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3 years ago

What is a line whos slope is -1/4

Mathematics

2 answers:

kodGreya [7K]3 years ago

7 0

Answer:

Step-by-step explanation:

Y=-1/4x+5

Ipatiy [6.2K]3 years ago

3 0

Y=-1/4x+5 hope it helps

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What does the variable X equal

Ray Of Light [21]

The variable x always equals 1

8 0

2 years ago

There are 321 kids on a field trip. There are 5 more girls than boys. How many girls are there? How many boys?

Ratling [72]

158 boys, and 163 girls, do this by dividing 321 by two(do get how many of each gender if #s were equal) subtract 2.5 to get boys, and add 5 to that to get girls

4 0

3 years ago

A= [2, 3; 2, 1], B=[3; 5]. Find AB & BA if possible

oksano4ka [1.4K]

Answer:

The value of AB is $\left[\begin{array}{ccc}21\\11\end{array}\right]$ and it's not possible to multiply BA.

Step-by-step explanation:

Consider the provided matrices.

$A=\left[\begin{array}{ccc}2&3\\2&1\end{array}\right]$ , $B=\left[\begin{array}{ccc}3\\5\end{array}\right]$

Two matrices can be multiplied if and only if first matrix has an order m × n and second matrix has an order n × v.

Multiply AB

Matrix A has order 2 × 2 and matrix B has order 2 × 1. So according to rule we can multiply both the matrix as shown:

$AB=\left[\begin{array}{ccc}2&3\\2&1\end{array}\right] \left[\begin{array}{ccc}3\\5\end{array}\right]$

$AB=\left[\begin{array}{ccc}2\times 3+3\times 5\\2\times 3+1\times 5\end{array}\right]$

$AB=\left[\begin{array}{ccc}6+15\\6+5\end{array}\right]$

$AB=\left[\begin{array}{ccc}21\\11\end{array}\right]$

Hence, the value of AB is $\left[\begin{array}{ccc}21\\11\end{array}\right]$

Now calculate the value of BA as shown:

Multiply BA

Matrix B has order 2 × 1 and matrix A has order 2 × 2. So according to rule we cannot multiply both the matrix.

We can multiply two matrix if first matrix has an order m × n and second matrix has an order n × v.

That means number of column of first matrix should be equal to the number of rows of second matrix.

Hence, it's not possible to multiply BA.

5 0

3 years ago

Pls help me tysmmmm~

PilotLPTM [1.2K]

Yes let’s go ahead with me a few days and

5 0

3 years ago

Jose earns a weekly salary of $322. How much does he make in 44 weeks?

ioda

Answer:

14168

Step-by-step explanation:

322 x 44 = 14168

hope this helps!

3 0

2 years ago