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Questions Answered

chris65:
slove equations and put it into a matrices
4t5r=21
3t7r=18
 updated one year ago
 25 replies
 2 Medals
Mathematics

chris65:
30(i1i2)15i2=0
30i1+15i2=24
 updated one year ago
 3 replies
 2 Medals
Mathematics

Kathatesmath94:
I have a multiple choice question but my answer doesn't match my answer choices... Can someone tell me what i did wrong???
 updated one year ago
 30 replies
 2 Medals
Mathematics

ashleynicolee:
A chocolate chip cookie recipe asks for two and one quarter times as much flour as chocolate chips. If three and three quarters cups of fl…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Solmyr:
Part 1: Explain, using complete sentences, how to simplify the expression below.
Part 2: What is the simplified expression?
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

ajb44612:
how do yo find the substitution method for 5x3y=5 and 10x+6y=20?
2x3y=2 and 4x6=9?
2x+4y=12 and 6x+12y=36?
 updated one year ago
 12 replies
 1 Medal
Mathematics

tobchitron0124:
how can I solve this? 1/x + 5/25 = 3/5
Solve for x
 updated one year ago
 2 replies
 1 Medal
Mathematics

ajb44612:
how do you do the substitution method for 3x+2y=11 and x+y=4?
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

chris65:
x + y = 600
.60x + .30y = .40(600)
 updated one year ago
 4 replies
 1 Medal
Mathematics

ashleynicolee:
A pancake recipe requires one and one third cups of milk to one cup of flour. If one and one half cups of milk is used, what quantity of f…
 updated one year ago
 9 replies
 1 Medal
Mathematics

bryansuriel:
If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step?
5x − 6y = 6…
 updated one year ago
 1 reply
 1 Medal
Mathematics

ajb44612:
how do you use the substitution method for 5x+3y=7 and y=x3
 updated one year ago
 7 replies
 1 Medal
Mathematics

yvhweh:
A forensic detective is called to the scene of a murder at 2 a.m. When she checks the temperature of the body, she finds that it is 80F. Th…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Arieln7s96:
I need help knowing what the difference is :
Select the best possible first step to solving the following system by first eliminating the…
 updated one year ago
 13 replies
 2 Medals
Mathematics

meilendurcer:
A salesperson receives a salary of $200 a week and makes a commission of 4% on all sales. Find the salesperson’s total earnings in a week wi…
 updated one year ago
 2 replies
 2 Medals
Mathematics

samstopp:
what is the pattern in this sequence?
1,1,2,3,5,8
 updated one year ago
 3 replies
 1 Medal
Mathematics

meilendurcer:
Suppose you rent a limousine for a formal reception. The bill for the evening is $53.00. A tax of 6% will be added, and you want to tip the …
 updated one year ago
 12 replies
 1 Medal
Mathematics

breebear:
Please help!
Which of the following has the lowest unit price?
…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

goddog123:
how can i simplafy 10/32
 updated one year ago
 7 replies
 1 Medal
Mathematics

HorseCrazyGirlForever:
7x + 15/32 = 3 ( x2) + 7 +2x
 updated one year ago
 1 reply
 1 Medal
Mathematics

buttermequeasy:
Last Tuesday was silly hat day at Susan's school. 221 students wore a silly hat and 629 students did not. What percentage of the students wo…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

123king10:
whos good at electricity math work i need some help like seriously
 updated one year ago
 19 replies
 1 Medal
Mathematics

sp11:
plzzz. help. whats 0.2(2.12h)=8.6
 updated one year ago
 3 replies
 1 Medal
Mathematics

buttermequeasy:
A telephone poll asked people whether they like playing golf. Of the 100 people polled, 37% like playing golf. How many people said they lik…
 updated one year ago
 2 replies
 1 Medal
Mathematics

manny12345:
a number plus one is greater than negative five and less then three. write an inequality
…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

buttermequeasy:
In hopes of encouraging healthier snacks at school, Paul brought in a tray of carrot sticks and apple slices to share. The tray had a total …
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

goddog123:
how can i simplafy 6/21
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

kirk.freedman:
Use the quadratic formula to solve the equation.
x^2 – 7x – 6 = 0
…
 updated one year ago
 25 replies
 1 Medal
Mathematics

buttermequeasy:
At a water park, 36 out of 60 tickets sold were child tickets. What percentage of the tickets were child tickets?
 updated one year ago
 5 replies
 1 Medal
Mathematics

snowballhockey:
Joe needs 1 2/3 cups of flour for a cake recipe. How many cakes can he make for the school carnival if he has 15 cups of flour?
 updated one year ago
 11 replies
 1 Medal
Mathematics
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