Answer:
$3
Step-by-step explanation:
let the cost of apple pie be 
and the cost of chocolate pie be 
.
We then express the situation as:
#Make y the subject of the formula in equation 1 then substitute in 2:
Hence, the cost of a chocolate pie is $3
Answer:
The answer to your question is: A = 1627.35 in²
Step-by-step explanation:
Data
height = 30 in
radius = 7 in
A = ?
Lateral area
A = 2πrh
A = 2(3.1416)(7)(30) = 1319.47 in²
Area of the base and lid
A = 2 x πr² = 2(3.1416)(7)²
= 307.88 in²
At = 1319.47 in² + 307.88 in² = 1627.35 in²
Answer: the ordered pair negative 3 over 8, negative 5 over 8
Step-by-step explanation:
Answer:
x =27
Step-by-step explanation:
3x - 4y=65
lets substitute the value of y in the equation:
3x -4(4) =65
3x = 65 +16
3x= 81
x= 81/3
x = 27
Answer:
x = √(28), or x = 5.292
Step-by-step explanation:
First you distribute the square to the values inside of the parentheses. so it ends up looking like this
5(x^2 - 25) - 9 = 6
add 9 to both sides
so its 5(x^2 - 25) = 15
Then distribute the multiplication of 5 to the contents within the parentheses
so it would be 5x^2 - 125 = 15
add 125 to both sides
you get 5x^2 = 140
divide by 5 on both sides
you get x^2=28
then, take the square root of both sides to reverse the square
√(x^2)=√(28)
and in the end you get x=5.292
but √(28) will probably be fine if your teacher doesn't want u to solve for that kind of stuff.
