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ruslelena [56]
2 years ago
8

Helppp

Mathematics
1 answer:
Ugo [173]2 years ago
5 0

Answer:

y = 3/4x + 7

Step-by-step explanation:

Put it in point-slope form:

y - 4 = 3/4(x - -4)

y - 4 = 3/4(x + 4)

y - 4 =3/4x + 3

y = 3/4x + 7

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The marginal cost of drilling an oil well depends on the depth at which you are drilling; drilling becomes more expensive, per m
sukhopar [10]

Answer:

4,250,000 riyals

Step-by-step explanation:

The total cost of drilling a 500-meter well is the sum of fixed costs (1,000,000 riyals) and variable costs.

By integrating the marginal cost function we get the variable costs function. Evaluating the variable costs function from 0 to 500 meters, gives us the total variable cost.

C(x) =\int\limits^{500}_0 {C(x')} \, dx  =\int\limits^{500}_0 {(4000 + 10x)} \, dx \\C(x)=4000x +5x^2 +c|^{500}_0\\C(500) - C(0) = (4000*500 +5*500^2 +c) - (4000*0 +5*0^2 +c)\\C(500) - C(0) = 3,250,000

Total cost of drilling is:

TC = 3,250,000 + 1,000,000\\TC = 4,250,000\ riyals

4 0
3 years ago
What is the slope of the line that passes through (-2,7) and (4, 9)? Type a numerical answer in the space provided. If
lord [1]

Answer:

1/3

Step-by-step explanation:

You need to use slope formula. (the change in Y over the change in X = Slope [x1-x2/y1-y2 = slope]). I believe you can also use point slope formula, but I forgot how to do that one.

First, you would set up the equation.

7-9/-2-4 OR 9-7/4+2

you would then solve to get

-2/-6 OR 2/6

when simplified you get

1/3

for both. Hope it helps!

6 0
2 years ago
Read 2 more answers
A train travels 60 km in 1 hour. How long will it take to go 150 km, if the speed is uniform
jeka94

Answer:

non -uniform

Step-by-step explanation:

because 120km=2 hour

150km=2 hour 30 min

may be the answer is non-uniform.

5 0
2 years ago
Read 2 more answers
Plz I need Answer For It Will give Good Rating
avanturin [10]

Answer:

B

Step-by-step explanation:

1. Find where the line crosses on the y-axis

2. Find two corresponding points on the graph and do the rise/run method, which in this problem is 4/1 or 4( 4÷1= 4)

- When the line is like this / you rise from up and run to the right(positive), but when it is like this \ you rise from down and run to left (negative)

Ps: You should have taken the picture at a different angle 'cause I can see what you looks like and see part of your room.

Hope I was helpful =)

7 0
2 years ago
Solve each equation for the specified variable 1.Y+V=W, solve for V
dmitriy555 [2]
<span>Y+V=W
     V = W - Y
hope that helps</span>
6 0
3 years ago
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