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2 years ago

Find the value of x when 6 - 4x +6x - 8x +6 , what is the vaule of x ?

Mathematics

1 answer:

Len [333]2 years ago

8 0

=> 6- 4x +6x -8x +6 = 0

=> 12 -6x = 0

=> 6x = 12

=> x = 2

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Giving that ai +bj 5i-2j are perpendicular find the value of a if b=3

Nonamiya [84]

Answer:

a = $\frac{6}{5}$

Step-by-step explanation:

Given

ai + bj and 5i - 2j are perpendicular and b = 3, that is

ai + 3j and 5i - 2j are perpendicular, then

The scalar product = 0 , that is

5a - 6 = 0 ( add 6 to both sides )

5a = 6 ( divide both sides by 5 )

a = $\frac{6}{5}$

6 0

3 years ago

Kenneth enters the "walk to read", a fund raiser for a group that provides books for children. He must walk 35 kilometers in ord

Mama L [17]

If x = the fuction hours
and y=kilometers walked
your equation should look like this
y=6.5(2.5)
y=16.25

5 0

3 years ago

12x+16y+44 Please help

lara31 [8.8K]

Answer:

This question is incomplete. What exactly are we doing to the equation

PS; You can answer in the comment section. I'd help out there

3 0

3 years ago

Determine the inverse of the function f (x) = 4(x − 3)2 + 2. inverse of f of x is equal to 3 minus the square root of the quanti

Elodia [21]

The inverse of the function f(x) = 4(x-3)² + 2 is $f^{-1}(x) = \sqrt{\frac{x-2}{4} } + 3$

The given function is:

f(x) = 4(x - 3)² + 2

To find the inverse of the function:

Make x as the subject of the formula

$4(x-3)^2 = f(x) - 2\\(x-3)^2 = \frac{f(x)-2}{4} \\x - 3 = \sqrt{\frac{f(x)-2}{4} } \\x = \sqrt{\frac{f(x)-2}{4} } + 3$

Replace x by $f^{-1}(x)$ and replace f(x) by x

$f^{-1}(x) = \sqrt{\frac{x-2}{4} } + 3$

Therefore, the inverse of the function is:

$f^{-1}(x) = \sqrt{\frac{x-2}{4} } + 3$

Learn more here: brainly.com/question/17285960

4 0

2 years ago

4<br><img src="https://tex.z-dn.net/?f=4x%20-%203%20%3D%202x%20%2B%207%20find%20x%20" id="TexFormula1" title="4x - 3 = 2x + 7 fi

natima [27]

Answer:

x=5

Step-by-step explanation:

That is your answer .

First you do 4x-3+3=2x+7+3

then,4x=2x+10,then

subtract 2x from both side

4x-2x=2x+10-2x

simplify

2x=10

divide both sides by 2 2x/2=10/2

simplfy and you get x=5

Hope this helps :)

4 0

3 years ago