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myrzilka [38]
2 years ago
10

Solve it ......

le" class="latex-formula">
Mathematics
2 answers:
o-na [289]2 years ago
8 0

            - - - - - - -- - - - - - - - - - -- - - - - - - - - - - - - - --

\blue\textsf{\textbf{Question:-}}}}

Solve 3x+4=28

\blue\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}

First, subtract 4 on both sides:-

\tt{3x=28-4}

\tt{3x=24}

Divide by 3 on both sides:-

\dashrightarrow\bigstar\boxed{\boxed{\bold{x=8}}}\dashleftarrow

<h3>Good luck.</h3>

      - - - - -- -  -- - - - - - - - - - - -  - - -- - - - -  -- - - - - - - - - - - - - - - - - - - - - - -

zalisa [80]2 years ago
7 0

Now we have to,

Solve for the required value of x,

→ 3x + 4 = 28

→ 3x = 28 - 4

→ 3x = 24

→ x = 24/3

→ [ x = 8 ]

Hence, the value of x is 8.

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What is the discontinuity and zero of the function f(x) = the quantity of 3 x squared plus x minus 4, all over x minus 1? A. Dis
Firlakuza [10]

Answer:

The correct option is D. Discontinuity at (1, 7), zero at (negative four thirds, 0)  

Step-by-step explanation:

\text{The function is given to be : }f(x)=\frac{3x^2+x-4}{x-1}\\\\\implies f(x)=\frac{(3x+4)(x-1)}{(x-1)}

To find the point of discontinuity :

Put the denominator equal to 0

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⇒ x = 1

Also, if the factor (x - 1) gets cancel, then it becomes a hole rather than a asymptote , ⇒ y = 3x + 4 at x = 1

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So, Point of discontinuity : (1, 7)

And the zero is : after cancelling the factor (x - 1) put the remaining factor = 0

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⇒ 3x = -4

⇒ x = negative four thirds ( zero of the function)

Therefore, The correct option is D. Discontinuity at (1, 7), zero at (negative four thirds, 0)

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Answer:  A


Step-by-step explanation:

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On x-axis one small box represent one year.

On y-axis one small box represent  one dollar.

If we see the 1 year on x-axis its corresponding value of dollar on y -axis is in mid of 4 dollars and 5 dollars.

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The slope-point formula:

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We have (0, 3) and (-10, 4)

Substitute:

m=\dfrac{4-3}{-10-0}=\dfrac{1}{-10}\\\\y-3=-\dfrac{1}{10}(x-0)\qquad|\text{add 3 to both sides}\\\\y=-\dfrac{1}{10}x+3\to\boxed{A.}

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Step-by-step explanation:

Decimal Fraction Percentage

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