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Alina [70]
4 years ago
13

If today is your 15th birthday how many seconds old are you

Mathematics
2 answers:
Viktor [21]4 years ago
8 0

Answer:

You are 4.73x10^8 seconds old.

Brut [27]4 years ago
7 0

Answer:

473040000 seconds old

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Needs help with questions i math
n200080 [17]

Answer:

what is the question

Step-by-step explanation:

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3 years ago
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Find the vertex of this parabola.<br><br><br><br> y = -2x2 + 4x + 12
STatiana [176]
For this case we have the following equation:
 y = -2x ^ 2 + 4x + 12&#10;
 Deriving we have:
 y = -2x ^ 2 + 4x + 12&#10;&#10;y '= -4x + 4
 We match zero:
 -4x + 4 = 0&#10;
 We clear the value of x:
 4x = 4&#10;&#10;x = 4/4&#10;&#10;x = 1
 Then, we substitute the value of x in the equation of the parabola:
 y = -2 (1) ^ 2 + 4 (1) + 12&#10;&#10;y = -2 + 4 + 12&#10;&#10;y = 14
 Thus, the vertex of the parabola is the ordered pair:
 (x, y) = (1, 14)
 Answer:
 
The vertice is:
 
(x, y) = (1, 14)
3 0
3 years ago
Help please giving brainliest!!
jarptica [38.1K]
It’s 8 brainliest me plss
5 0
3 years ago
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Write an equation of the line passing through the point A(–1,5) that is perpendicular to the line y = 1/7x+4
chubhunter [2.5K]

Answer:

-7x - 2

Step-by-step explanation:

First, find the new slope that is perpendicular.

1/7 -> 7 -> -7

So far, we have -7x + b. (we use mx + b)

Since you asked for it to pass point A (-1, 5), substitute in x and y.

y = -7x + b

5 = -7(-1) +b

5 = 7 + b

b = -2

So the equation would be -7x - 2.

Your welcome!

Kayden Kohl

8th Grade

5 0
3 years ago
Question 3 (7 points)
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u can download the gauthmath app i promise it's very helpful :)

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