Please help I’ll mark you as brainliest if correct

1 answer:

ki77a [65]3 years ago

7 0

Answer:

Y= 250x+45

Step-by-step explanation:

answer = 250 per hour (X) + 45

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alekssr [168]

I got -2 as the slope hope this helps:)

4 0

3 years ago

jeka57 [31]

Answer:

(- 4, 3 )

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 90°

a point (x, y ) → (- y, x ) , then

(3, 4 ) → (- 4, 3 )

6 0

3 years ago

hjlf

Answer:

Answer is below

Step-by-step explanation:

16ef³÷8e²f= $\frac{2f^{2}}{e}$

$\frac{24m^{2} n^{3} }{2mn} = 12m n^{2}$

$\frac{2k^{3} +k}{4k} =\frac{1}{2} k^{2} +\frac{1}{4}$

3 0

3 years ago

Anastasy [175]

Answer:

$c_{11}=56.1$

$c_{12}=12.1$

$c_{13}=236$

Step-by-step explanation:

The product of two matrices $X_{m\times{n}}$ and $Y_{n\times{r}}$ equals a matrix $M_{m\times{r}}$ , where the first element of the subscript represents the amount of files of the matrix and the second element represents the amount of columns of the matrix.
Then, in this case $A_{1\times{3}}$ $B_{3\times{3}}$ , therefore, its product will result a matrix $C_{1\times{3}}$ .
Because C matrix is going to have an only file and three columns, we now have to find the values of the elements in each column, based on the elements of A and B.
Commonly, to obtain the values of the resulting matrix, we just have to multiply each file of the first matrix by each column of the second matrix and sum, as follows: