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makvit [3.9K]
3 years ago
8

Re-write the expression below.will award brainliest(PLEASE HELPP)

Mathematics
1 answer:
Sedbober [7]3 years ago
8 0

Answer:

- 2a² - 5a + 4ab - 2b + b²

Step-by-step explanation:

Distributing the parenthesis gives

= - 2a² - 2ab + 10a - 15a + 6b + 6ab + b² - 8b ( collect like terms )

= - 2a² + (10a - 15a) + (- 2ab + 6ab) + (6b - 8b) + b²

= - 2a² - 5a + 4ab - 2b + b²

------------------------------------------------------

coefficient of the a² term is - 2

coefficient of the ab term is + 4

coefficient of the b term is - 2

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Cual es la magnitud de la aceleración angular de una llanta de un automóvil que adquiere una velocidad angular de 350 rad/s en 2
drek231 [11]

Respuesta:

175 rad / s²

Explicación paso a paso:

Dado que :

Velocidad angular final = 350 rad / s

Tiempo empleado = 2 segundos

La aceleración angular, a =?

Recordar ; la aceleración angular es igual a la carga en velocidad angular con el tiempo

(velocidad final - Velocidad inicial) / tiempo empleado

Velocidad inicial = 0 rad / s

Aceleración angular = (350 - 0) / 2 = 350/2

= 175 rad / s²

3 0
2 years ago
If the quotient of -20 and 4 is decreased by 3 what number results
Nadya [2.5K]

quotient is divide

-20/4 = -5

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7 0
3 years ago
How many solutions are there to the equation below?
NARA [144]
There is only one solution and the solution is x=-22
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3 years ago
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kolbaska11 [484]

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Step-by-step explanation:

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2 years ago
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Simplify The following equations
Kryger [21]
Mostly collect like terms
use associative property which is
(a+b)+c=a+(b+c)
and remember that:
you just use a general rule
x+x=2x
x^2+x^2=2x^2
3xy4xy=7xy
3x+4x^2=3x+4x^2
you can only add like terms( like terms are terms that are same name like x or y are differnt, and like terms have same power exg x^2 and x^3 and x^1/2 and such


so first one



3b+11c-4c-c
since they are all c except for the first one term, just assign a number for each so it simplifies to c times(11-1)+b(3-4)=c(10-1b=10c-b or

you just use a general rule
x+x=2x
x^2+x^2=2x^2
3xy4xy=7xy
3x+4x^2=3x+4x^2




second one9a-1+8c-8a+c
group like terms
(9a-8a)+(8c+c)-1=(a)+(9c)-1=a+9c-1

12c+5a+7-13c+4a
group like terms(12c-13c)+(5a+4a)+7
add like terms
-c+9a+7
the solution is 9a-c+7


-15-6c+3b-6c+9-2b
group like terms
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-6+(-12c)+b=b-6-12c



the answers are:

10c-b

a+9c-1

9a-c+7

b-12c-6

5 0
3 years ago
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