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sineoko [7]
2 years ago
15

Please help an person who hates math and is very tried

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
6 0
67, 45, 27, rightfully and 567
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Please help. I WILL REPORT LINKS!!! So, basically it's asking to write an equation of the line that passes through the given poi
brilliants [131]

Answer:

Y = \frac{1}{1}x + 2.5

Step-by-step explanation:

This is the only valid answer for the slope.

Slope = \frac{y2 - y1}{x2 - x1}

8 0
3 years ago
Read 2 more answers
Let R be the triangular region in the first quadrant with vertices at points (0,0), (a,0), and (0,b), where a and b are positive
Salsk061 [2.6K]

Answer:

volume of the solid generated when region R is revolved about the x-axis is π ₀∫^a ( \frac{-b}{a}x + b )² dx

Step-by-step explanation:

Given the data in the question and as illustrated in the image below;

R is in the region first quadrant with vertices; 0(0,0), A(a,0) and B(0,b)

from the image;

the equation of AB will be;

y-b / b-0 = x-0 / 0-a

(y-b)(0-a) = (b-0)(x-0)

0 - ay -0 + ba = bx - 0 - 0 + 0

-ay + ba = bx  

ay = -bx + ba

divide through by a

y = \frac{-b}{a}x + ba/a

y = \frac{-b}{a}x + b

so R is bounded by  y = \frac{-b}{a}x + b and y =0, 0 ≤ x ≤ a

The volume of the solid revolving R about x axis is;

dv = Area × thickness

= π( Radius)² dx

= π ( \frac{-b}{a}x + b )² dx

V = π ₀∫^a ( \frac{-b}{a}x + b )² dx

Therefore,  volume of the solid generated when region R is revolved about the x-axis is π ₀∫^a ( \frac{-b}{a}x + b )² dx

6 0
2 years ago
Special parallelograms
Elza [17]

The answer is 12 because the lines of the parrellel shape he’ll come across each other

7 0
3 years ago
The vertex of this parabola is at (2,-4). When the y-value is -3 and the x-value is -3. What is the coefficient of the squared e
krok68 [10]
Could you please explain how to work this app

6 0
3 years ago
Factorise fully<br>-12a - 16 <br><br>please do quick, first to answer marked brainiest!!​
Allushta [10]

Answer:

-4( 3a+4)

Step-by-step explanation:

-12a - 16

-4*3a -4*4

Factor out a -4

-4( 3a+4)

3 0
3 years ago
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