Answer:
6a^2 + ab - 2b^2
Step-by-step explanation:
[insert something smart]
F(x) = x^2 - 3x
f(-8) = (-8)^2 - 3(-8)
f(-8) = 16 - (-24)
f(-8) = 16 + 24
f(-8) = 40 (Answer)
Hope this helps
Answer:y =ax² + bx +c
1) Point (0,7)
7 = a*0² +b*0 +c
c = 7
y=ax² + bx + 7
2) Point (1,4)
4=a*1² + b*1 + 7, ----> 4 = a +b + 7, ------> a+b= - 3
3) Point (2, 5)
5=a*2² + b*2 + 7, ----> 5=4a+2b +7,---> -2=4a+2b, ----> -1=2a + b
4) a+b= - 3, ----> b= -3 - a (substitute in the second equation)
2a+b= -1
2a - 3 - a = -1, ----> a - 3 = -1, a =2
5) a+b= - 3
2 + b = -3
b = -5
y=2x² - 5x + 7
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Step-by-step explanation:
She would have a total of 40 stamps.
Answer: See explanation
Step-by-step explanation:
From the question, the following information can be gotten:
Asha's shelf is 2/3 full of books
Atulya's shelf is 2/5 full.
a. Whose bookshelf is more full?
Asha's shelf.
We can convert to Percentage to get this:
Asha = 2/3 × 100 = 66.7%
Atulya = 2/5 × 100 = 40%
By what fraction?
= 2/3 - 2/5
= 10/15 - 6/15
= 4/15
