3 years ago

Mr.Clark takes 25 minutes to brush his teeth. Mrs. Clark spends

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

8 0

Answer:

Step-by-step explanation:

25 times 1.2= 30

Simora [160]3 years ago

4 0

Answer:

Step-by-step explanation:

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Question 2: If x = -5, what is the value of<br> x^2+1<br> ______ -1 ?<br> x^2

Eva8 [605]

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The value of the expression is $= \frac{1}{25}$

Step-by-step explanation:

The expression whose value is to be found is $\frac{ {x}^{2} + 1 }{ {x}^{2} }- 1$

Also from the question, x=-5

Hence to find the value for the expression, we put x=-5 and simplify.

This implies that,

$\frac{ { (- 5)}^{2} + 1 }{ {( - 5)}^{2} }- 1$

$= \frac{25+ 1 }{25}- 1$

$= \frac{26}{25} - 1$

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