What does the improper fraction 4 10/8 break down to be in simplest form? this is 5th grade math..in relation to the topic "modeling addition and subtraction of mixed numbers." the original problem is 3 1/2 + 1 3/4=.. the 4 10/8 is the answer my daughter came up with. is this correct?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

[tex]5 \times1 \frac{12}{13} [/tex] me