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forsale [732]
3 years ago
8

Find the value of t in the equation t+5+3t=1

Mathematics
2 answers:
Sedaia [141]3 years ago
6 0
t+5+3t=1\\t+3t+5=1\\4t+5=1\\4t+5-5=1-5\\4t=1-5\\4t =-4\\\\\boxed{\bf{t=-1}}
lys-0071 [83]3 years ago
5 0
First combine like terms.  1t+3t=4t
5+4t=1
Now subtract 5 from both sides.
4t=-4
Now divide both sides by 4.
t=-1
To check,  let's plug in -1 for t.
-1+5+3*-1=
3*-1=-3
-1+5+-3=1
t=-1
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3 0
3 years ago
Simplify the expression using the following values:<br> w=−4; v=5; u=2<br> 4w² − v + 3u
Grace [21]

Given:

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  • v=5
  • u=2

<u>Step</u><u> </u><u>by</u><u> step</u><u> explanation</u><u>:</u>

Step 1:

4w² − v + 3u

Step 2:

=  {4( - 4)}^{2}  - 5 + 3 \times 2

Step 3:

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Step 4:

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Step 5:

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Step 6:

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7 0
4 years ago
An open box will be made from a rectangular piece of cardboard that is 8 in. by 10 in. The box will be cut on the dashed red lin
ANEK [815]
The correct answer is this one: "<span>C) 52 in3."
</span>
Given the illustration, we can be able to know the dimensions of the formed box.

The dimensions are
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So the volume is
Volume = (10-2x) * (8-2x) * (x)
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4 0
3 years ago
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stira [4]

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Alternatively, you can recognize the limit as being equivalent the derivative of <em>f(x)</em> at <em>x</em> = 2, in which case differentiating and plugging in 2 gives

<em>f'(x)</em> = 2<em>x</em> + 1   =>   <em>f'</em> (2) = 5

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agasfer [191]

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Then add

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Read 2 more answers
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