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MrRa [10]
3 years ago
15

Write as a monomial in standard form (3a)2

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
6 0

Answer:

I believe it's  6a

kvv77 [185]3 years ago
3 0

Answer:

9a^2

Step-by-step explanation:

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the height in feet above the ground of an arrow after it is shot can be modeled by y=-16r^2+63r+4.Can the arrow pass over a tree
miss Akunina [59]

Answer:

yes

Step-by-step explanation:

y=-16r^2+63r+4

maximum value of y :

y'=0

-32r +63=0

r= 63/32

y = -16(63/32)²+63(63/32)+4

= -4 + 124 + 4 = 124 ft

124 > 68

the Arrow can pass over the tree

7 0
3 years ago
15 POINTS WITH BRAINLIEST!!! TIMED TEST HELP!!!
podryga [215]

Answer:

D

Step-by-step explanation:

since it's a multiplication consider the two factors one by one

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6 0
3 years ago
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kicyunya [14]

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7 0
2 years ago
What is the area of a circle with a radius of 21 feet?
lidiya [134]

Answer:

Area is about 1520.53

Step-by-step explanation:

A=\pi r^{2}

A = \pi 21^{2}

A ≈ 1520.53

6 0
3 years ago
The liter is the basic unit of weight in the metirc system?
Ivanshal [37]
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8 0
3 years ago
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