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ser-zykov [4K]
3 years ago
14

Round the decimal 7.86 ?

Mathematics
1 answer:
solniwko [45]3 years ago
8 0

Answer:

The answer would be 9.0.

Step-by-step explanation:

Hope it help you.

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And right triangle sin (40 - x)° equals cos(3x)° degrees what is the value of x.
Drupady [299]

\qquad\qquad\huge\underline{{\sf Answer}}♨

Let's solve ~

\qquad \sf  \dashrightarrow \: \sin(40 - x)  =  \cos(3x)

\qquad \sf  \dashrightarrow \:  \cos\{90   -   (40 - x ) \}  =  \cos(3x)

\qquad \sf  \dashrightarrow \:90 - (40 - x) = 3x

\qquad \sf  \dashrightarrow \:90 - 40 + x = 3x

\qquad \sf  \dashrightarrow \:3x - x = 50

\qquad \sf  \dashrightarrow \:2x = 50

\qquad \sf  \dashrightarrow \:x = 25 \degree

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2 years ago
Let f(x)=2x+3 and g(x)=x^2-2x+1. perform the function operation and then find the domain of the result f(x)*g(x)
andriy [413]
The answer for your problem is shown on the picture.

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