1/6 of the mangoes. later that same night, the queen was hungry and couldn't sleep. she, too, found the mangoes and took 1/5 of what the king had left. still later, the first prince awoke, went to the kitchen, and ate 1/4 of the remaining mangoes. even later, his brother, the second prince, ate 1/3 of what was then left. finally, the third prince ate 1/2 of what was left, leaving only three mangoes for the servants. how many mangoes were originally in the bowl? is there more than one solution?
General
4 months ago
Andre is setting up rectangle tables for a party. He can fit 6 chairs around a single table. Andre lined up 10 tables end to end and tries to fit 60 chairs around them, but he is surprised when he cannot fit them all. 1. write an equation for the relationship between the number of chairs c and the number of tables t a. the tables are apart from each other: b. the tables are placed end to end????? plz help I so stuck plzzzz
General
4 months ago
let x stand for the number of bananas in one bag. write an equation to find x. 7 bananas in total 3 bags and one banana. bananas in each bag14 bananas in total 4 bags and two bananas. bananas in each bag
General
4 months ago
Find the volume of the prism
General
4 months ago
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