Answer:
Use the inflection points to set up intervals. Substitute a value into each interval to find where the curve is concave up or down.
The graph is concave up
From the problem statement Melanie has 10 packets of 20 biscuits
60 biscuits
Solution
Let us find 3/10 of 10 packets
= 3 packets
In one packet there are 20 biscuits,
Hence in 3 packets there will be
20*3 = 60 biscuits
From the solution above Melanie served 60 biscuits in the plate
Learn more about fraction here:
brainly.com/question/78672
Answer:
1. 2.474
2. 2.694
3. 2.334
4. 2.638
Step-by-step explanation:
1 = .20 x 12.37 = 2.474
2 = .20 x 13.47 = 2.694
3 = .20 x 11.67 = 2.334
4 = .20 x 13.19 = 2.638
Answer:
x=-9.5
Step-by-step explanation:
y=-2x+3
y=22
Substitute the value of y into the given equation
22=-2x+3
Substrate 3 from both sides
19=-2x
Divide both sides by-2
x=-9.5
