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3 years ago

Find the Least Common Domantior(LCD) that would eliminate the fractions in this equation?

Mathematics

1 answer:

gavmur [86]3 years ago

5 0

I hope this helps you

1/2y=7/8+2/3

1/2y=7.3/8.3+2.8/3.8

1/2y =21/24+16/24

1/2y=37/24

y=37/12

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Solve the following equation and show all of your steps: x^2+x−1=0

DaniilM [7]

Quadratic formula since this trinomial is not factorable.
$\frac{ - b + - \sqrt{ {b}^{2} - 4ac } }{2a} \\ \frac{ - 1 + - \sqrt{ {(1)}^{2} - 4(1)( - 1) } }{2(1)} \\ \frac{ - 1 + - \sqrt{1 + 5} }{2} \\ \frac{ - 1 + - \sqrt{6} }{2} \\ x = \frac{ - 1 + \sqrt{6} }{2} \\ x = \frac{ - 1 - \sqrt{6} }{2}$

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3 years ago

The graph of a piecewise defined function is given. evaluate f(-2), f(0), f(1)

vfiekz [6]

Answer:

Step-by-step explanation:

because when x = -2 on the graph the y is -2 (-2,-2)

when the x values is 0 the y value is 1 (0,1)

and when x is 1 the y value is 2. (1,2)

hope this helps. have a good day

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3 years ago

Help me plz I’ll give brainlist plz!!!!!!!!!!!

marishachu [46]

Answer:

answer is 10/3 thats the answer

5 0

3 years ago

(a) Complete the table of values for y- 2x + 5<br> -<br> 0<br> 1<br> 2<br> 1<br> 5<br> Y

maxonik [38]

Answer:

Step-by-step explanation:

I think you meant y = -2x + 5.

x y = -2x + 5

0 5

1 -2(1) + 5 = 3

2 -2(2) + 5 = 1

Note that every time you increase x by 1, y decreases by 2.

5 0

2 years ago

Type the correct answer in each box. Use numerals instead of words.

stira [4]

The system of equations when been placed in a matrix yields

$\left[\begin{array}{ccc}650&-1\\120&1\end{array}\right]\left[\begin{array}{ccc}x\\y\end{array}\right] =\left[\begin{array}{ccc}-175\\25080\end{array}\right]$

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Given the equation:

y = 650x + 175 and;

y = 25080 - 120x

Rearranging the equations gives:

650x - y = -175 and;

120x + y = 25080

Placing the equations in a matrix gives:

$\left[\begin{array}{ccc}650&-1\\120&1\end{array}\right]\left[\begin{array}{ccc}x\\y\end{array}\right] =\left[\begin{array}{ccc}-175\\25080\end{array}\right]$

The system of equations when been placed in a matrix yields

$\left[\begin{array}{ccc}650&-1\\120&1\end{array}\right]\left[\begin{array}{ccc}x\\y\end{array}\right] =\left[\begin{array}{ccc}-175\\25080\end{array}\right]$

Find out more on equation at: brainly.com/question/2972832

#SPJ1

6 0

2 years ago