Emily has n pairs of shoes in her closet (so 2n total shoes). How many ways are there for her to choose r shoes so that none are matching pairs?

Q: Q5. If 12 students from a 1st-grade class are lining up to enter the cafeteria line for lunch, how…

A: Solution: There are total of 12 first grade class students. For the first student  to enter the…

Q: Maria has 10 different photos, and she wishes to arrange 5 of them in a row. In how many ways can…

A: Giventhere are 10 different photos

Q: How many ways a 6 member team can be formed having 3 men and 3 ladies from a group of 6 men and 7…

A: Given, There are 6 men and 7 ladies. We have to find the number of ways a 6 member team can be…

Q: An ice cream store sells 24 flavors of ice cream. Determine the number of 7 dip sundaes. How many 7…

A: Given that: Number of icecream flavours = 24.

Q: 1200 freshmen enrolled in a big university. If there are 50 more males than females. How many male…

A: We have to find number of male freshmen.

Q: An ice cream store sells 23 flavors of ice cream. Determine the number of 7 dip sundaes. How many 7…

A: Given that  Number of flavours of ice cream sold=23 To determine the number of 7 dip sundaes.

Q: An ice cream store sells 21 flavors of ice cream. Determine the number of 6 dip sundaes. How many 6…

A: Given, Ice cream store sells 21 flavours  This problem is solve using Combinations. In Combinations,…

Q: Peter has some candies. He places 2/3 of his candies equally into 12 small boxes, and the rest…

A: Let Peter have x candies in total.

Q: In a mathematics class, eighteen students received an A on the third test, which is 150% of the…

A:

Q: Cardo has six different jackets. If he cannot wear the same jacket on tro consecutive days, how many…

A: If we have n objects that have to be assigned to r slots then the number of ways to do it will…

Q: 1. THERE ARE 32 COINS IN A PIGGY BANK CONSISTING OF PENNIES, DIMES, AND QUARTERS, T HE TOTAL VALWE…

A: 1 pennies is equal to 0.01 dollar. One dime is equal to $0.10 1 quarter is equal to $ 0.25 in given…

Q: Two couples​ (Adam/Brenda and​ Carl/Darlene) have bought tickets for four adjacent seats to see a…

A: Given,no.of women=2no.of men=2Total no.of people=4

Q: Valeria has 3 cheeses to arrange on a cheese board. She would like to arrange them in a row. In how…

A: Given problem Given that   Valeria has 3 cheeses to arrange on a cheese board . She would like to…

Q: For a particular event, 873 tickets were sold for a toal of $2178. If students paid $2 per ticket…

A:

Q: A teacher has 30 students in his class he has been given funds to take 5 students to the museum of…

A: Given, total number of students in class=30teacher has been funds to take 5 students to the museum…

Q: In a party, there are 10 people with white shirts and 8 people with red shirts; 4 people have black…

A:

Q: at pizzas pi, 40% of the pizzas made last week had extra cheese. if 10 pizzas had extra cheese, how…

A:

Q: Two participating teams each received 5 litres of water for an outdoor activity on a certain day.…

A:

Q: Aiko loves to have friends over for "Sushi night" where she rolls her own sushi based on her guests…

A: Given,Total no.of ingredients=19

Q: An ice cream store sells 28 flavors of ice cream. Determine the number of 6 dip sundaes. How many 6…

A: The solution are next step

Q: Oday is making trial mix out of 168 bags of cement and 252 bags of sand. He wants each new portion…

A:

Q: 5. Phyllis sold 85% of the store's pair of sunglasses on Friday. If she sold 51 pairs of sunglasses…

A: Total number of sunglasses sold = 51 pairs Let total number of sunglasses in store be x. Percentage…

Q: The public library has volunteers shelve books after they have been returned. When Lisa arrives to…

A: We are given that there are 5 non-fiction books for every 9 fiction books. Now, we are asked the…

Q: An ice cream store sells 22 flavors of ice cream. Determine the number of 7 dip sundaes. How many 7…

A: Given that Number of flavours of ice cream sold =22 To determine the number of 7 dip sundaes.

Q: While reviweing the previous days arrest report, a police sergeant notices that six suspects were…

A:

Q: An ice cream shop examines the orders of his customers, and noticed that: • All his customers bought…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: b. A total 820 tickets were sold for a game for a total of $9,128. If adult's tickets were sold for…

A: # as per the guidelines we are entitled to solve one question at a time , please resubmit the other…

Q: he capacity of an elevator is either 25 children or 19 adults. If 6 children are currently in the​…

A:

Q: An ice cream store sells 25 flavors of ice cream. Determine the number of 6 dip sundaes. How many 6…

A:

Q: Two participating teams each received 5 litres of water for an outdoor activity on a certain day.…

A: First team have 5 liters of water, out of that 4.34 liters were used. So the water left by the first…

Q: es. u go to the cafeteria for lunch and have a choice of 4 entrees, 5 sides, 5 drinks, and 4 =serts.…

A: Given choice of 4 entrees, 5 sides, 5 drinks,  4 desserts.

Q: If you have 3/12 of an orange how many fourths do you have?

A:

Q: An ice cream store sells 20 flavors of ice cream. Determine the number of 4 dip sundaes. How many 4…

A: To determine the number of 4 dip sundaes ice cream if the order is not considered and no flavor is…

Q: A shelter rescues 4 cats for every 5 dogs. If they rescued 48 cats how many dogs did they rescue?

A:

Q: 11 There were some red, black and blue pens in a drawer. of the pens were red 1 and the number of…

A:

Q: Selecting 2 students with replacement from a group of 20 students has the following number of…

A: Permutation: A permutation of a set is defined as an arrangement of its members into a sequence or,…

Q: For a trip, eli packed 3 shirts, 3 pairs of pants, and 2 pairs of shoes. how many different outfits…

A: For a trip, eli packed 3 shirts, 3 pairs of pants, and 2 pairs of shoes.

Q: A piggy bank contains P1, P5, and P10 totaling P100. There are 26 coins in all and there are 2 more…

A: Given ,  A piggy bank contains P1, P5, and P10 totaling P100 There are 26 coins in all and there are…

Q: A basket holds n apples. You pick (2n-3) apples, and your friend picks (n+4) apples. 1. How many…

A: A basket holds n apples. You pick (2n-3) apples, and your friend picks (n+4) apples. Then, we have…

Q: Ann has $10. After spending $x on snacks , she has less than $5 left

A: Given:- Ann has 10$ Now, she has less than 5$

Q: (a) How many students take none of the 3 courses? (b) How many students take Calculus alone?

A: HERE WE USE VENN DIAGRAM TO ANSWER THE QUESTION BELOW

Q: of the students at WPCS take the bus. There are 68 more students who walk than take the bus. of the…

A:

Q: Purchasing Earl is ordering supplies. Yellow paper costs $4.00 per ream while white paper costs…

A:

Q: How many ways can 2 people sit in a row of 6 chairs? The number of ways 2 people can sit in a row of…

A:

Q: At a deli counter, there are 7 sandwiches with meat and 6 vegetarian sandwiches. Diane is at the…

A:

Q: At a deli counter, there are 7 sandwiches with meat and 10 vegetarian sandwiches. Milan is at the…

A:

Q: In a P.T.A. meeting with 150 parents, there were four times as women as men. How many men were in…

A: Total persons ( parents) = 150 Let  Number of Women  = x Number of men's = 4 times as women…

Q: and 4 batches of The cookie recipe calls for 3 cups of The brownie 7. is for She is to make 3 of…

A: Given chip cookies 3 batches and brownie 4 batches.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.