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djyliett [7]
3 years ago
9

Please help :( Orlando is making a design for a logo. He begins with a square measuring 20 inches on a side. The second square h

as a side length of 16 inches, and the third square has a side length of 12.8 inches. Which square will be the first square with a side length of less than 8 inches?
A. seventh square
B. fourth square
C. fifth square
D. sixth square
Mathematics
1 answer:
Naddik [55]3 years ago
3 0

Answer:D

Step-by-step explanation:

1st --- 20

2nd -- 16

3rd -- 12.8

4th -- 10.24

5th -- 8.192

6th -- 6.5536

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The vertex form of a quadratic function is f(x) = a(x - h)2 + k. What is the vertex of each function? Match the function rule wi
bixtya [17]

Answer:

For  f(x)=6(x-5)^2-9   the vertex is: (5, -9)

For  f(x)=9(x+5)^2-6  the vertex is: (-5, -6)

For  f(x)=5(x-6)^2+9  the vertex is: (6, 9)

For  f(x)=6(x+9)^2-5  the vertex is: (-9, -5)

For  f(x)=9(x-5)^2+6  the vertex is: (5, 6)

Step-by-step explanation:

Let's identify the vertex pair (x_v,y_v) from each equation:

A)  f(x)=6(x-5)^2-9  corresponds to x_v=5\,\,\,and\,\,\,y_v=-9 , that is: (5, -9)

B)  f(x)=9(x+5)^2-6  corresponds to x_v=-5\,\,\,and\,\,\,y_v=-6 , that is: (-5, -6)

C)  f(x)=5(x-6)^2+9  corresponds to x_v=6\,\,\,and\,\,\,y_v=9 , that is: (6, 9)

D)  f(x)=6(x+9)^2-5  corresponds to x_v=-9\,\,\,and\,\,\,y_v=-5 , that is: (-9, -5)

E)  f(x)=9(x-5)^2+6  corresponds to x_v=5\,\,\,and\,\,\,y_v=6 , that is: (5, 6)

6 0
3 years ago
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nikitadnepr [17]

Answer:

1/3

Step-by-step explanation:

Turned 20 minutes, so the minute hand turned 20 times per hour

There are 60 minutes in 1 hour, so the minute hand turns 60 times per hour

Therefore, the fraction is 20/60, simplified to 1/3

6 0
4 years ago
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