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Tema [17]
2 years ago
14

Evaluate r-s if r = -18 and s = -11

Mathematics
2 answers:
galben [10]2 years ago
7 0

Answer:

r-s=-7

Step-by-step explanation:

r-s

=-18--11

=-18+11=-7

r-s=-7

pls mark brainliest if this helped :)

have a great day

Ilia_Sergeevich [38]2 years ago
6 0

Answer: -7

Step-by-step explanation:

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F(x)=-12x - 2x + 60x² +14x-60
Leona [35]

Answer:

x=±1. are the factors of the quadratic equation.

Step-by-step explanation:

Given quadratic expression, f(x)=-12x - 2x + 60x² +14x-60

Rearranging and adding the terms in the expression and equating to zero.

f(x)= 60x² -60=0

60(x² - 1) =0

The zero product property states that if the product of a⋅b=0 then either a or b equal zero or both of them must be equal to zero. This basic property helps us solve the quadratic equations like (x+2)(x-5)=0 where x =-2,5.

from the zero product property we can infer that 60≠0⇒x² - 1=0

⇒(x+1)×(x-1) = 0

⇒x=±1.

Therefore, x=±1. are the factors of the quadratic equation.

3 0
3 years ago
Can someone isolate the variable “n” and show steps?
oee [108]

Answer:

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Step-by-step explanation:

s=(n-2)180

/180

s/180=n-2

+2

s/180 +2 =n

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