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4 years ago

Multiply: 6 x 2⁄8 (Write your answer as a fraction or a mixed number.)

Mathematics

2 answers:

Yuki888 [10]4 years ago

5 0

1 1/2 or 3/2
Hope it helps :)

Elis [28]4 years ago

4 0

6x2/8 equals to 1 1/2

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Several people form groups with four people in each group.Write an expression for the number of groups formed by p people. How m

Iteru [2.4K]

Answer:

Number of groups formed by 'p' people = $\frac{p}{4}$

Number of groups formed with 28 people = 7

Step-by-step explanation:

We are given that, there are 4 people in 1 group.

Now, at first we have to find the number of groups formed by 'p' people.

Here, we will use the unitary method.

Number of group formed with 4 people = 1

So, number of group formed with 1 person = $\frac{1}{4}$

∴ number of groups formed with 'p' people = $\frac{1}{4}\times\;p=\frac{p}{4}$

So, the required expression for the number of groups formed by 'p' people is $\frac{p}{4}$

Now, secondly we have to find the number of groups formed by 28 people.

As, we know that number of groups formed with 'p' people = $\frac{p}{4}$

Now, putting 'p' = 28 in the expression obtained above, we get

number of groups formed by 28 people = $\frac{28}{4} =7$

So, there are 7 groups formed with 28 people.

8 0

3 years ago

0=x^2+4x+1. Khan academy

34kurt

Now, to find 'x' you will apply the Null Factor Law. This means you will now let 'x' = 0, and simply move the -2 over to the other side to find your answer. Note: since we are using a perfect square, x will only have one value since there is only one answer (x-2) in the brackets, meaning in this case we can ignore the exponent (as the answers will be the same). If there was more than one answer in the bracket (e.g. (x-4) and (x-6)), then we would apply Null Factor Law to both brackets and solve for x.

(x−2)=5

x=5+2

x=7

4 0

3 years ago

Distribute 3(7y − 1)

Pepsi [2]

Answer:

it would be 28y minus 3

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Help please inscribe angles

gladu [14]

Answer:

278°

Step-by-step explanation:

m arc BAC = 360 -(2×41)

= 360 - 82 = 278°

8 0

3 years ago

[10] In the following given system, determine a matrix A and vector b so that the system can be represented as a matrix equation

irina1246 [14]

Answer:

$y=-\frac{158}{579}$

Step-by-step explanation:

To find the matrix A, took all the numeric coefficient of the variables, the first column is for x, the second column for y, the third column for z and the last column for w:

$A=\left[\begin{array}{cccc}1&1&2&2\\-7&-3&5&-8\\4&1&1&1\\3&7&-1&1\end{array}\right]$

And the vector B is formed with the solution of each equation of the system: $b=\left[\begin{array}{c}3\\-3\\6\\1\end{array}\right]$

To apply the Cramer's rule, take the matrix A and replace the column assigned to the variable that you need to solve with the vector b, in this case, that would be the second column. This new matrix is going to be called $A_{2}$ .

$A_{2}=\left[\begin{array}{cccc}1&3&2&2\\-7&-3&5&-8\\4&6&1&1\\3&1&-1&1\end{array}\right]$

The value of y using Cramer's rule is:

$y=\frac{det(A_{2}) }{det(A)}$

Find the value of the determinant of each matrix, and divide:

$y==\frac{\left|\begin{array}{cccc}1&3&2&2\\-7&-3&5&-8\\4&6&1&1\\3&1&-1&1\end{array}\right|}{\left|\begin{array}{cccc}1&1&2&2\\-7&-3&5&-8\\4&1&1&1\\3&7&-1&1\end{array}\right|} =\frac{158}{-579}$

$y=-\frac{158}{579}$

7 0

4 years ago