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2 years ago

PLEASEEEE!! THIS WAS DUE YESTERDAY AND I FORGOT TO DO IT!! WHOEVER ANSWERS THEM FIRST AND CORRECT GETS BRAINLIEST

Mathematics

1 answer:

Vlad [161]2 years ago

6 0

Answer:

1 = 3

2= 21/5

3=5/6

4=3/8

Step-by-step explanation:

1 explanation

3/4 (8/2) =

(3/4) (8/2)=

(3)(4)/(4)(1)

12/4 =3

2 explanation

7/1(3/5) =

(7/1 ) (3/5) divide tht u get 21/5

3 explanation 5/6(1) =5/6

4 explanation

u rewrite the equation then

(3/4) (1/2

3x 1 is 3 4x 2 is 8 so 3/8

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If the value of third order determinant is 11. Then what is the value of the determinant formed by its cofactors.

nordsb [41]

Answer:

146.41

Step-by-step explanation:

third order determinant = determinant of 3×3 matrix A

given ∣A∣=11

det (cofactor matrix of A) =set (transpare of cofactor amtrix of A) (transpare does not change the det)

=det(adjacent of A)

{det (cofactor matrix of A)} ^2 = {det (adjacent of A)} ^2

(Using for an n×n det (cofactor matrix of A)=det (A)^n−1 )

we get

det (cofactor matrix of A)^2 = {det(A) ^3−1 }^2

=(11)^2×2 = 11^4

=146.41

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What is the linear function equation represented by the graph?

victus00 [196]

The linear function equation is $\boxed{y = \frac{1}{3}x - 4}.$

Further explanation:

The formula for slope of line can be expressed as,

$\boxed{m = \frac{{{y_2} - {y_1}}}{{{x_2} - {x_1}}}}$

Explanation:

The line intersect $\text{y}$ -axis at $\left( {0,- 4} \right).$

Therefore, the $\text{y}$ -intercept is -4.

The line passes through the points $\left( {0,- 4} \right)$ and $\left( {3,- 3} \right)$ .

The slope can be obtained as follows,

$\begin{aligned}m &= \frac{{- 3 - \left( { - 4} \right)}}{{3 - 0}}\\&= \frac{{ - 3 + 4}}{3}\\&= \frac{1}{3}\\\end{aligned}$

The slope of the line is $\dfrac{1}{3}.$

The slope intercept form of the linear equation is given as follows.

$\boxed{y = mx + k}$

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Answer details:

Grade: High School

Subject: Mathematics

Chapter: Linear equation

Keywords: graph function, numbers, slope, slope intercept, equation, linear function, linear equation, y-intercept, graph, representation, origin.

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