Answer:
30*4^q-1
Step-by-step explanation:
I just did the test and it said I got it right.
Answer:
$139.60
Step-by-step explanation:
$40 for coming
$29.60 for parts
56 times 1.25 for labor = 70
70 + 29.6 + 40 = 139.6
Answer:
6/35
Step-by-step explanation:
2/5x3/7
Multiply Numerators and Denominators
= 6/35
You can't further simplify so the answer is 6/35.
Solution:
Given:
The volume of a sphere is given by;
Hence, the volume of the truffles will be;
Assume
Combining the fractions on the right hand side gives
The fractions will be equal as long as the their numerator are equal:
Polynomials are equal to one another if the coefficients of like terms are equal:
Solving this, you'd get and , so that your answer would be (26, -23).
- - -
Instead of solving the system of equations above, there is a trick that involves picking so that some terms disappear and solving for either is much faster.
At the point where we have
notice that setting will eliminate . Doing so, we get
while setting would give