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slega [8]
3 years ago
13

Find the slope of the line represented by the data on the picture

Mathematics
1 answer:
arsen [322]3 years ago
4 0

Answer:

slope = - 4

Step-by-step explanation:

Calculate the slope m using the slope formula and any 2 ordered pairs from the table.

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, 8) and (x₂, y₂ ) = (- 1, 4) ← 2 points from the table

m = \frac{4-8}{-1+2} = \frac{-4}{1} = - 4

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Solve for x................
alexandr402 [8]

Answer:

Option C

x={1(+/-)2\sqrt{3}}


Step-by-step explanation:

we have

x^{2}-2x-11=0

we know that


The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to


x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}


in this problem we have


x^{2}-2x-11=0

so


a=1\\b=-2\\c=-11


substitute

x=\frac{-(-2)(+/-)\sqrt{-2^{2}-4(1)(-11)}} {2(1)}


x=\frac{2(+/-)\sqrt{4+44}} {2}


x=\frac{2(+/-)\sqrt{48}} {2}


x=\frac{2(+/-)4\sqrt{3}} {2}


x={1(+/-)2\sqrt{3}}


8 0
3 years ago
Read 2 more answers
The fastest speed a table tennis ball has been hit about 13.07 times as fast as the speed for the fastest swimming. What is the
Marrrta [24]

Given there is no speed given for the fastest swimming, the tennis ball is 13.07 times f(Fastest Swimming), or 13.07f.


3 0
3 years ago
Read 2 more answers
Please help with a, b, and c!!
padilas [110]
(a). 
The product of two binomials is sometimes called FOIL.
It stands for ...

       the product of the First terms                (3j  x  3j)
plus
       the product of the Outside terms          (3j  x  5)
plus
       the product of the Inside terms            (-5  x  3j)
plus
       the product of the Last terms                (-5  x  5)

FOIL works for multiplying ANY two binomials (quantities with 2 terms).

Here's another tool that you can use for this particular problem (a).
It'll also be helpful when you get to part-c .

Notice that the terms are the same in both quantities ... 3j and 5 .
The only difference is they're added in the first one, and subtracted
in the other one.

Whenever you have     

              (the sum of two things) x (the difference of the same things)

the product is going to be

                 (the first thing)²  minus  (the second thing)² .

So in (a), that'll be      (3j)² - (5)²  =  9j² - 25 .

You could find the product with FOIL, or with this easier tool.
______________________________

(b).
This is the square of a binomial ... multiplying it by itself.  So it's
another product of 2 binomials, that both happen to be the same:

                            (4h + 5) x (4h + 5)  .

You can do the product with FOIL, or use another little tool:

The square of a binomial        (4h + 5)²    is ...

         the square of the first term               (4h)²
plus
         the square of the last term                (5)²
plus
         double the product of the terms      2 · (4h · 5)
________________________________

(c).
Use the tool I gave you in part-a . . . twice .

The product of the first 2 binomials is           (g² - 4) .

The product of the last 2 binomials is also    (g² - 4) .

Now you can multiply these with FOIL,
or use the squaring tool I gave you in part-b .

5 0
3 years ago
Read 2 more answers
How to write 15409 in expanded form
Lady_Fox [76]
10,000 + 5,000 + 400 + 9
7 0
3 years ago
Read 2 more answers
Do you know what is 1/5 of 35
deff fn [24]

Answer:

7

Step-by-step explanation:

Because 35/5=7 so 1/5 of 35 would = 7

7 0
3 years ago
Read 2 more answers
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