28.) 8x + 28 - 16y
Find the GCF (greater common factor) or the smallest number that divide
8, 28 and 16 ALLTOGETHER.
8 = 2 x 4
28 = 7 x 4
16 = 4 x 4, so 4 is the GCF: Now you take 4 as a common factor
4(2x + 7 + 4y)
Answer:
One number is 4.2, the other is 18.8
Step-by-step explanation:
1.) x+y=23
(x+6y)x2=4
2.) (x+6y)x2=4 = 2x+12y=4
3.)Use elimination/substitution to solve
2x+12y=4 = x+6y=2 = x=2-6y
2-6y+y=23
4.)Solve for y
2-5y=23 -> -5y=21 -> y=4.2.
5.)Solve for x
x+4.2=23
x=18.8
I may be wrong so let me know if I am
Answer:
48
Step-by-step explanation:
To solve this we need to do the operations in the brackets first. We should start with the innermost brackets. Then, we work our way outwards. To show my working out I will use an asterisk (*) for multiplication to not confuse X as a variable.
8*{[(7 + 4) * 2] - [(11 - 7) * 4]}
= 8*{[(11) X 2] - [(4) X 4]}
= 8*{[22] - [16]}
= 8*{6}
= 48
It will take Mallory 40 minutes to get to the airport by train.
Step-by-step explanation:
Given,
Time taken by car = 120 minutes
Time taken by train = t
According to given statement;
Time taken by car = 3 times time taken by train
Dividing both sides by 3
It will take Mallory 40 minutes to get to the airport by train.
Keywords: division, multiplication
Learn more about division at:
#LearnwithBrainly
400 divided by 10 equals 40 to the third power is <span>64000</span>