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Degger [83]
3 years ago
5

Simplify the expression. -2^4 A. 16 B. -16 C. -8 D. 8

Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

<u><em>Hi there! :)</em></u>

<u><em>Answer:</em></u>

<u><em>=-16</em></u>

<u><em>*The answer must have a negative sign.*</em></u>

Step-by-step explanation:

<h2><u><em>Lesson: Zero and Negative Exponents</em></u></h2><h2>Zero exponent rule: a^0=1</h2>

First, you multiply by exponents.

2^4=2*2*2*2=16

It change positive to negative sign.

<u><em>Final answer is B. -16</em></u>

Hope this helps!

Have a nice day! :)

:D

-Charlie


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Answer:

(x, y) = (-2, -3)

WORK:

2x + 4y = -16  =

-2x + 2y = -2  =

(^ the two’s cancel out) =

6y = -18  =

(^ you need to divide 6 on both sides to get just y) =

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(^ now you have to plug this in to get x) =

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4 0
3 years ago
Please help me solve
mihalych1998 [28]

Answer:

x = 36.3°

using tane rule:

\sf tan(x)= \dfrac{opposite}{adjacent}

Here!

  • x = missing angle
  • opposite = 22
  • adjacent = 30

=============

\hookrightarrow \sf tan(x) = \dfrac{22}{30}

\hookrightarrow \sf x= tan^{-1}(\dfrac{22}{30} )

\hookrightarrow \sf x= 36.253^{\circ \:}

\hookrightarrow \sf x= 36.3^{\circ \:}        ( rounded to nearest tenth of a degree)

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