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Nataly_w [17]
3 years ago
14

Zara is serving a fresh pie. She starts by cutting the pit in half, and then cuts each half into 4 equal pieces. What fraction o

f the whole pie is each piece?
A. 1/2
B. 1/4
C. 1/8
Mathematics
2 answers:
Reptile [31]3 years ago
7 0
C.

If each 1/2 is cut in 4 than you would have to multiply that by 2 because it's only half. Then since you're finding what fraction is it you would put a 1 on top and say 1/8.
ANEK [815]3 years ago
4 0

Answer: Option C.

Step-by-step explanation:

1/4 divided by 1/8 = 2 times 1/8 = 1/4

Then.. you can just multiply both factors and get your answer 1/8?

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How many hours did jacoboys drive on Monday and Tuesday and in all?
melomori [17]
Looks like 10 and and a half if it's four it's 10 and a half if it 6 it's 12 and a half
7 0
3 years ago
Is matrix multiplication comutative?
konstantin123 [22]

Answer:

Matrix multiplication is not conmutative

Step-by-step explanation:

The matrix multiplication can be performed if the number of columns of the first matrix is equal to the number of rows of the second matrix

Let A with dimension mxn and B with dimension nxp represent two matrix

The multiplication of A by B is a matrix C with dimension mxp, but the multiplication of B by A is can't be calculated because the number of columns of B is not the number of rows of A. Therefore, you can notice that is not conmutative in general.

But even if the multiplication of AB and BA is defined (For example if A and B are squared matrix of 2x2) the multiplication is not necessary conmutative.

The matrix multiplication result is a matrix which entries are given by dot product of the corresponding row of the first matrix and the corresponding column of the second matrix:

A=\left[\begin{array}{ccc}a11&a12\\a21&a22\end{array}\right]\\B= \left[\begin{array}{ccc}b11&b12\\b21&b22\end{array}\right]\\AB = \left[\begin{array}{ccc}a11b11+a12b21&a11b12+a12b22\\a21b11+a22b21&a21b12+a22b22\end{array}\right]\\\\BA=\left[\begin{array}{ccc}b11a11+b12a21&b11a12+b12a22\\b21a11+b22ba21&b21a12+b22a22\end{array}\right]

Notice that in general, the result is not the same. It could be the same for very specific values of the elements of each matrix.

6 0
2 years ago
What is the answer to this question ?
Thepotemich [5.8K]

Answer: I honestly have no clue

Step-by-step explanation:

6 0
2 years ago
What are the roots of the equation? x^2(5x−7)(3x+2)=0
lisov135 [29]

x = 0, x = \frac{7}{5}, x = - \frac{2}{3}

since we have a product of factors equal to zero, equate each factor to zero and solve for x

x² = 0 ⇒ x = 0 ( multiplicity 2 )

5x - 7 = 0 ⇒ x = \frac{7}{5}

3x + 2 = 0 ⇒ x = - \frac{2}{3}


7 0
3 years ago
Read 2 more answers
Solve using elimination: 3x + 2y = -13 and 3x + 4y = 1
Nady [450]
Let’s put the second equation on top

3x + 4y = 1
-3x + 2y = -13

I’m subtracting the first eqautionfrom the second

2y = 14
Y= 7
Plug in 7 for y in either of the original equations

3x + 28 = 1
3x = -27
X= -9

The answer is (-9,7)
3 0
3 years ago
Read 2 more answers
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