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Serggg [28]
3 years ago
11

Subtract and simplify. ( y 2 −7y−5)−(−3 y 2 +3y−4)

Mathematics
1 answer:
Makovka662 [10]3 years ago
7 0
-7y+4 is the answer.................
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I WILL BE CHOOSING THE BRAINLIEST! PLEASE HELP ME!
joja [24]

Answer:

If the triangle is similar by any axiom then the ratio of their sides will be equal then you can easily find the side of the triangle

OR

You can also find it by congurency.

Hope this helps

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B3x%20-%206%7D%20%20%5C%20%5Cdiv%20%5Cfrac%7Bx%20%2B%209%7D%7Bx%20-%202%7D%
mojhsa [17]
Simplify the following:
x/((x - 2) (x + 9) (3 x - 6))

Factor 3 out of 3 x - 6:
x/(3 (x - 2) (x - 2) (x + 9))

Combine powers. x/((x - 2) (x + 9)×3 (x - 2)) = (x (x - 2)^(-1 - 1))/((x + 9)×3):
(x (x - 2)^(-1 - 1))/(3 (x + 9))

-1 - 1 = -2:
Answer: (x (x - 2)^(-2))/(3 (x + 9))
7 0
3 years ago
How many solutions does each equation below have? how can you tell?
Vikki [24]
A) This one has no solutions because the answer of the equation is 0=-1 which isn't true.

b) 6t-3=3t+6  ==>  3t=9  ==>  t=3  This means that this has one solution.

c) 6 (2m-3)-3m=2m-18+m  ==> 12m-18=2m-18+m  ==> 9m=0  ==> m=0 so this one has no solutions. 

d) 10+3y-2=4y-y+8  ==>  8+3y=3y+8  ==>   0=0 ==> Infinitely many solutions.

~Hope I helped!~
8 0
3 years ago
Express 2,750,389 in scientific notation
hichkok12 [17]
That method of representing the number would produce ...

           2.750389 x 10⁶  .
5 0
3 years ago
Prove that when a polynomial function p(x) is divided by a first degree polynomial ax + b the remainder is p(-b/a)
DochEvi [55]

Answer:

r = p(-b/a)

Step-by-step explanation:

Let p(x) = q(x)(ax + b) + r(x) where q(x) is the quotient when p(x) is divided by ax + b and r(x) is the remainder.

Since ax + b is a first degree polynomial, r(x) is one power less than ax + b is is just a constant, r.

So, p(x) = q(x)(ax + b) + r

Now, p(x) = r when q(x)(ax + b) = 0

since q(x) ≠ 0, ax + b = 0 ⇒ ax = -b ⇒ x = -b/a

⇒ p(x) = r when x = -b/a

So, r = p(-b/a)

So, the remainder when a polynomial function p(x) is divided by a first degree polynomial ax + b is p(-b/a)

8 0
3 years ago
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