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marin [14]
3 years ago
15

4(7x - 1) = 3(2x + 1) - 4(x + 6)

Mathematics
1 answer:
mihalych1998 [28]3 years ago
7 0

Answer:

x = -17/26

Step-by-step explanation:

4(7x - 1) = 3(2x + 1) - 4(x + 6)

distribute 4 through the parentheses (do 3 and -4 as well)

28x-4=6x+3-4x-24

collect like terms

28x-4=2x+3-24 --> 28x-4=2x-21

move the variable

28x-2x-4=-21

collect like terms

26x=-21+4 --> 26x=-17

then divide

hope this helps and makes sense! :)

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Step-by-step explanation:

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a) Use complementary probability.

P(at least 1) = 1 − P(0)

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P(at least 1) = 0.522

b) Use binomial probability.

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P(3) = ₇C₃ (0.1)³ (0.9)⁴

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Find a new function g(x) transformed from f(x)=-x-2 such that g(x) is perpendicular to f(x) .
sineoko [7]

The new function is g(x) =-1(1/-x) +2.

The transformation of function f(x) to function g(x) is given by g(x)=A f(Bx+ H)+K. where the constant A scales the function vertically. (A negative A reflects the function about the x-axis B scales the function horizontally. (A negative B reflects the function on the y-axis.) H shifts the function horizontally, and K shifts the function vertically.

Convert f(x) to g(x)

where the conversion is g(x)=f(x)+2.

A perpendicular line has negative reciprocal slopes, so for g(x) to be perpendicular to f(x), we need to get the negative reciprocal of -x, which is -1(1/-x)

So, f(x)=-x-2  ; m = -1

From the above information, we get g(x) as follows.

g(x) =-1(1/-x) +2

More problems related to finding new functions for a given function are below.

brainly.com/question/13825802?referrer=searchResults

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It is given that y varies inversely as x^2. If x is decreased by 50%, find the percentage change in y.
vova2212 [387]

Answer:

300%

Step-by-step explanation:

Given

y\ \alpha\ \frac{1}{x^2}

Required

Find the percentage change in y when x decreased by 50%

First, convert to equation

y\ = \ \frac{k}{x^2}

Where k is the constant of proportionality

When x decreased by 50%

Y = \frac{k}{(x - 0.5x)^2}

Y = \frac{k}{(0.5x)^2}

Y = \frac{k}{0.25x^2}

Expand

Y = \frac{1}{0.25} * \frac{k}{x^2}

Substitute \frac{k}{x^2} for y

Y = \frac{1}{0.25} * y

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Y = 4 y

The percentage change is then calculated as:

\%Change = \frac{Y - y}{y} * 100\%

\%Change = \frac{4y - y}{y} * 100\%

\%Change = \frac{3y}{y} * 100\%

\%Change = 3 * 100\%

\%Change = 300\%

<em>The percentage in y is 300%</em>

7 0
3 years ago
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