1. Are you asking how to solve or simplify?
If so, the answer is simple.
PEMDAS
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction.
10 divided by 9 times 7 divided by 5.
9 times 7 first. 63 so lets re word the equation
10 divided by 63 divided by 5
now its 6.3 divided by 5
I got 1.26
now if i did it the way I was taught in highschool this will be the answer..
1.555555555...
Am I correct with either?
Let n = the number of nickels that Ari has.
Let p = the number of pennies that Ari has.
The total number of coins she has is 22.
n + p = 22
We have our first equation... But we another one to solve this.
Each penny is going to be $0.01 and a nickel is work $0.05.
And the total is $0.54
Our second equation. 0.05n + 0.01p = 0.54
n + p = 22
0.05n + 0.01p = 0.54
Multiply the top by -0.05
-0.05n - 0.05p = -1.1
0.05n + 0.01p = 0.54
The n terms cancel out.
-0.04p = -0.56
p = 14
Substitute p back into the top equation.
n + 14 = 22
n = 8
So, Ari has 8 nickels and 14 pennies.
Answer:
x = 3, y = 1
Step-by-step explanation:
2 raised to what power gives you 16?
2*2*2*2 = 16 so 2^4
3 raised to what power gives you 9?
3*3 = 9 so 3^2
the exponent cannot be negative so x has to be greater than y and x cannot be the same as y otherwise you will get a 0.
x = 3 , y = 1
2^(3+1) = 2^4 = 16
3^(3-1) = 3^2 = 9
<h3>
Answer: 7.5 quarts of yellow paint</h3>
=======================================
Work Shown:
(5 yellow)/(6 red) = (x yellow)/(9 red)
5/6 = x/9
5*9 = 6*x
45 = 6x
6x = 45
x = 45/6
x = (15*3)/(2*3)
x = 15/2
x = 7.5
You need 7.5 quarts of yellow paint if you want to mix with 9 quarts of red.
Note: the decimal 7.5 is the same as the mixed number 7 & 1/2.
So you first pay 2.75 to use the computer
then you have to pay for the internet which you used for 28 minutes
28 at 0.35 a minute is 9.8
so 2.75 for the computer plus 9.8 for the internet is
12.55
