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Gnesinka [82]
3 years ago
7

F(x)=4x^3+Ax^2+8x-1 and f(2)=1

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0
The answer for A is A=-11.5
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What is the equation for this line
pogonyaev

The equation of the line is y=\frac{-1}{5} x-\frac{21}{5}.

Solution:

The points on the line are (–6, –3) and (4, –5).

 x_{1}=-6, y_{1}=-3, x_{2}=4, y_{2}=-5

Slope of the line:

 $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

 $m=\frac{-5-(-3)}{4-(-6)}

 $m=\frac{-5+3}{4+6}

$m=\frac{-2}{10}

$m=\frac{-1}{5}

Point-slope formula:

 y-y_{1}=m\left(x-x_{1}\right)

 $y-(-3)=\frac{-1}{5}(x-(-6))

 $y+3=\frac{-1}{5}(x+6)

 $y+3=\frac{-1}{5} x-\frac{6}{5}

Subtract 3 from both sides of the equation.

$y=\frac{-1}{5} x-\frac{21}{5}

The equation of the line is  y=\frac{-1}{5} x-\frac{21}{5}.

6 0
3 years ago
A garden measuring 10 meters by 7 meters is going to have a walkway constructed all around the perimeter, increasing the total a
SashulF [63]

The width of the pathway is 3m

Step-by-step explanation:

Let the width of the pathway be 'w'

The area will be 130 square meters

The dimensions of the garden is 10 x 7

Area = (10+w) (7+w)

130 = 70 + 17w + w^2

w^2 + 17w - 60 = 0

w^2 +20w - 3w - 60 = 0

w ( w + 20) - 3 ( w + 20) = 0

(w + 20) (w - 3) = 0

w = -20 ( or) w = 3

w is the width and cannot be negative.

So, w = 3 meters

The width of the pathway is 3m

5 0
3 years ago
In the figure below, what is the length of<br> MN?
Diano4ka-milaya [45]
There is no figure below.
6 0
3 years ago
Please help with this math!! I will give brainliest to the best correct well-explained answer :)
cestrela7 [59]

Answer:

put more powder and mix it because its a   soultable  and lemonade so the more mixures more of it and that wont change the taste

An auxiliary verb is a verb that adds functional or grammatical meaning to the clause in which it occurs, so as to express tense, aspect, modality, voice, emphasis, etc. Auxiliary verbs usually accompany an infinitive verb or a participle, which respectively provide the main semantic content of the clause. Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Need help on this question for math
KATRIN_1 [288]

Answer:

y=-7

Step-by-step explanation:

hope that will help you

8 0
3 years ago
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