4 years ago

What is the reciprocal of ?8/5

Mathematics

2 answers:

hodyreva [135]4 years ago

5 0

The reciprocal is C. 5/8

Hope this helps:)

zavuch27 [327]4 years ago

5 0

Its c recipocal means you have to flip

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Find dy/dx by differentiating implicitly <br> x^2y+3xy^3-x=3

AleksandrR [38]

$\dfrac{\mathrm d}{\mathrm dx}\left[x^2y+3xy^3-x\right]=\dfrac{\mathrm d}{\mathrm dx}[3]$
$2xy+x^2\dfrac{\mathrm dy}{\mathrm dx}+3y^3+9xy^2\dfrac{\mathrm dy}{\mathrm dx}-1=0$
$(x^2+9xy^2)\dfrac{\mathrm dy}{\mathrm dx}=1-2xy-3y^3$
$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{1-2xy-3y^3}{x^2+9xy^2}$

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3 years ago

6. Given the function f(x) = 7x determine the equation of a new function, g(x), that is reflected over

marusya05 [52]

Answer:

d. g(x) = -7x - 4

Step-by-step explanation:

If it is reflected over the x-axis, there is a negative sign to the x term.

There is a shift of 4 units, so it is -4.

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3 years ago

If f(x) = 1 – x2 + x3, then f(-1) =

Monica [59]

Answer:

Step-by-step explanation:

f(-1)= 1 - (-1)^2 + (-1)^3 = 1 - 1 - 1 = 0 - 1 = -1

4 0

3 years ago

the fourth term of an arithmetic sequence is 141, and the seventh term is 132. what is the first term?

Cerrena [4.2K]

The 1st, 4th, and 7th terms make an arithmetic sequence of their own. The 4th term is the average of the 1st and 7th, so ...
(1st +7th)/2 = 4th
1st + 7th = 2×4th
1st = 2×4th - 7th

The first term is ...
2*141 - 132 = 150

7 0

3 years ago

Please answer this question only if you know it. :(

amm1812

Answer:

a. 36°

Step-by-step explanation:

The same figure will reappear when rotated 360°/10 = 36° about the center.

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<em>Comment on the question</em>

The question as worded is nonsense. If the figure is rotated at all, there is not enough information to tell what the angle of rotation might be.

7 0

3 years ago