Hopefully this helps: 16(x^2 + 6x + y^2) = 5(8y + 63)
I'm not sure where to take it from there, but hopefully someone can build off of that. :)
Multiply 17(number of students) and 17(amount he’s spending on each student)
So 17x17=289
Then subtract what he used which is 97.41
So 289-97.41= 191.59
He has $191.59 left
Answer:
35 different selections of soundtracks are possible
Step-by-step explanation:
Total number of soundtracks available at the store = 7
Enny decides to purchase 3 movie soundtracks.
So, in this problem we have to find in how many ways can Enny chose 3 soundtracks out of 7. The order in which the soundtracks are chosen does not matter e.g soundtracks A,B and C are the same as soundtracks B,C and A.
In an arrangement when the order does not matter, we use combinations to find the total possible number of arrangements or selections.
So, for this problem choosing 3 soundtracks out of 7 means forming combinations from 7 objects taken 3 at a time. This can be represented mathematically as:
The general formula for combinations is:
Using the values, we get:
This means, Enny can make 35 different selections of soundtracks.
Answer:
<u>Circumference= 56.52km Area=254.47km </u>
Step-by-step explanation:
To find the area of a circle with the radius, square the radius, or multiply it by itself. Then, multiply the squared radius by pi, or 3.14, to get the area.
The circumference = π x the diameter of the circle (Pi multiplied by the diameter of the circle).
Hope this helps
sum of 2 numbers is the answer / number you get after addiing the 2 numbers
we are told that sum of 8 and another number is 100
so lets call the other number x
so if we put this in an equation
8 + x = 100
we have to make x the subject of the formula as we need to find x
so we have to make x the only term on one side of the equation
for this we carry out the reverse operator for addition of 8 on both sides of the equation
reverse operator for addition is subtraction
x + 8 - 8 = 100 - 8
x = 92
the number is 92
