Answer:
she can purchase 5 cheesecakes
Step-by-step explanation:
15.99*5=79.95
if we add 9.99 for the shipping of thw whole order
79.95+9.99=89.94
To solve a system of equation by elimination, the coefficients of the same variable of both equations must be equal. In this case, let's choose y.
In order to make the coefficient of y of the second equation be equal to 7, we divide it by 2. Resulting to:
2x - 7y = -34
Next, add the two solutions so that the y term is eliminated. The result is:
10x = 5
Then solve for x
x = 1/2
Substitute x to either of the solution to solve for y. The result is:
y = 5
Answer:
B
Step-by-step explanation:
Answer:
Manuel's argument is correct. Paul used the incirrect base area to find the volume of square pyramid X
Step-by-step explanation:
step 1
Find the volume of the cone W
we know that
The volume of the cone if given by the formula
we have
substitute the given values
assume
substitute
step 2
Find the volume of the square pyramid
we know that
The volume of the pyramid is given by the formula
where
B is the area of the base
h is the height of pyramid
In this problem we have that
----> is the same that the area of the base of cone
so
----> is the same that the height of the cone
so
substitute
therefore
Manuel's argument is correct. Paul used the incirrect base area to find the volume of square pyramid X
Answer:
$43.00
Step-by-step explanation:
final price = marked price + tax
= marked price + (tax rate) · (marked price)
= (marked pric) · (1 + tax rate)
= $40.00 · 1.075
= $43.00
