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9966 [12]
3 years ago
10

Write a doubles fact you can use to find the sum

Mathematics
1 answer:
Taya2010 [7]3 years ago
8 0
Hhhhhhhhhhfhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
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Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range. y=x^2+x+9 a. D: al
taurus [48]

Answer: Option c. D: all real numbers R: (y ≥ 8.75)


Solution:

y=x^2+x+9

Domain: all real numbers = ( - Infinite, Infinite)

y=ax^2+bx+c

a=1 > 0, the parabola opens upward: Range: y ≥k

b=1

c=9

Vertex: V=(h,k)

h=-b/(2a)

h=-1/(2(1))

h=-1/2

h=-0.5

k=y=h^2+h+9

k=(-0.5)^2+(-0.5)+9

k=0.25-0.5+9

k=8.75

Range: y≥k

Range: y≥8.75




3 0
4 years ago
Read 2 more answers
What is 16 less than 1/5 of some number, w" can be expressed algebraically
motikmotik
The expression you are looking for is:

0.2*w - 16
6 0
3 years ago
Suppose "35" cars start at a car race. In how many ways can the top 3 cars finish the​ race?
Thepotemich [5.8K]

Answer:

The  value  is   \left 35  } \atop }} \right. P_3  =  39270

Step-by-step explanation:

From the question we are told that

    The  total number of cars is  n  =  35

     The  number cars considered is  r = 3

Generally the number of different top three finishes possible for this race of 35 cars  is mathematically represented as

       \left n } \atop }} \right. P_r  =   \frac{n!}{(n - r) !}

       \left 35  } \atop }} \right. P_3  =   \frac{35! }{(35 - 3) !}

       \left 35  } \atop }} \right. P_3  =   \frac{35 *  34 *  33 *  32! }{32 !}

       \left 35  } \atop }} \right. P_3  =  39270

7 0
3 years ago
Help find circumference pls
Sonbull [250]

Answer: 62.8

Step-by-step explanation:

2 x 3.14 x 10

7 0
2 years ago
Read 2 more answers
I need help!!!!!!!!!!!
Airida [17]

Answer:

A

Step-by-step explanation:

y=f(x)

when x=3

f(3)=y=0

so A

3 0
3 years ago
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