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CaHeK987 [17]
3 years ago
9

Is this a function ? Yes or no and why or why not

Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

Yes it is a function, because graph is intersecting y - axis only once.

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The area of a square piece of cardboard is 81 square inches. What is the length of the cardboard
vredina [299]
9 because the square root of 81 is 9
6 0
3 years ago
A gymnast dismounts the uneven parallel bars. Her height, h, depends on the time, t, that she is in the air h = −162 + 24t + 16.
dimulka [17.4K]
That is when h=0
so assuming yo meant
h(t)=-16t²+24t+16
solve for t such that h(t)=0
because when height=0, the gymnast hits the ground

so
0=-16t²+24t+16
using math (imma complete the square
0=-16(t²-3/2t)+16
0=-16(t²-3/2t+9/16-9/16)+16
0=-16((t-3/4)²-9/16)+16
0=-16(t-3/4)²+9+16
0=-16(t-3/4)²+25
-25=-16(t-3/4)²
25/16=(t-3/4)²
sqrt both sides
+/-5/4=t-3/4
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8/4=t
2=t
it takes 2 seconds
5 0
3 years ago
C equals 2 pi r​; Cequals62.8 ​(Circumference of a​ circle)
tatuchka [14]

Answer:

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3 0
3 years ago
Find the length of ad in the diagram shown
kvv77 [185]
The answer to this is 7.5.
4 0
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Read 2 more answers
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Each side should increase by 2x (left & right, and up & down) so that to match the condition :
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