Mathematics, 09.04.2021 14:30, sl1010

Expand expression (3x-7)(2x+7), without using long multiplication find 53×47

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, 0145813

Answer this question, only if you know the answer. 30 points and brainliest!

Answers: 1

continue

Mathematics, 21.06.2019 21:00, Rebelyfe4175

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Answers: 2

continue

Mathematics, 21.06.2019 21:00, lunnar2003

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

Answers: 3

continue

Mathematics, 21.06.2019 21:30, amesha62

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Answers: 1

continue

Do you know the correct answer?

Expand expression (3x-7)(2x+7), without using long multiplication find 53×47
...