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Lilit [14]
3 years ago
7

A hike starts at an elevation 20 meters below sea level and ends at a point 3400 meters higher than the starting point. What wou

ld your elevation
be, in meters, at the end of the hike?
3420 meters
3380 meters
-3380 meters
O
-3420 meters

Mathematics
1 answer:
QveST [7]3 years ago
8 0

The correct answer is 3380 meters

Explanation:

The initial elevation of the hike can be represented as -20 meters, this is because the initial elevation is below the sea level, and in terms of elevation the sea level is considered to be 0. Now, using this number the final elevation can be calculated by adding the two numbers:

-20 + 3400 = 3380

This implies the final elevation has 3380 meters

You can also get this same result by considering there are 20 meters from the initial elevation to the sea level and then 3380 meters from the sea level to the final elevation (3380+20 = 3400).

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La suma del cuadrado de un número más el triple del mismo número es igual a dieciocho. Encuentra dicho número.
Genrish500 [490]

If the sum of the square of a number plus the triple of the same number equals eighteen, the required numbers are 3 and -6

Let the unknown number be x

The square of the number is expressed as x²

Triple of the unknown number will also be expressed as 3x

Taking the sum of both numbers and equating it to 18 will give;

x^2 + 3x = 18\\x^2 + 3x - 18 =0

Factorize the resulting equation:

x^2+3x -18=0\\x^2+6x-3x-18=0\\x(x+6)-3(x+6)=0\\(x-3)(x+6)=0\\x= 3 \ and \ -6

Hence the required numbers are 3 and -6

Learn more here; brainly.com/question/13805464

3 0
3 years ago
Answer all of these for 100 points
KiRa [710]

Answer:

Step-by-step explanation:

37) Take two point from the line.

(2 , 0)  & (0,4)

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{4-0}{0-2}\\\\=\frac{4}{-2}\\\\=-2

Slope = (-2)

38)  (7 , 0) & (3 , 2)

Slope = \frac{2-0}{3-7}\\\\=\frac{2}{-4}\\\\=\frac{-1}{2}

39) The line is parallel to x-axis and so its slope is 0

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8 0
3 years ago
Write an equation in slope -intercept form for a line that passes through (-2,7) and (14,21)
Georgia [21]
(-2,7) and (14,21)

Find the slope by using the formula m =  \frac{y2 - y1}{x2 - x1}

Plug in the numbers. m = \frac{21 - 7}{14 - - 2} 
 \\  m= \frac{14}{16}  =  \frac{7}{8} 


Write it in point slope form first

y - y1 = m(x - x1)
y - 7 = 7/8(x - -2)
y - 7 = 7/8x + 1.75
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y = 7/8x + 8.75

Our final equation would be: <span>y = 7/8x + 8.75</span>

7 0
4 years ago
Heyy! i’ll give brainliest help asap pls
NARA [144]

Answer: the answer is B

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Consider the two triangles.
Hitman42 [59]
I believe that the answer is number three.

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