Mathematics, 03.11.2020 23:00, lex3340
Allie and Sam are ophthalmologists. Allie found that 40% of the 170 patients she saw in a week were near-sighted. Sam found that 25% of the 236 patients he saw in a week were near-sighted.
a. How many of the patients Allie saw were near-sighted? Find the number of near-sighted patients that Allie saw.
b. How many of the patients Sam saw were near-sighted? Find the number of near-sighted patients that Sam saw.
Answers: 1
Mathematics, 21.06.2019 15:00, maraa013001
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 β 4x + 8x^2) + (β6 + 2x β 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x β 5 β 7x^2) β (β2 + 6x^2 β 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by β1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
Mathematics, 21.06.2019 16:30, nockturnal1993
Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets, x, and the number of student tickets, y. find the solution and explain what it means. i'll you if you me
Answers: 1
Mathematics, 21.06.2019 21:00, Gabriel134
Gabriel determined that his total cost would be represented by 2.5x + 2y β 2. his sister states that the expression should be x + x + 0.5x + y + y β 2. who is correct? explain.
Answers: 3
Mathematics, 21.06.2019 21:30, jerenasmith77
Are the corresponding angles congruent? explain why or why not.
Answers: 2
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