Answer:
x ≤ 42 dollars
Step-by-step explanation:
Deon will buy at most 7 pounds, and we know that it costs 6 per pound, so we multiply 7 and 6 to get 42. Deon will not buy over 7 pounds, so that means less than or equal to.
The answer for the problem is -13x+8
Use the order of operations!
Parentheses (Purple)
Exponent (Elephants)
Multiply (Marching)
Divide (Down)
Add (A)
Subtract (Street)
Answer:
Laura and Rob are correct
Step-by-step explanation:
we have
39/50
1) Rob said he could divide the numerator by the denominator
so
using a calculator
39/50=0.78
Rob is correct
2) Laura said she could write an equivalent fraction with 100 as the denominator to converted into a decimal
so
Multiply by 2/2
(39/50)*(2/2)=78/100=0.78
Laura is correct
therefore
Laura and Rob are correct
The double angle formula for the sine is
The right hand side is exactly your expression, where 
So, rewriting the expression from right to left, we have
