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Bess [88]
3 years ago
11

Is the following always, sometimes, or never true?

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0

For this case we have the following expression:

14 + 3x - 7 = 7x + 7 - 4x

To answer the question, what we must do is rewrite both sides of the equation.

For this, we apply the associative property.

We have then:

3x + (14-7) = (7x-4x) + 7

Rewriting we have:

3x + 7 = 3x + 7

Since both sides of the equation are equal, then the expression is always true.

Answer:

A) Always

NeTakaya3 years ago
3 0
Out of the choices given, the following equation " 14+3x-7x+4-4x" is always true. The correct answer will be A. 
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Please help me on this ... thanks
ira [324]
1,2, and 3 is the correct answer.
4 0
3 years ago
Which of the following represents fifth root of x squared in exponential form? x to the 2 fifths power x to the 5 over 2 power 5
Semmy [17]
\bf a^{\frac{{ n}}{{ m}}} \implies  \sqrt[{ m}]{a^{ n}} \qquad \qquad
\sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}
\\\quad \\
% rational negative exponent
a^{-\frac{{ n}}{{ m}}} =
 \cfrac{1}{a^{\frac{{ n}}{{ m}}}} \implies \cfrac{1}{\sqrt[{ m}]{a^{ n}}}\qquad\qquad 
%  radical denominator
\cfrac{1}{\sqrt[{ m}]{a^{ n}}}= \cfrac{1}{a^{\frac{{ n}}{{ m}}}}\implies a^{-\frac{{ n}}{{ m}}} \\\\
-----------------------------\\\\
\sqrt[5]{x^2}\iff x^{\frac{2}{5}}
3 0
3 years ago
At a restaurant, brunch cost $18.50. As the cost of ingredients rises, the cost of brunch also rises by 40%. What is the new pri
statuscvo [17]
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6 0
3 years ago
Suppose sin(A)=-0.78. use the trig identity sin^2(A)+cos^2(A)=1 and the trig identity tan(A) = sin(A)/cos(A) to find tan(A) in q
Paladinen [302]

In quadrant IV, \cos(A) is positive. So

\sin^2(A) + \cos^2(A) = 1 \implies \cos(A) = \sqrt{1-\sin^2(A)} \approx 0.6258

Then by the definition of tangent,

\tan(A) = \dfrac{\sin(A)}{\cos(A)} \approx \dfrac{-0.78}{0.6258} \approx \boxed{-1.2465}

5 0
2 years ago
Is this answer right
ehidna [41]

Answer: No the real answer is 35.10585

Step-by-step explanation:

3 0
2 years ago
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