02/21/22
Leo and Theo each had several $20 and $50 bills
Leo and Theo each had several $20 and $50 bills. Leo gave Theo several of his $20 bills and got from him the same number of $50 bills, and after this exchange, the money was divided equally between...
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02/20/22
Topic 5 Review of Systems (19 questions) -- Question 17
Solve the system of equations using subtraction.4x−7y=1710x−7y______
02/20/22
Topic 5 Review of Systems (19 questions) -- Quesiton 15
Solve the system using addition.8x+6y=-3-9x+y=52__________
02/20/22
Topic 5 Review of Systems -- question 14
Solve the system of equations using addition.x+y=5x-5=3________
02/20/22
Topic 5 Review of Systems (19 questions) -- Question 13
Multiple Representations Find the solution of the system of equations by substitution. Use pencil and paper. Draw a picture using algebra tiles to show the substitution.
3x−8y=46
x=3y+
02/20/22
Mixture, Solutions, Age Problems
You have one type of chocolate that sells for $1.70/lb and another type of chocolate that sells for $9.00/lb. You would like to have 58.4 lbs of a chocolate mixture that sells for $5.50/lb. How...
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02/20/22
Topic 5 Review of Systems -- Questino 12
Find the solution to the system of equations by substitution.
p=q+4
2p+4q=
02/20/22
Please help. Thanks!
If 0 < a < 1, which of the following increases as a decreases?a. a-1b. a^2-1c. 1/ad. a^2
02/20/22
The velocity of a particle moving along a line is a function of time given by v ( t )
The velocity of a particle moving along a line is a function of time given by v(t)=72/t2+8t+7 . Find the distance that the particle has traveled after t=8 seconds if it started at t=0 seconds.
02/20/22
Nonlinear Functions
Which of the following is an example of a function whose graph in the xy-plane has exactly two x-intercepts?A. A linear function whose rate of change is zeroB. A quadratic function with no...
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02/20/22
Nonlinear Functions
y=x2−2x−15The equation above represents a parabola in the xy-plane. From which of the following equivalent forms of the equation can the x-intercepts of the parabola be identified as constants or...
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02/20/22
Nonlinear Functions
The graphs of the functions f(x) and g(x) are shown above. For which values of x in the range [−3,6] is g(x)>f(x)?A. −3<x<0B. −3<x<3C. 3<x<6D. 0<x<6
02/20/22
Systems of Equaions
Matt is 5 years older than Lauren. In 8 years the sum of their ages will be 79. How old is Matt now?
02/20/22
Word problems with Systems of Equations
Tevin is 34 years younger than Madison. 9 years ago, Madison's age was 3 times Tevin's age. How old is Tevin now?
02/20/22
What is the systems of equations?
A northbound train and a southbound train meet each other on parallel tracks heading in opposite directions. The northbound train travels 12 miles per hour faster than the southbound train. After...
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02/20/22
1. Out of the blouse in her closet. Precious wants to choose five blouses to bring for an out of town trip. How many ways can she choose the blouses?
1. Out of the blouse in her closet. Precious wants to choose five blouses to bring for an out of town trip. How many ways can she choose the blouses?
02/20/22
Jenny liked to have a 70% average to pass her statistics class. Her previous four tests scores are 52%, 66%, 76%, and 71%. What is the minimum score Heidi needs on the final exam to pass the class?
Jenny liked to have a 70% average to pass her statistics class. Her previous four tests scores are 52%, 66%, 76%, and 71%. What is the minimum score Heidi needs on the final exam to pass the class?
02/20/22
Twice the difference of a number and 2 is greater than or equal to -15
I need to turn this into an equation
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