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kodGreya [7K]
3 years ago
15

How am I supposed to find ‘t’ here?

Mathematics
1 answer:
Softa [21]3 years ago
6 0

You can solve for (T)

y =  - 16t {}^{2} + 400 \\ add \: both \: side \: by \:  - 16t {}^{2}   \\  - 16t {}^{2}  =  - 400  \\ divide \: both \: side \: by16 \\ t {}^{2} =  - 25 \\ t =  \sqrt{25}   \\ t = 5 \\ \: also \: it \: can \: be \:  - 5 \\  +  - 5 \\  \\

Hope this help :)

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Write an equation of a line in a slope-intercept form that passes through (-2,1) with a slope of 5.
KonstantinChe [14]
If they give you a point and slope, use point slope form.
Then simplify to get slope intercept form (y = mx + b)
slope (m) = 5
(-2, 1)

y - y1 = m(x - x1)
y - 1 = 5(x + 2)
y - 1 = 5x + 10

y = 5x + 11
8 0
3 years ago
Sharonda is settling tables for a wedding, there are 19 round tables, each seating eight people and She places two forks at each
Rashid [163]

19 round tables seating 8 at each table would    Be 152 people total . If you place 2 forks at each setting you would multiply 152 times 2 for a total of 304 forks total

5 0
3 years ago
1) (3+2i)-(1-6i) <br> 2) 4i+3-6+i-1<br> 3) 5i(3-2i)<br> 4) (5+3i)(2-3i) <br> 5) (2+i)(2-i)
lutik1710 [3]

Answer:


Step-by-step explanation:

1) (3 + 2i) - (1 - 6i)

  3 + 2i - 1 + 6i

  2 + 8i

2) 4i + 3 - 6 + i - 1

   5i - 3 - 1

   5i - 4

3) 5i ( 3 - 2i )

   15i - 10i^2

   15i - 10 ( -1 )

   15i + 10

4) ( 5 + 3i ) ( 2 - 3i )

   10 - 15i + 6i - 9i^2

   10 - 9i - 9i^2

   10 - 9i - 9 ( -1 )

   10 - 9i + 9

  - 9i + 19

5) ( 2 + i ) ( 2 - i )

    4  - 2i + 2i - i^2

    4 - i^2

    4 - (-1)

    5

I hope this helps!

8 0
3 years ago
Read 2 more answers
How do i do theese problems
lyudmila [28]
These should be correct
5 0
3 years ago
Troy signed up for a new cell phone plan which charges him a fee of $40 per month, plus $0.05 for each text message that he send
nataly862011 [7]
He can send 600 messages.
40+0.05x=70
-40+0.05x=70-40
0.05x=30
So divide 30 by 0.05
and you get 600.
5 0
3 years ago
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