What is the value of the expression? –13.7+(–5+2.7)

Mathematics

2 answers:

Leno4ka [110]2 years ago

8 0

$-13.7+(-5+2.7)=-13.7+(2.7+(-5))\\\\=-13.7+(2.7-5)=-13.7+(-2.3)=-(13.7+2.3)\\\\=\boxed{-16}\leftarrow\boxed{b.}$

Olegator [25]2 years ago

5 0

-13.7 + (-5 + 2.7)

First, simplify -5 + 2.7 to -2.3 / Your problem should look like: $-13.7 + -2.3$
Second, simplify to get rid of the addition. / Your problem should look like: $-13.7 - 2.3$
Third, subtract. / Your problem should look like: $-16$

Answer: -16 (B)

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A figure of a circle and two secants on the circle from the outside of the circle.

To find:

The measure of angle KLM.

Solution:

According to the intersecting secant theorem, if two secant of a circle intersect each other outside the circle, then the angle formed on the intersection is half of the difference between the intercepted arcs.

Using intersecting secant theorem, we get

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