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3 years ago

What is the gradient of a line perpendicular to a line with a gradient of 5?

Mathematics

1 answer:

bagirrra123 [75]3 years ago

7 0

Answer:

-1/5

Step-by-step explanation:

Perpendicular line is the negative inverse of the straight line.

So 5=-1/5

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Evaluate -2x^3-3x^2+4 for x=-2

dsp73

Answer: 8

Step-by-step explanation:

1. Rewrite the equation:

-2x^3 - 3x^2 + 4 x = -2

2. Plug in the value of x, -2

-2(-2)^3 - 3(-2)^2 + 4

3. Use order of operations (PEMDAS):

-2(-8) - 3(4) + 4

= 16 - 12 + 4

= 8

3 0

3 years ago

Which graph is the graph of f(x)= (x - 1)/(x + 2) ?

omeli [17]

Answer:

going clockwise from upper left the correct graph is the 2nd one

Step-by-step explanation:

asymptote at -2

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3 years ago

Help I’m giving all my points for this question and brain will be given

GaryK [48]

Answer:

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Step-by-step explanation:

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3 years ago

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A survey of 100 people in New York City, NY found that.

S_A_V [24]

Answer: 0.9

Step-by-step explanation:

$\mathrm{Total \ sample \ space \ $=100$} \\\mathrm{Event \ $A = \ taking \ subway \ each \ day}$$P(A)=0.85$$Event $B=$ taking taxi $\because P(B)=0.6$$$P(A \cap B)=0.55$$$

$\begin{aligned}P(A \cup B) & \Rightarrow \text { Person taking either taxi/subway } \\&=P(A)+P(B)-P(A \cap B) \\&=(0.85-0.555)+(0.6-0.55)-0.55 \\&=1.45-0.55\\&\bf{=0.9} \end{aligned}$

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3 years ago

Simplify (15x+25)-(8x-15)

Harrizon [31]

7x+40... If you go to mathwarehouse.com you can type your question in and you'll get an answer in less than a second

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3 years ago

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