1/3x=20
1st step do the opposite of 1/3x to get it by itself. So you would do 1/3x *3/1 than you would do 3/1 *20. What you do to that side you do to the other.
2nd step 20*3=60
3rd You can check your answer by doing 1/3 *60=20
I plugged the answer in the variable to Check it
Answer:
First awnser
Step-by-step explanation:
4x(7-v2)+v7(7-v2)
28-4v2+7v7-v14
Answer:
-6 7/hr= -6F per hour
Step-by-step explanation:
a rate of change can be defined as:
R=(total change in some quantity) (time in which the change happened)
In this case we know that the temperature dropped -30F in a given time, then we already know that:
Total change in some quanity =-30F now we know that this change took place between the 1:00pm and the 7:00 pm the total amount of ime between these two hours is:
T= (7.00 - 1.00 hr)= 6.00 hr
this means that the change happened =6 hours.
then we can replace these values in the above equation to get:
R=(-30F)/(6hr)=-6F/hr
this means that for each hours that passes the temperature decreases 6F
we also can write that this rate as:
R=-6F/HR =-6F per hour.
Answer:
1. Naomi spends more
2. Naomi spends $0.59 more
3. total cost is $27.98
4. with 20 dollars Naomi gets $5.72 change back
5. with 15 dollars Demetrius will get $1.30 change back
Step-by-step explanation:
Naomi's total cost:$14.28
0.39+0.79+0.59+(0.79x3)+(0.79x3)+0.39+0.39+6.99=14.28
Demetrius' total cost:$13.70
(0.79x5)+0.79+0.79+(0.59x3)+(0.59x5)+0.59+0.89+0.59+0.59+0.79=13.7
A. Congruent by SSS
Let me know if is wrong or right, please!
