Answer:
r=2
Step-by-step explanation:
y = k x^r is the formula for a direct variation
y = k x^ -r is the formula for a indirect variation
20= 5 (1/2)^ -r
Divide each side by 5
4 = (1/2) ^ -r
Rewriting
2^2 = 2^ -1 ^ -r
2^2 = 2 ^ r
The bases are the same so
2 =r
<h2>
Answer:</h2>
.
<h2>
Step-by-step explanation:</h2>
<h3>1. Write the expression.</h3>
<h3>2. Substitute y for x, and x for y.</h3>
<h3>3. Solve for y.</h3>
<h3>4. Express your result.</h3>
.
Because 3/4 and 3/8 is more than one cup, Jasmine will not be able to mix the flour and the cornmeal in the container.
3/4+3/8=6/8+3/8=9/8
Answer:
By putting the coordinates on the graph I think
Step-by-step explanation:
Answer:
(f-g)(x) is given by -x^2+4x+6
Step-by-step explanation:
