Time-Savers.docx - Time Savers on the ACT / SAT Mastery of...

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Time Savers on the ACT / SATMastery of content is the strategy that leads to success on the college entrance tests. Yet, another strategy – using shortermethods when approaching some questions – assists as well.MATHMemorize the formulas! (ACT)The questions become more difficult, so pacing is important.Use your calculator sparingly, only when necessary.Don’t spend too much time on any one problem; skip it and come back if time permits.Use meaningful variablesoA publishing company ships hard-cover textbooks in boxes that weigh 56 pounds each, andsoft-cover workbooks in boxes that weigh 35 pounds each. A shipment going to severalschools weighs 2604 pounds total and contains 60 boxes. How many boxes of soft-coverworkbooks are in the shipment?(ACT Form 70G #25)h = hard-covers = soft-coveroSusanmakes holiday wreaths for 4 hours every Saturday. It takes her 20 minutes to make a smallwreath and 30 minutes to make a large wreath. This Saturday, Susan will make twice as manylarge wreaths as small wreaths. How many of the large wreaths will she make this Saturday?(ACTForm 73G #8)s = # small wreaths2s = # large wreathsDon’t distribute when solving for a variable if the variable already has a coefficient of 1.oIf 12(x – 11) = -15, then x = ?(ACT Form 66F #9)1212x – 11 =When asked to solve for one variable, given two equations, add or subtract – even sometimesmultiply or divide – to eliminate the other variable. Substitution works but could take longer. Saveyourself steps by thinking ahead.oWhat is the value of y in the solution of the system of equations below?(ACT Form 70G #49)x + y = - ax – y =boWhich ordered pair (x, y) satisfies the system of equations shown below?(PSAT Oct. 14, 2015 #5)2xy = 6x + 2y = -2See if a figure is labeled before reading the entire question. (ACT only)oMelanie is standing 80 feet from the launch site of a hot-air balloon when the balloon lifts offfrom the ground and rises vertically. Melanie’s horizontal line of sight is 5 feet above the ground.-1512Solving for y, so get ridof x– ()2y =-a – b5x=104x – 2y = 12( )22()+ x+ 2y =-2
When the bottom of the balloon is 50 feet above the ground, as shown below, which of thefollowing expressions gives the angle that Melanie’s horizontal line of sight makes with her lineof sight to the bottom of the balloon?

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Term
Fall
Professor
N/A
Tags
Pythagorean Theorem, xy, Pythagorean triple

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