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3 years ago

Which is the value of g(−5) if g(x)=3.4x−8?

1 answer:

5 0

I believe it is 9
The given function :
To find the value of g(5) , we need to substitute (Using substitution property) the value of x= 5 in the above function.
Now, put x= 5 in g(x), we get

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Solve x2 – 10x + 25 = 35 for x.

Galina-37 [17]

$x^2-10x+25=35\\\\x^2-2\cdot5\cdot x + 5^2=35\ \ \ |\text{use:}\ (a-b)^2=a^2-2ab+b^2\\\\(x-5)^2=35\to x-5=\pm\sqrt{35}\ \ \ |+5\\\\\boxed{x=5-\sqrt{35}\ \vee\ x=5+\sqrt{35}}$

$\text{other method}\\\\x^2-10x+25=35\\\\x^2-5x-5x+25=35\\\\x(x-5)-5(x-5)=35\\\\(x-5)(x-5)=35\\\\(x-5)^2=35\\.....$

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4 years ago

What operation does not require you to line up the decimals in order to solve a problem

Alex73 [517]

Decimal points must be aligned with performing addition or subtraction.

The arithmetic operation that does <em>not</em> require decimal points be aligned is multiplication.

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For multiplication, you only need to know the number of digits to the right of the decimal point(s).

For long division, it is usually convenient to convert the divisor to an integer and adjust the decimal point of the dividend accordingly. Alternatively, it is necessary to know the number of digits in each number that are to the left of the decimal point.

3 0

3 years ago

How do you multiply 0.205 x 0.234?

goldfiish [28.3K]

Answer:you multiply them? 0.205x0.234

Step-by-step explanation:

6 0

2 years ago

-2=2+x/4<br><br> solve for x

AleksAgata [21]

Answer:

-10

Step-by-step explanation:

solve algebraically.

-2=(2+x)/4

*4 *4

-8=2+x

-2 -2

-10=x

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2 years ago

Can someone please helpppp me out I need serious help .

satela [25.4K]

Answer:

The graph would be:

21 17

12 4

Step-by-step explanation:

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3 years ago