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Irina-Kira [14]
3 years ago
8

2x-18=8x Algebra homework questions

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
4 0

Answer: x=-3

Step-by-step explanation:

2x-18=8x

-2x. -2x.

-18=6x

-18/6=6x/6

-3=x

You might be interested in
Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms. Third-degree, with zeros of −3
RSB [31]

Answer:

\Large \boxed{-\dfrac{5}{4}(x+3)(x+1)(x-2)}

Step-by-step explanation:

Hello,

Based on the indication, we can write this polynomial as below, k being a real number that we will have to identify (degree = 3 and we have three zeroes -3, -1, and 2).

   \Large \boxed{k(x+3)(x+1)(x-2)}

We know that the point (1,10) is on the graph of this function, so we can say.

k(1+3)(1+1)(1-2)=10}\\\\4*2*(-1)*k=10\\\\-8k=10\\\\k=\dfrac{10}{-8}=-\dfrac{5}{4}

Then the solution is:

\large \boxed{-\dfrac{5}{4}(x+3)(x+1)(x-2)}

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

8 0
3 years ago
What is -3(y+2)^2-5+6y in standard from
satela [25.4K]

Answer:

Step-by-step explanation:

-3(y²+4y+4)-5+6y

=-3y²-12 y-12-5+6 y

=-3y²-6y-17

7 0
3 years ago
Diego scored 9 points less than Andre in the basketball game.
grin007 [14]

Answer:

14

Step-by-step explanation:

Diego scored 5 points (half of Noah's 10)

which is 9 less than 14!

5 0
3 years ago
50 points please help!!
Archy [21]

Answer:

YZ

Step-by-step explanation:

The included side to two angles is the side between the angles

The side between angles Z and Y is side YZ

4 0
3 years ago
Using the transformation T : (x, y) → (x + 2, y + 1), find the distance named Find C'A'
deff fn [24]
We have that
<span>A' (2,1)

C(-2,2)-------> </span>Using the transformation-----> C' (-2+2,2+1)----> C' (0,3)

with 
A' (2,1) and C' (0,3)
find the distance <span>C'A'

d=</span>√[(y2-y1)²+(x2-x1)²]----> d=√[(3-1)²+(0-2)²]----> d=√8----> 2√2 units

the answer is
the distance C'A' is 2√2 units

5 0
3 years ago
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