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faltersainse [42]
3 years ago
5

Write the following equation of a line that passes through (4,-1) and is perpendicular to 4x+2y=10

Mathematics
1 answer:
TiliK225 [7]3 years ago
7 0

Answer:

y=(1/2)x -3

Step-by-step explanation:

Simplify equation:

4x+2y=10

2y= -4x+10

y= -2x+5


Insert coordinates (trying to find b) (perpendicular lines have opposite reciprocal slopes) :

-1= (1/2)(4)+b

-1=2+b

-3=b


Insert b and new slope to equation:

y=(1/2)x -3

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nydimaria [60]

Answer:

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Step-by-step explanation:evs kd vjkdfxds

6 0
3 years ago
Find the derivative of f(x) = 8x^2 + 11x at x = 7.
sleet_krkn [62]
Thank you for posting your question here at brainly. Feel free to ask more questions.  

f′(x)=2∗(8x(2−1))+1∗11x(1−1)

which is

f′(x)=16x+11

then let x = 7 gives us

f′(7)=123

      <span>
<span>Hope my answer would be a great help for you. </span> </span>  

<span> </span>

6 0
3 years ago
T had 53,790 miles onit. They had the car for 8.25 years. On average, how many miles did they drive per year?
liq [111]

Answer: ‭6,520‬ miles per year

Step-by-step explanation:

They had driven the car for 53,790 miles in 8.25 years.

The average number of number of miles driven per year is:

= 53,790 / 8.25 years

= ‭6,520‬ miles per year

<em>They drove an average of ‭6,520‬ miles per year.</em>

7 0
2 years ago
Colin thinks that n - 6 means 6 less than a number. Is Colin correct?
drek231 [11]

Answer: no

Step-by-step explanation: because it’s equal

4 0
3 years ago
For f(x) = x2 + 2x + 3, and g(x) = x2 + 5, Find F(g(2)).
Paraphin [41]

Answer:

f(g(2)) = 102

Step-by-step explanation:

f(x) and f(g(2))

As we can see, we can find g(2) and substitute this value into

f(x)=x² + 2x + 3 instead of x.

g(x) = x² + 5,  g(2) = 2² + 5 = 9

f(x)=x² + 2x + 3

f(9)=9² + 2*9 + 3= 102

5 0
3 years ago
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