Edith21
30.11.2020 •
Mathematics
9) Aunt Rosie made 50 pies for Mardi Gras.
She made 10 apple pies.
She made 12 pecan pies.
She made 8 chocolate cream pies.
What percent of the pies were pecan?
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Ответ:
24%
Step-by-step explanation:
Use Percent equation (p = n w) or part of the whole = percentage times the whole
so we would have
12 = n 50
12/50 = n
0.24 = n
0.24 = 24%
Ответ:
Step-by-step explanation:
hello :
an equation of this graph is : f(x) = a(x-h)²+k when (h,k) the vertex
so : h=5 and k= -4
f(x) = a(x-5)²-4 now calculate : a
the y- intercept is : - 6.5 means : f(0) = - 6.5
put x=0 and f(x) = - 6.5
you have : -6.5 = a(0-5)²-4
-6.5 = 25a - 4
25a = -2.5 so : a= -2.5/25= 1/10
the equation is :
f(x) = (1/10)(x-5)²-4