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Tanzania [10]
3 years ago
12

For the graph y = -8 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. Explain your a

nswer with two or more sentences.
Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0
The perpendicular slope would be the opposite of -8, so the perpendicular slope would be 1/8. For you to get this answer you have to change the sign from a negative to a positive, and flip the number to get 1/8.
You might be interested in
Un alemán se encuentra situado en una ciudad C y necesita transportar varios cilindros de gas de cloro. Si la ciudad C está situ
Yakvenalex [24]

Answer:

El alemán debe recorrer de la ciudad B a la ciudad A para llevar los cilindros de gas de cloro.

Step-by-step explanation:

De acuerdo con este problema, tenemos un ángulo y dos lados adyacentes, por tanto, podemos determinar la distancia entre las ciudades A y B, medida en kilómetros, por la Ley del Coseno, definida como sigue:

AB = \sqrt{AC^{2}+BC^{2}-2\cdot AC\cdot BC\cdot \cos C} (1)

Donde:

AC - Distancia entre las ciudades A y C, medida en kilómetros.

BC - Distancia entre las ciudades B y C, medida en kilómetros.

C - Ángulo en la ciudad C, medida en grados sexagesimales.

Si tenemos que AC = 5\,km, BC = 8\,km y C = 36^{\circ}, entonces:

AB = \sqrt{(5\,km)^{2}+(8\,km)^{2}-2\cdot (5\,km)\cdot (8\,km)\cdot \cos 36^{\circ}}

AB \approx 4,927\,km

El alemán debe recorrer de la ciudad B a la ciudad A para llevar los cilindros de gas de cloro.

4 0
3 years ago
Please help with the question.
Tju [1.3M]

Answer:

B

Step-by-step explanation:

Let y = f(x) and rearrange making x the subject

y = x² + 7 ( subtract 7 from both sides )

y - 7 = x² ( take the square root of both sides )

± \sqrt{y-7} = x

Change y back into terms of x, thus

f^{-1}(x) = ± \sqrt{x-7}

7 0
4 years ago
A bridge is supported by triangular braces. IF the sides of each brace have the lengths 3 feet, 46 feet, and 40 feet, find the m
Sunny_sXe [5.5K]

Answer:

<em>46.76</em>

Step-by-step explanation:

Applying the law of cosines

8 0
3 years ago
How to know if two lines are parallel or perpendicular?
anyanavicka [17]
By looking at the equation and if the coefficient of x in both equations are the reciprocal of each other they are perpendicular. If two lines are parallel they have the same slope.
4 0
4 years ago
The deck of a bridge is suspended 275 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of
sukhopar [10]

Answer:

1. <u>Average velocity</u>

When t=4

i. [4, 4.1]

= y(4.1) - y(4) / 4.1 - 4

= 275 - 16(4.1)^2 - 275 - 16(4)^2 / 0.1

= 275 - 16*16.81 - 275 - 16(16) / 0.1

= 6.04 - 19 / 0.1

= -12.96 /0.1

= -129.6

ii. [4, 4.05]

= y(4.05) - y(4) / 4.05 - 4

= 275 - 16(4.05)^2 - 275 - 16(4)^2 / 0.05

= 275 - 16*16.40 - 275 - 16(16) / 0.05

= 12.6 - 19 / 0.05

= -6.4 / 0.05

= -128

iii. [4, 4.01]

= y(4.01) - y(4) / 4.01 - 4

= 275 - 16(4.01)^2 - 275 - 16(4)^2 / 0.01

= 275 - 16*16.08 - 275 - 16(16) / 0.01

= 17.72 - 19 / 0.01

= -1.28 / 0.01

= -128

b. Instantaneous velocity

y = 275 - 16t^2

dy/dx = -32t

Considering t = 4

Instantaneous velocity after 4 seconds = -32(4)

Instantaneous velocity after 4 seconds = -128

7 0
4 years ago
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