Questions Answered

Deldrickg:
Group Title
A local hamburger shop sold a combined total of
711
hamburgers and cheeseburgers on Wednesday. There were
…
 updated 7 days ago
 10 replies
 1 Medal

Deldrickg:
Group Title
Gabrielle's age is three times Mikhail's age. The sum of their ages is
40
…
 updated 7 days ago
 6 replies
 1 Medal

Deldrickg:
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8.6=4.2+4u
 updated 8 months ago
 5 replies
 1 Medal

Deldrickg:
Group Title
2(2u+9)=50
 updated 8 months ago
 28 replies
 1 Medal

Deldrickg:
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13= 7+ U/3
 updated 8 months ago
 16 replies
 1 Medal

Deldrickg:
Group Title
The function f(t) = 20 sin (pi over 5t) + 12 models the temperature of a periodic chemical reaction where t represents time in hours. What a…
 updated 9 months ago
 2 replies
 No Medals Yet

Deldrickg:
Group Title
What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 3?
an = 5 − 3(n − 1); …
 updated 9 months ago
 8 replies
 1 Medal

Deldrickg:
Group Title
solves for x in the equation −x2 + 2x + 6 = 2x − 3?
 updated 9 months ago
 6 replies
 No Medals Yet

Deldrickg:
Group Title
The grades on the last math exam had a mean of 88%. Assume the population of grades on math exams is known to be normally distributed with a…
 updated 9 months ago
 4 replies
 3 Medals

Deldrickg:
Group Title
Alma wants to prove to her parents that listening to music while she studies for her tests will help her get better grades. She decides to a…
 updated 9 months ago
 5 replies
 1 Medal

Deldrickg:
Group Title
In a study of 250 adults, the mean heart rate was 70 beats per minute. Assume the population of heart rates is known to be approximately nor…
 updated 9 months ago
 13 replies
 2 Medals

Deldrickg:
Group Title
Being a smart financial planner, you want to figure out how many months it will be until your principal is paid down to $10,000.00. Solve f…
 updated 11 months ago
 4 replies
 No Medals Yet

Deldrickg:
Group Title
Henry rolls 2 number cubes numbered 1 through 6 while playing his favorite board game. He will get a second turn if he rolls a sum that is a…
 updated one year ago
 5 replies
 4 Medals

Deldrickg:
Group Title
ax+by=c solve for (y)
 updated one year ago
 2 replies
 1 Medal

Deldrickg:
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x+y/3=5 solve for (x)
 updated one year ago
 14 replies
 1 Medal

Deldrickg:
Group Title
Light, xrays, microwaves, and radio waves are examples of which type of energy?
electrical energy
…
 updated one year ago
 9 replies
 1 Medal

Deldrickg:
Group Title
Use the substitution method to solve the following system of equations.
4x – y = 3
…
 updated one year ago
 3 replies
 No Medals Yet

Deldrickg:
Group Title
What is the value of y in the solution to the following system of equations?
5x – 3y = –3
…
 updated one year ago
 4 replies
 2 Medals

Deldrickg:
Group Title
In the below system, solve for y in the first equation.
2x + y = 11
…
 updated one year ago
 3 replies
 1 Medal

Deldrickg:
Group Title
In the below system, solve for y in the first equation.
x – 3y = –6
…
 updated one year ago
 3 replies
 No Medals Yet

Deldrickg:
Group Title
Use the substitution method to solve the following system of equations.
3x – y = 2
…
 updated one year ago
 3 replies
 1 Medal

Deldrickg:
Group Title
Solve 2x + y = 7
x – y = –4
…
 updated one year ago
 25 replies
 4 Medals

Deldrickg:
Group Title
Which pair of terms contain opposite coefficients?
7x and –7x
…
 updated one year ago
 2 replies
 1 Medal

Deldrickg:
Group Title
What is a possible first step to eliminate a variable in the following system?
7x – 9y = 2
3x – 6y = –4
…
 updated one year ago
 2 replies
 2 Medals

Deldrickg:
Group Title
Solve 5x + 2y = 7
10x + 4y = 14
…
 updated one year ago
 2 replies
 1 Medal

Deldrickg:
Group Title
Solve 2x + 5y = –13
3x – 4y = –8
…
 updated one year ago
 8 replies
 1 Medal

Deldrickg:
Group Title
What is a possible first step to eliminate the variable y in the following system?
4x + 6y = 1
5x – 3y = 8
…
 updated one year ago
 11 replies
 1 Medal

Deldrickg:
Group Title
Solve 7x – 2y = –3
14x + y = 14
 updated one year ago
 16 replies
 6 Medals

Deldrickg:
Group Title
Simplify: (9 – 8)2 × (24 – 6 divided by 3)
 updated one year ago
 5 replies
 No Medals Yet

Deldrickg:
Group Title
Write the equation of the line which passes through (2, 1) and is perpendicular to x = –2.
 updated one year ago
 2 replies
 No Medals Yet
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