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Ann [662]
3 years ago
6

What is 3/8 x 16/7? i don't know. it is for my math homework?

Mathematics
1 answer:
liberstina [14]3 years ago
6 0
Multiply the top and bottom.

3/8 * 16/7 = 48/56

Simplified: 5/7
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A and B are n×n matrices. Check the true statements below: A. (detA)(detB)=detAB. B. The determinant of A is the product of the
Rudik [331]

Answer with Step-by-step explanation:

We are given that

A and B are matrix.

A.We know that for two square matrix A and B

Then, det(AB)=det(A)\cdot det(B)

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B. det A  is  the product of diagonal entries in A.

It is not true for all matrix.It is true for upper triangular matrix.

Hence, it is false.

C.\lambda+5=0

\lambda=-5

When  is a factor of the characteristics polynomial of A then -5 is an eigenvalue of A not 5.

Hence, it is false.

D.An elementary row operation on A does not change the determinant.

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8 0
3 years ago
What is 1/3 to the power of 2​
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Answer:

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Step-by-step explanation:

1/3 is going to be like

1^2

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7 0
3 years ago
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zhenek [66]

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The measures of three angles of a quadrilateral are 70, 125, and 89 degrees. Find the measure of the fourth one.

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4 0
3 years ago
Ann has 30% less money than Mary, and Jessica has 70% more than Mary. If the 3 of them have a (added up) total of $102, how much
Roman55 [17]
Let x be the amount of Ann money, y be Jessica's money and z Mary money. 
30% of z equates 0.3*z. 
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70% of z equates 0.7z. 
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Signe the total is $102, we deduce the equation x+y+z = 102. 
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x=0.7*30= 21 and y=1.7*30=51.

Ann has $21, Mary has $30 and Jessica has $51.
  
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3 years ago
Find the value of x in the isosceles triangle shown below. 12 10 Choose 1 answer:​
weqwewe [10]

Answer:

please complete your question. where is figure.

5 0
2 years ago
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