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2 years ago

Select the correct answer. Which equation is equivalent to the given equation

Mathematics

1 answer:

Sergio039 [100]2 years ago

4 0

Answer:

B. −5

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By definition, the determinant equals ad - bc. What is the value of when x = -2 and y = 3? I NEED HELP PLEASE

sergiy2304 [10]

Answer:

Step-by-step explanation:

Taking the determinant of the matrices we will have;

= 4x(5y) - 2x(3y)

= 20xy - 6xy

= 14xy

Given x = -2 and y = 3

Determinant = 14(-2)(3)

Determinant = -28*3

Determinant = -84

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2 years ago

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NemiM [27]

249-76=173. Answer is a

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2 years ago

The quotient of (x^3+3x^2-4x-12)/(x^2+5x+6)

Elis [28]

Answer: The quotient is (x-2).

Step-by-step explanation:

Since we have given that

$f(x)=(x^3+3x^2-4x-12)\\\\and\\\\g(x)=x^2+5x+6\\\\So,\ \frac{\left(x^3+3x^2-4x-12\right)}{\left(x^2+5x+6\right)}$

Now, we have to find the quotient of the above expression.

So, here we go:

$Factorise\ (x^3+3x^2-4x-12)\\\\=\left(x^3+3x^2\right)+\left(-4x-12\right)\\\\=-4\left(x+3\right)+x^2\left(x+3\right)\\\\=\left(x+3\right)\left(x^2-4\right)$

Now, we will divide the above simplest form with g(x):

$\frac{\left(x+3\right)\left(x^2-4\right)}{\left(x+2\right)\left(x+3\right)}\\\\=\frac{x^2-4}{x+2}\\\\=\frac{\left(x+2\right)\left(x-2\right)}{x+2}\ using\ (a^2-b^2)=(a+b)(a-b)\\\\=x-2$

Hence, the quotient is (x-2).

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2 years ago

Read 2 more answers

Please I need help with please help <br> A)<br> B)<br> C)<br> D)

kodGreya [7K]

Answer:

a. m=3

b. m= -1/4

c. m= 0.25

d. m= 7

Step-by-step explanation:

y=mx+b

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2 years ago

Question 12 (1 point)

Mademuasel [1]

Answer:

B) Variable Expense

Step-by-step explanation:

Because you choose to have a pet.

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2 years ago