This looks like a parabola so:
y=x^2 - 20x + 15 --> x^2 - 20x +15=y
(x^2 -20x)=y - 15 --> (x - 10)^2=y - 15 +100 ( used complete the square)
(x - 10)^2=y + 85
Answer:
a
Step-by-step explanation:
everything else there are gaps in between like b and in c they are overlapping
Answer:
Ten Peaches and five bananas.
Step-by-step explanation
To solve the problem increase the cost by adding more peaches and less by adding more bananas
7 peaches = 3.50
8 bananas = 3.20 + 3.50 = 6.70
We need 30 more cents so add three more peaches
10 peaches = 5
5 x 0.4 = 2
2 + 5 = 7
Answer:4 times x
4(x)
Step-by-step explanation:
4 times as many songs on Lou's music player
Lou's music player is x
Answer:
75% of students are year 7
Step-by-step explanation:
divide 126 by 168 which equals 75% of year 7 pupils
