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Find the absolute minimum and absolute maximum of f(x,y)=8−5x+9y on the closed triangular region with vertices (0,0),(9,0) and (9,12). List the minimum/maximum values as well as the point(s) at which they occur. If a min or max occurs at multiple points separate the points with commas.
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3 months ago
Guadalupe and her three year old son Carlos visited the pediatrician so carlos could get a check up. the doctor told guadalupe that his height was one standard deviation above the mean height for all three year olds. if the height for three year old boys is normally distributed with a mean of 37 inches and a standard deviation of 1 inch, how tall is carlos? note that you solve for x (his height) using the mean and standard deviation.
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3 months ago
Casey has a small business making dessert baskets. She estimates that her fixed weekly costs for rent and electricity are $200. The ingredients for one dessert basket cost $2.50. If casey made 40 baskets this pst week, what were her total weekly costs? If each basket sells for $25, how many baskets will casey have to sell to break even?
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3 months ago
triangle DEF is isosceles, angle D is the vertex angle, DE=x+7, DF=3x-1, and EF=2x+5
General
3 months ago
hello! i struggle with math A LOT so if u guys can help me with these questions with the work i would appreciate a lot
General
3 months ago
HELP!!!!!Lines CD and DE are tangent to circle A shown below:Lines CD and DE are tangent to circle A and intersect at point D. Arc CE measures 98 degrees. Point B lies on circle A.If Arc CE is 98°, what is the measure of ∠CDE? 56° 49° 131° 82°
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3 months ago
Andy is buying a car.He negotiated a 7 percent decrease on a £6500 car.He will pay the full balance in 12 equal monthly payments.Calculate the amount payed each month
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3 months ago
Tyreese is using algebra tiles to solve the equation below.Tyreese’s first step is toremove one x-tile from both sides.remove two x-tiles from the left side.add one positive x-tile to both sides.add two positive x-tiles to both sides.
General
3 months ago
11. Combine like terms.(-3y – 5) + (5m + 7y) + (6 + 9m)
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3 months ago
This is the back side of the paper
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3 months ago
The U.S. Senate is composed of 2 senators from each of the 50 states. In order for a treaty to be ratified, at least two thirds of the senators present must approve the treaty. Suppose all senators are present and 48 of them have voted in favor of a treaty. What are the possible numbers of additional senators who must vote in favor of the treaty in order to ratify it?
General
3 months ago
I didn't get an answer. Can anyone help me? I'm not sure how to do this. I have 20 minutes to hand it in. PLEASE HELP!!!!Blood alcohol content (BAC) is a measurement of how much alcohol is in someone's blood. It is usually measured as a percentage. So, a BAC of 0.3% is three tenths of 1%. BAC is usually determined by a breathalyzer, urinalysis, or a blood test. However, Swedish physician, EMP Widmark developed this equation for estimating an individual's BAC.B= -0.015t + 2.84 N/WgB= percentage of BACN= number of drinksW= weight in poundsg= gender constant 0.68 for men or 0.55 for woment= number of hours since the first drink1. Show me how to figure out this math problem. A male student has three beers and weighs 200 pounds. Find hes estimated BAC two hours after his first drink. Round to the nearest hundredth of a percent..........2. A female student weighs 120 pounds and plans to go home in two hours. Calculate her BAC if she has 3 glasses of wine. Round to the nearest hundredth of a percent.3. In Washington state, if you have a BAC of 0.08 or greater, you can get a DUI. Would either of these students get a DUI if they were pulled over?
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3 months ago
Once a month Deshaun takes some of his coworkers out to a baseball game. Part A: For the game being played on May 7th, each ticket costs $18 and there are three options for parking. Deshaun is planning on taking some of his coworkers to this game, and he plans on parking in the lot that has a cost of p. If the cost for Deshaun and his coworkers is $80 with parking, write an algebraic equation of the form __ __ + __ = $80 to model this problem. If Deshaun ended up taking 2 coworkers with him, how much did he pay for parking? Part B: For the game being played on June 18th, each ticket costs $23 and there are three options for parking. Deshaun is planning on taking three of his coworkers to this game, and he plans on parking in the lot that has a cost of q. If the cost for Deshaun and his coworkers is $108 with parking, write an arithmetic equation of the form __ + __ = $108 to model this problem. How much did he pay for parking? Part C: Give a logical argument on when to use an algebraic equation versus a arithmetic equation to solve a problem.
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3 months ago
The table contains the proof of the relationship between the slopes of two perpendicular lines. What is the reason for statement 2?
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3 months ago
The distance between two cities is 145 miles. A truck can cover this distance in 2.5 hours. The speed of a car is 1.5 times faster than the speed of the truck. How long does it take them to meet, if they start moving towards each other simultaneously?
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3 months ago
What set of transformations are applied to parallelogram ABCD to create A'B'C'D'? Parallelogram formed by ordered pairs A at negative 4, 1, B at negative 3, 2, C at negative 1, 2, D at negative 2, 1. Second parallelogram transformed formed by ordered pairs A prime at 4, negative 1, B prime at 3, negative 2, C prime at 1, negative 2, D prime at 2, negative 1. A) Reflected over the x-axis and reflected over the y-axis B) Reflected over the y-axis and rotated 180° C) Reflected over the x-axis and rotated 90° counterclockwise D) Reflected over the y-axis and rotated 90° counterclockwise
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3 months ago
Susan wants to compete in a 3.75-mile race.She wants to finish the race in 25.5 minutes. What pace does Susan need to keep per mile to finish the race in 25.5 minutes
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3 months ago
If x-1/3=k and k=3 what is the value of x sat math section 3
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3 months ago
A store is having a sale on jelly beans and trail mix. For 3 pounds of jelly beans and 5 pounds of trail mix, the total cost is $17 . For 9 pounds of jelly beans and 7 pounds of trail mix, the total cost is $37 . Find the cost for each pound of jelly beans and each pound of trail mix.
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3 months ago
Pam has two part time jobs. At one job she works as a cashier and makes $8 per hour. At the second job she works as a tutor and makes $12 per hour. One week she worked 30 hours and made $268. How many hours did she spend at each job?
General
3 months ago
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