Respuesta :
Answer:
Yes, she is correct.
Step-by-step explanation:
Given equation,
[tex]-5\frac{1}{8}n = -9\frac{3}{4}[/tex]
[tex](-5-\frac{1}{8})n=-9-\frac{3}{4}[/tex]
[tex]\frac{(-40-1)n}{8}=\frac{-36-3}{4}[/tex]
[tex]-\frac{41}{8}n =-\frac{39}{4}[/tex]
[tex]-41\times 4n = -39\times 8[/tex]
[tex]\implies n =\frac{39\times 2}{41}=\frac{78}{41}=1\frac{37}{41}[/tex]
By estimation :
Since, 1/8 = 0.125 ≈ 0, while, 3/4 = 0.75 ≈ 1
⇒ [tex]-5\frac{1}{8}\approx -5[/tex]
And, [tex]-9\frac{3}{4}\approx -10[/tex]
[tex]-5n = -10\implies n =\frac{-10}{-5}=2[/tex]
Since, [tex]1\frac{37}{41}[/tex] is near to 2.
Hence, she is correct.
Answer: -5(2) = -10
Step-by-step explanation:
You wanted a rounded answer so just round the numbers and simplify
Hope this helps!