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Andru [333]
3 years ago
5

Simplify a b c and d please help

Mathematics
1 answer:
Klio2033 [76]3 years ago
3 0
A: -5/18
B:1 and 16/35
C: 7/30
D: 7/8
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Your new phew is standing on his deck which is 4 feet off the ground. He tosses his toy up into the air. The equation h(t) = -2t
Tpy6a [65]

Answer:

The height of the toy is 9 feet after 1 second

Step-by-step explanation:

we have

h(t)=-2t^2+7t+4

where

h(t) is the toys height from the ground

t is the time in seconds

so

For t=1 sec

substitute the value of t in the quadratic equation and solve for h(t)

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3 years ago
What expression is equivalent to (9x^2 + 2x -7)(x - 4)
Dima020 [189]

Answer: C

Step-by-step explanation:

We can use the expanding rule to get that one if the expressions is

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2 years ago
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tatyana61 [14]

Step-by-step explanation:

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6 0
2 years ago
Solve the system of equations. y = 6x - 27 y = 4x - 17
NeTakaya
Y=6x-27...........(1)
y=4x-17...........(2)

By comparison
6x-27=4x-17
=> 2x=10 => x=5
Substitute x=5 into (1)
y=6(5)-27=3
Check:
y=4(5)-17=3 as well.
5 0
3 years ago
Read 2 more answers
A man is 6 feet 3 inches tall. The tip of his shadow touches a fire hydrant that is 13 feet 6 inches away. What is the angle of
Natalija [7]

well, since a foot is 12inches, 6' 3" will just be 6.25' and 13' 6" will be 13.5'.

Check the picture below.

Make sure your calculator is in Degree mode.

8 0
2 years ago
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