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2 years ago

8y and y are like terms true or false

Mathematics

2 answers:

castortr0y [4]2 years ago

7 0

Answer:

True

Step-by-step explanation:

Hope this helps :)

jeka942 years ago

4 0

Answer: True
have a great day

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What is the determinant of the coefficient matrix of this system? <br> 4x-3y=-8 <br> 8x-3y=12

gladu [14]

The coefficient matrix is build with its rows representing each equation, and its columns representing each variable.

So, you may write the matrix as

$\left[\begin{array}{cc}\text{x-coefficient, 1st equation}&\text{y-coefficient, 1st equation}\\\text{x-coefficient, 2nd equation}&\text{y-coefficient, 2nd equation} \end{array}\right]$

which means

$\left[\begin{array}{cc}4&-3\\8&-3\end{array}\right]$

The determinant is computed subtracting diagonals:

$\left | \left[ \begin{array}{cc}a&b\\c&d\end{array}\right]\right | = ad-bc$

So, we have

$\left | \left[\begin{array}{cc}4&-3\\8&-3\end{array}\right] \right | = 4(-3) - 8(-3) = -4(-3) = 12$

8 0

3 years ago

Graph the function. Give domain and range in interval form.

sertanlavr [38]

Answer:

Domain: all real values of x

Range: all real values of y

Translation depends on the parent function

If the first function was:

y = cuberoot(x)

Then translation is:

Vertical translation 1 unit downwards

6 0

3 years ago

18 is 0.4 of what because i dont know

Tamiku [17]

'is' means equals
'of' means mutily so
we have
18 =0.4 times what
divide both sides by 0.4
45=what
the answer is the number is 45

3 0

3 years ago

Read 2 more answers

Adding and subtracting fractions

kakasveta [241]

Answer:

Step-by-step explanation:

add the top of one and the bottom of the other then the top of the other and the bottom of one

3 0

3 years ago

What is the solution to3/2 log 9/125

REY [17]

Answer:

-1.714001255

Step-by-step explanation:

Well just plug it in your calculator.

$\frac{3}{2} log(\frac{9}{125} )$

4 0

3 years ago