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Xelga [282]
4 years ago
12

Determine the value c so that each of the following

Mathematics
1 answer:
Levart [38]4 years ago
4 0
This can help you

a) since it is discrete we need to think about the sum thing it it was continuous we would look at an integral thing so I think if I remember correctly we need to find c such that <span><span>∑<span>i=0</span>3</span>c(<span>x2</span>+4)=1
b) </span> problem b is a similar setup


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Find the slope of the line passing through the points (-4, 8) and (2,8).
melamori03 [73]

Answer:

The slope of the line passing through the points (-4, 8) and (2,8) is 0

Step-by-step explanation:

The slope is 0 because you would subtract the y ones first 8-8, subtract the x ones next 2-(-4). You would get 0/6. When you would divide 0/6, you would get 0

4 0
3 years ago
Write an equation of the line passing through the points (-7,-6) with the slope m=4
Helga [31]
Y=mx+b, where m is the slope and b is the y-intercept (the value of y when x=0)

We are told the slope is 4 so

y=4x+b, now using point (-7,-6) we can solve for the y-intercept...

-6=4(-7)+b

-6=-28+b

22=b so our line is:

y=4x+22
6 0
4 years ago
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What equation would go through (-9,-9) and (-6,0)
Scilla [17]

Answer:

The equation of line is y = 3 x +18

Step-by-step explanation:

Given as :

The points are

(x_1, y_1) = (- 9, -9)

(x_2, y_2) = (- 6 , 0)

Let The slope = m

Now,<u> The slope is calculated in points form</u>

So, Slope = \dfrac{y_2-y_1}{x_2-x_1}

I.e m = \dfrac{y_2-y_1}{x_2-x_1}

or, m = \dfrac{0 - (-9)}{- 6 - (-9)}

or, m = \dfrac{9 }{3}

I.e m = 3

So, The slope of points = m = 3

<u>Now, the equation of line in slope - point form can be written as</u>

y - y_1 = m ( x - x_1 )

where m is the slope of line

i.e y - (-9) = ( 3 ) × ( x - (-9) )

or, y + 9 =  3 × (x + 9)

∴ y + 9 = 3 x + 27

Or, y = 3 x + 27 - 9

O,r y = 3 x + 18

So, The equation of line is y = 3 x + 18

Hence, The equation of line is y = 3 x +18 . Answer

7 0
3 years ago
an airplane is flying at an altitude of 31000 feet when it begins its descent for landing. if the runway is 104 miles away, at w
3241004551 [841]
86.77 is the answer u divide 549,120 by 31,000 then use the tan
4 0
4 years ago
Find the slope of the line passing through (-4, 1) and (-1, -2).
Oksana_A [137]

Answer: 1

Step-by-step explanation:

Y2 - Y1 / X2 - X1

-2 - 1 = -3

-1 - -4 = 3

-3/3 = 1

3 0
3 years ago
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