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Softa [21]
3 years ago
13

What is the slope of the line that passes through the points (−2,−5) and (−3,−6)?

Mathematics
1 answer:
4vir4ik [10]3 years ago
5 0

Answer:

Hi there!

The answer to this question is: 1

Step-by-step explanation:

use the change of y over change of x (delta y over delta x) to get the slope

(-5 - (-6)) / (-2 - (-3)) =1

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Subtract -5x^2 - 3 from -x - 5
Margarita [4]
      -x-5
  -  -5x^2 - 3

or

(-x-5) - (-5x^2 - 3)

First, distribute the -. So then it becomes

-x - 5 + 5x^2 + 3

Since you can't add 5x^2 to -x. You can only combine -5 and 3.
Thus it becomes
 - x + 5x^2 -2

However, you order in exponents so

5x^2 - x - 2

would be the correct answer.

4 0
3 years ago
Simplify the expression (2i-5j)×(3i+4j)​
Alex_Xolod [135]

Answer:

-6-7ji-20j^(2)

Step-by-step explanation:

3 0
3 years ago
Fraction 1 whole minus 3 8 ths
lys-0071 [83]
5/8 or .625 is the answer                
5 0
3 years ago
Read 2 more answers
(05.08) Solve for x: 2 over quantity x minus 2 plus 7 over quantity x squared minus 4 equals 5 over x. (2 points) x = negative 4
Oxana [17]

Answer:

Step-by-step explanation:

The best way to do this is to use your LCM and eliminate the fractions.  To find the LCM you have to use all the denominators as a multiplier so the denominator in each term cancels out.  We will first factor the x-squared term to simplify and see what 2 factors are hidden there.

x^2-4 factors to (x + 2)(x - 2).  That means that our 3 denominators that make up our LCM are x(x+2)(x-2).  We will mulitply that in to each term in our rational equation, canceling out the denominators where applicable.

x(x+2)(x-2)[\frac{2}{(x-2)}+\frac{7}{(x-2)(x+2)}=\frac{5}{x}]

In the first term, the (x-2) will cancel leaving us with

x(x+2)[2] which simplifies to

x^2+2x[2]

In the second term, the (x+2)(x-2) cancels out leaving us with

x[7].

In the last term, the x cancels out leaving us with

(x+2)(x-2)[5] which simplifies to

x^2-4[5]

Now we will distribute through each cancellation:

2x²+4x;

7x;

5x²-20

Putting them all together we have

2x² + 4x + 7x = 5x² - 20

Combining like terms gives us a quadratic:

3x² - 11x - 20 = 0

Factor that however you find it easiest to factor quadratics and get that

x = 5 and x = -4/3

4 0
3 years ago
Can anybody plzz helpme understand what domain ,funtions and range are?
ahrayia [7]
The domain is all input values(otherwise known as all x-values on the x-axis) and the range is all possible output values( y-values, as shown on the y-axis). Functions are expressions involving 1 or more variables, in a function x-values are only allowed 1 y-value or else it isn’t considered a function.

Hope this helps!
7 0
3 years ago
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