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Sara estimated 23 x 43 by using 20 x 40. Sam estimated 23 x 43 by using 25 x 40. Explain why Sam's method will give a closer estimate than Sara's method. Please explain what method of working out did
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Lettuce is packaged four bags to a box. If there are 3.5 boxes of lettuce in the cooler how many bags of lettuce would there be
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In △ABC, AD and BE are the angle bisectors of ∠A and ∠B and DE ║ AB . Find the length of DE if perimeter of ABDE is 30 cm and AB = 12 cm.
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A species of catfish can generate up to 350 volts of electricity- write an inequality yo represent the amount of electricity generated then draw a graph to show the inequality
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Two fractions have a common denominator of 8 which of these could be two fractions 1/2 and 2/3 and 1/4 1/2 3/4 and 1/6 or 1/2 and 4/5
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Please help! Will get brainliest! Given the following authentic situations,draw the appropriate qualitative graphs. a. Heart rate r,and of the amount of activity I am engaged in,a. b.The number of so
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Katelyn's older brother borrowed money for school. he took out a loan that changes 6% simple interest. he will end up paying $720 in interest after 6 years. How much money did Katelyn's brother borrow
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The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m. and the airplane starts from the same place at 11 a.m., they will have traveled the s
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NEED HELP ASAP Alex, an eighth grader, and Eric, a seventh grader, need to determine who came closer to their grade’s state record for the triple jump. Alex jumped 39.85 feet and Eric jumped 37 feet
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Boeing Truck Company received an invoice showing 8 tires at $110 each, 12 tires at $160 each, and 15 tires at $180 each. Shipping terms are FOB shipping point. Freight is $400; series discount is 10/5
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Given ABC with A(-3, 2), B(-1, -4), and C(4,1), write the equation for the line containing altitude AR in standard form.
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Hector spent $36.75 for 2 DVDs that cost the same amount the sales tax on his purchase was $2.15 Hector also used a coupon for $1.00 off his purchase how much did each team DVD cost?
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im confused on this question can you help?
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Which quadrilateral has two different pairs of adjacent congruent sides? A. rectangle B. kite C. trapezoid D. parallelogram
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Write an equation for the line that is parallel to the given line and that passes through the given point. y = –6x + 2; (–1, 2) a y = –8x – 8 b y = –6x – 4 c y = 6x – 8 d y = –6x +
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Melanie's employer uses a formula to calculate the pension. A retiring employee will receive 3% of their average salary for the last five years of employment for every year worked. Melanie is planning
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For the graph of the function below, identify the axis of symmetry, vertex and the formula for the function. (A graph showing a parabola with a axis of symmetry of (0.5, -0.75) the right side of the
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What is the solution to the following system? mc016-1.jpg x = –53, y = –2, z = 7 x = –41, y = –2, z = –7 x = –11, y = –2, z = –7 x = 1, y = –2, z = 7
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Megan’s mega buffet has a selection of 5 salads, 7 vegetables, 3 entrees, and 2 desserts. At lunch shyla plans to get 2 salads, two vegetables, 1 entree, and 1 dessert. How many different meals can
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I need help with my math midterm. I am horrible at math and don't want to fail. any help with my test?
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Fred and Victoria provide the following proofs for vertical angles to be equal: Fred's proof :
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Use the drawing tool(s) to form the correct answer on the provided graph. Consider the graphed quadratic function. Plot two coordinates on the graph that have integer values and represent an average
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A grocer sells 30 loaves of bread a day. The cost is $2.50 per loaf. The grocer estimates that for each $0.50 increase in cost, 2 fewer loaves of bread will be sold per day. Let x represent the number
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find the area of the trapezoidal cross-section of the irrigation canal shown below. Your answer will be in terms of h, w, and . Use theta for .
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If m and n are real numbers such that 4m + n = 10, then which of the following expressions represents m? A)10 plus n, divided by 4 B)10 minus n, divided by 4 C)10 divided by 4, minus n D)10 minus n, t
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Hank bought a four-family residence for rental property. Hank put 20% down on the $300,000 rental unit. How much will he be able to depreciate using the class recovery period for residential rental pr
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A rock climber's elevation above sea level changed −82 1/2 feet in 2 1/4 minutes as she descended. What was the climber's average change in elevation per minute? Enter your answer as a mixed number,
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continuous compound interest: Use the continuous compound interest formula to find the indicated value. A=$98,000, P=$70,455, r=8.8%, t=?
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Raymond just got done jumping at Super Bounce Trampoline Center. The total cost of his session was $43.25. He had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. Write an
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Write the slope-intercept form of the equation of the line described. 22) through: (-4, -2), perpendicular.
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Sharyn needs 3 3/8 yards of fabric to make a dress for herself and 2 1/8 yards of the same fabric to make a matching dress for her daughter. If she buys 6 1/8 yards of fabric, how much will she have l
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Solve the system of equations by the method of substitution.
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Find the final price of the item below, given that the tax will be applied to the discounted price. 8) Original price of a wagon: $229.50 Discount:...
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A 2-door sedan sticker shows a base price of $12,130.00, with options totaling $2,623.00 and a $515.00 destination charge. Consumer Reports shows the dealer cost at about 93% of the base price and 97%
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Simple interest = P × r × t Dave has a three–year college loan for $10,000. The lender charges a simple interest rate of 6 percent. How much interest will he have to pay? $600 $1,800 $900 NextRese
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Find the percentage change. Round to the nearest tenth of a percent if necessary and state whether the change is an increase or a decrease.
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A dance studio teaches students a contemporary dance form. It is observed that the probability of students from this studio becoming dance teachers is 0.69. An event management company wants to use th
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How many solutions can be found for the linear equation? (3x + 12) (4x + 16) ______ -1 = _______ 3 2 A) no solutions B) one solution C) two solutions D) infinitely many solutions
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A convex pentagon has exterior angles with measures of 66 degrees, 77 degrees, 82 degrees, and 62 degrees. What is the measure of the fifth exterior angle? Is the polygon regular or irregular? Justify
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traveling at r kilometers per hour for t hours, a driver will travel rt kilometers. how far will danny travel in 9 hours at a speed of 78 kilometers?...
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There are two numbers whose sum is 25 and product is 156.
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As you progress in the study of algebra, you go from performing arithmetic operations on numbers to working with unknown values represented by variables. When relationships have two variables, you see
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Write the slope-intercept form of the equation of the line through the given points. 18) through:
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A 9.3 ft tall adult elephant standing next to a lawn ornament casts a 14.9 ft shadow. If the lawn ornament is 3.1 ft tall, then how long is its
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1. white socks to brown socks 2. blue socks to nonblue socks 3. black socks to all of the socks 4. Find two ratios equivalent to the ratio in Exercise 1. Color of socks white black blue brown Number
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A car company tested a sports car on a road with different inclines. The test driver tested the car by driving a distance of x miles on a flat road, (x2 + 3) miles downhill, and (x − 7) miles uphill
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When looking at data with frequency diagrams when should you use absolute values? When should you use relative values? Or should you use both?
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An art project has an area of 63.6 square inches. What is the width, in inches, of the project? A rectangle is shown divided into 4 smaller rectangles that are related to the size of the edges. The t
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A model rocket is launched with an initial upward velocity of 57/ms . The rocket's height h (in meters) after t seconds is given by the following. =h−57t5t2 Find all values of t for which the rocket
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Use the quadratic formula to solve for x . =−6x27x2 Round your answer to the nearest hundredth. If there is more than one solution, separate them with commas.
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