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Natali [406]
3 years ago
9

Please help me i need it

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0
B because its in parenthesis, x to the square and y to the square
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a stone is thrown downward with an intitial velocity of 29.5 m/sec will travel a distance of a meters, where s(t) = 4.9t^2 + 29.
Alenkinab [10]

Answer:

t = 9 s

Step-by-step explanation:

A stone is thrown downward with an intitial velocity of 29.5 m/sec will travel a distance of a meters, where

s(t) = -4.9t^2 + 29.4+132.3

We need to find when the stone will hit the ground. It means when s(t) = 0. So,

-4.9t^2 + 29.4t+132.3=0\\\\t=-3\ and\ t=9

So, the stone will take 9 seconds to hit the ground. Hence, this is the required solution.

5 0
3 years ago
Simplify m(2+n-m)+3(3n+m^2-1)
mina [271]

Answer:2m^2+mn+2m+9n-3

Step-by-step explanation:

m(2+n-m)+3(3n+m^2-1)

open brackets

2m+mn-m^2+9n+3m^2-3

Collect like terms

3m^2-m^2+mn+2m+9n-3

2m^2+mn+2m+9n-3

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3 years ago
A sandbox is a right rectangular prism
horrorfan [7]
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Convert 16 over 5 to a decimal using long division. (5 points)
Flauer [41]

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3.2 because 16 divided by 5 is 3.2

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3 years ago
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I’m please help asap due soon
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