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Sever21 [200]
3 years ago
5

Find the slope of a line that passes through (-4,-5) and (-3,5)

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0

Answer:

10

Step-by-step explanation:

Slope m = y2 - y1/ x2- x1

( kindly note the numerals written are subscripts)

From question;

(-4, -5) = (x1, y1)

(-3,5) = ( x2, y2)

Slope m = 5-(-5) / (-3) - (-4)

Slope m = 5+5/ -3 + 4

Slope m = 10/ 1

Slope m = 10

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If y= (2x^2+x)^3 +(x-1) /(1-x). find dy dx​
Mrrafil [7]

Answer:

Step-by-step explanation:

y=(2x²+x)³+(x-1)/(1-x)

=(2x²+x)³+(x-1)/-(x-1)

=(2x²+x)³-1

dy/dx=3(2x²+x)(4x+1)-0

=3x(2x+1)(4x+1)

7 0
3 years ago
a record store is having a sale during which all items will be sold at 25% less then marked prices. How much will a CD marked $1
BARSIC [14]

Answer:

$12

Step-by-step explanation:

If you're taking off 25% of the regular cost, "taking off" means subtracting.  So if we subtract 25% OF 16, the word "of" means to multiply here.  So our expression then becomes:

16 - .25(16)

16 - 4 = 12

So the CD will sell for $12.

4 0
3 years ago
A car dealership pays a wholesome price of $12,000 to purchase a vehicle. The car dealership wants to make a 32% profit. The car
cestrela7 [59]

Answer:

$102.96

Step-by-step explanation:

Lets take this one part at a time.

the dealership pays 12000 for the car, so they start at -12000 for how much money they have.

The dealership wants to make a 32% profit.  This means they want to make back the 12000 plus 32% of that.  what is 32% of 12000?  just multiply 12000 bty .32  In the end it works out that the price they sell it for is 15840

I do want to mention that there is a chance the 32% might also be accounting the bonus.  So in other words the dealership spent 12000 for the car then however much in paying the bonus, and they want to make a 32% profit on both of these combined.  I do not think that is what it is asking for, but I wanted to mention it.

Anyway, with a sales price of $15,840 it says the bonus is 6.5% of that.  to find that just do the multiplication .065 * 15840 = 1029.60.  So this is the bonus normally.

Now the question says the salesperson offers a 10 percent discount.  This changes the sales price (by 10%) and the bonus they earn.  let's calculate both.

First 10% discount of the sales price is .9*15840 = 14,256

Then 6.5% of that is .065*14256 = 926.64 So this is the new bonus.

The question wants the difference of the two bonuses, and difference is subtraction.  so 1029.60 - 926.64 = 102.96 So if the salesperson offers a 10% discount they lose $102.96

5 0
3 years ago
4x-6a(8x)/98y Solve for x
worty [1.4K]

1) Solving for x, the following equation:

We're going to isolate the x variable on the left:

4x-6a\frac{8x}{98y}

7 0
1 year ago
Write an equation of a line that passes through each pair of points. (5,7),(-8,-4)
tester [92]

Answer:

Y=11/13x+36/13

Hope this helps

Mark brainliest :)

8 0
2 years ago
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