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stepan [7]
3 years ago
10

What is the answer to 3(t-7)=6t

Mathematics
2 answers:
PIT_PIT [208]3 years ago
7 0
Distribute the 3 to both t and -7

3(t) = 3t
3(-7) = -21

3t -21 = 6t

isolate the -21 by subtracting 3t from both sides

-21 + 3t = 6t
-21 + 3t (-3t) = 6t (-3t)
-21 = 3t

divide 3 from both sides to isolate the t

3t = -21
3t/3 = -21/3
t = -21/3
t = -7

t = -7 is your answer

hope this helps
Anni [7]3 years ago
5 0
The answer to it is T= -7
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denpristay [2]

<u>It doesn't matter what order the coordinates are in the distance formula as long as it stays in it's corresponding order.</u> In this case, (-7,5) could be (x1,y1) and (3,-5) could be (x2,y2) or vise versa, just as long as you don't mix up the coordinates (so no (-7,-5) or (3,5)). I'll demonstrate this below:

\sqrt{(-7-3)^2+(5-(-5))^2}\\\sqrt{(-10)^2+(10)^2}\\\sqrt{100+100}\\\sqrt{200}\\\\\sqrt{(3-(-7))^2+(-5-5)^2}\\\sqrt{(10)^2+(-10)^2}\\\sqrt{100+100}\\\sqrt{200}

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3 years ago
Renita started her homework at 3:45 P.M. She worked for 2 hours and 15 minutes. What time did she finish her homework?
Flauer [41]

Answer:

6:00 or 6 o'clock

Step-by-step explanation:

1) Add 2 to the hours. So, 3+2=5

2) Add 15 minutes to 45 minutes. So, 15+45=60

3) 60 minutes is an hour, so therefore add one more hour. 5+1=6

4) There are 6 hours and 0 minutes.

So, the time that Renita finished her homework was 6:00.


Hope this helps!!                                                             ~Carley R.

8 0
4 years ago
(0.7) exponent 2 please help!
ratelena [41]
The answer is 0.49
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7 0
3 years ago
7. Find the distance between the points (13, 8) and (-12, 6)
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9514 1404 393

Answer:

  √629 ≈ 25.08

Step-by-step explanation:

The distance formula is useful for this.

  d = √((x2 -x1)² +(y2 -y1)²)

  d = √((-12 -13)² +(6 -8)²) = √(625 +4) = √629 ≈ 25.08

The distance between the points is about 25.08 units.

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=%5C%5C%20%5Cleq%20%5Cbeta%20%5Calpha%20%5Calpha" id="TexFormula1" title="\\ \leq \beta \alpha
nadya68 [22]
Hi lol I don’t understand you’re question I need more context
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3 years ago
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