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KIM [24]
3 years ago
11

19. Find the missing coefficient. (5d - 7)(5d - 6) = 25d2 + 12 +42

Mathematics
1 answer:
Novay_Z [31]3 years ago
4 0

Answer:

The coefficient is -65. (:

Step-by-step explanation:

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Line BC has an equation of a line y = 2x + 3, and line EF has an equation of a line y = negative one over 2x + 4. These two equa
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8 0
3 years ago
Please helps ASAP!!!!
MrMuchimi
The answer to your question is 28%

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5 0
3 years ago
Read 2 more answers
Write a linear equation in standard form for the line that goes through (4,3)<br> and (8,2).
notsponge [240]

Answer:

Ax + By = C

A, B and C can be any number--including negative numbers, zero and one! So examples of standard form can look like this:

3_x_ + 7_y_ = 10, where A = 3, B = 7 and C = 10.

Or they can look like this:

x + 5_y_ = 6. In this case, A = 1, B = 5 and C = 6.

Or this:

8_y_ = 9. In this case, A = 0, which is why x does not appear in the equation. B = 8 and C = 9, as you would expect.

And here's one more:

3_x_ − 5_y_ = 12. Here, A = 3, B = −5 and C = 12. Notice that in this case, B is negative five!

The standard form of a linear equation is Ax + By = C, where A, B and C can be any number.

3 0
4 years ago
Use foil method (8a - 8)(4a + 1)
BlackZzzverrR [31]
The answer is:  " 32a² − 24a − 8 " .
__________________________________________________
Given:
__________________________________________________
(8a − 8)(4a + 1) ;  Let us expand this expression using the:  "FOIL" method.
___________________________________________________
"FOIL" stands for "<u>F</u>irst terms, <u>O</u>uter terms, <u> I</u>nner Terms, <u>L</u>ast Terms" ;
           in that order.
___________________________________________________
Basically:
_______________________________________________________
(a + b)(c + d) = ac + ad + bc + bd ;

in which the:

<u>F</u>irst term is:    "ac" ;
<u>O</u>uter term is:  "ad" ;
<u>I </u>nner term is:   "bc" ;
<u>L</u>ast term is:    "bd " .
__________________________________
So; we have (given):

(8a − 8)(4a + 1) ;
__________________________________________________
Let's take the "<u>F</u>irst, <u>O</u>uter, <u> </u><u>I</u>nner, and <u>L</u>ast terms" ; as follows:
__________________________________________________
<u>F</u>:  (8a)*(4a) = 32a² ;
__________________________________________________
<u>O</u>:  (8a)*(1) = 8a ;
__________________________________________________
<u>I </u>:   (-8)*(4a) = -32a ;
__________________________________________________
<u>L</u>:  (-8)*(1) = -8
__________________________________________________
Now, let us write out these terms:
__________________________________________________
  32a² + 8a − 32a - 8 ;
__________________________________________________
Now, combine the "like terms" in this expression; to simplify:

       + 8a − 32a = -24a ;
__________________________________________________
and rewrite the simplified expression ; which is:
__________________________________________________
        32a² − 24a − 8 .
______________________________________________________ 
6 0
3 years ago
What is y-intercech of the function y = 2x^2 - 5x + 8
Oksanka [162]

Answer:

8

Step-by-step explanation:

The y intercept of a function is found by setting x equal to zero

y = 2x^2 - 5x + 8

y = 2*0 -5*0 +8

y = 8

The y intercept is 8

7 0
4 years ago
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