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denis-greek [22]
3 years ago
10

Solve for x. -2 (7 - 4x) = 1/2 (4 + 16x) - 16

Mathematics
1 answer:
nydimaria [60]3 years ago
7 0

Answer:

this may be wrong question

Step-by-step explanation:

-14+8x = 2+8x-16

-14+ 8x = -14 +8x

-14+14=8x-8x

0=0

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What is the equation of this line written in slope-intercept form?
miv72 [106K]

i think you had a problem in number B which it's suppose to be 1/2 so the correct answer is B

Step-by-step explanation:

.

6 0
2 years ago
(15 Points)
expeople1 [14]

ANSWER 1



Note that,


f(u)=tan^{-1}(u)


is the same as


f(u)=arctan(u)



We apply the product rule.


f(x)=x^2tan^{-1}(x)


So we keep the second function and differentiate the first,plus we keep the first function and differentiate the second.


f'(x)=(x^2)'tan^{-1}(x)+x^2(tan^{-1}(x))'



Recall that,

If

f(u)=tan^{-1}(u)



Then,

f'(u)=\frac{1}{1+u^2}} \times u'


This implies that,

f'(x)=2xtan^{-1}(x)+\frac{x^2}{x^2+1}



ANSWER 2


We apply the product rule and the chain rules of differentiation here.



f(x)=xsin^{-1}(1-x^2)




f'(x)=x'sin^{-1}(1-x^2)+x(sin^{-1}(1-x^2))'



Recall that,

If

f(u)=sin^{-1}(u)



Then,

f'(u)=\frac{1}{\sqrt{1-u^2}} \times u'



This implies that,


f'(x)=sin^{-1}(1-x^2)+x \times \frac{1}{\sqrt{1-(1-x^2)^2}}\times (-2x)


f'(x)=sin^{-1}(1-x^2)-\frac{2x^2}{\sqrt{1-(1-2x^2+x^4)}}


f'(x)=sin^{-1}(1-x^2)-\frac{2x^2}{\sqrt{1-1+2x^2-x^4}}



f'(x)=sin^{-1}(1-x^2)-\frac{2x^2}{\sqrt{2x^2-x^4}}





5 0
4 years ago
4/7 + 1/3 = please help pleaseeee.
ArbitrLikvidat [17]

Step-by-step explanation:

It equals 5/10 That's the answer for you!

6 0
3 years ago
Read 2 more answers
A rectangle has a height of t? + 7t +6 and a width of 2t + 1.
Aleonysh [2.5K]

Answer:

2t^3+15t^2+19t+6

Step-by-step explanation:

(t^2+7t+6)(2t+1)

=t^2*2t+t^2*1+7t*2t+7t*1+6*2t+6*1

=2t^3+15t^2+7t+12t+6

=2t^3+15t^2+19t+6

4 0
3 years ago
Explain why the following is incorrect x3v4=x7
3241004551 [841]

Answer:

False the correct answer would be x^12

Step-by-step explanation:

When calculating an exponent at the power of an exponent the exponent should be multiplied. 3x4=12. The correct answer is x^12.

6 0
3 years ago
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