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WINSTONCH [101]
3 years ago
10

Factor 140c + 28 -14a to identify the equivalent expressions.

Mathematics
1 answer:
Vlada [557]3 years ago
8 0

Step-by-step explanation:

  • 140c+28-14a
  • 14(10c+2-a)

hope it helps

<h2>stay safe healthy and happy...</h2>
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What basic trigonometric identity would you use to verify that sin x +1/ sin x=1 +csc x
SVETLANKA909090 [29]

Answer:  The correct option is (c). \csc x=\dfrac{1}{\sin x}.

Step-by-step explanation:  We are given to select the correct basic identity that we will use to verify the following:

\dfrac{\sin x+1}{\sin x}=1+\csc x.

We have

\dfrac{1+\sin x}{\sin x}\\\\\\=\dfrac{1}{\sin x}+\dfrac{\sin x}{\sin x}\\\\\\=1+\dfrac{1}{\sin x}.

In order to verify the given trigonometric equation, we must have

1+\dfrac{1}{\sin x}=1+\csc x\\\\\\\Rightarrow \dfrac{1}{\sin x}=\csc x\\\\\\\Rightarrow \csc x=\dfrac{1}{\sin x}.

Thus, the required identity that we will use is

\csc x=\dfrac{1}{\sin x}.

Option (c) is CORRECT.

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3 years ago
Given that 7x – 2y = 30
weeeeeb [17]

Answer:

x=32/7

Step-by-step explanation:

7x-2(1)=30  Plug in 1 as y and simplify.

7x-2=30     Add 2 on both sides of the equation.

  <u>+2 +2</u>

7x=32         Divide both sides of the equation by 7.

<u>/7   /7</u>

x=32/7

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Can one of yall help me on this please.
ser-zykov [4K]

Answer:

Answer

3.0/5

78

Brainly User

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Step-by-step explanation:

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