Dora found 6 less than 3 times the number of shells that Tess found at the beach. Let n represent the number of shells that Tess found. 1. If Dora found 18 shells, how many shells did Tess find?

Q: Benjamin bought tokens at a funfair. He used of them at the ring-toss booth and of the remaining…

A: Let x is the initial number of tokens. after ring toss  x-38x After Dart Booths…

Q: Thomas starts with $12 in his bank account. He adds $12 to his account at the end of every two weeks…

A: Given: Thomas starts with $12 in his bank account. He adds $12 to his account at the end of every…

Q: Thu is ordering supplies for her office. She orders 4 packages of pens and 5 packages of…

A: We are given plackets and items in which packet and thus we can compare both of the items.

Q: 14) A stray dog ate 12 of your muffins. That 3 was of all of them! With how many dic 10 you start?

A: We have to find no of muffins

Q: Is having a party and he wants to make a non-alcoholic cocktail. He has found a recipe which states…

A: Total people at the party = 24 Ingredients to serve 8 people 500 ml cranberry juice 500 ml grape…

Q: Sam had 2 fewer pets than 1/3 of the pets Denny had. How many pets does sam have

A:

Q: Mario needs to pick A daisies to make a bouquet. He has 8 dishes so far. He needs to pick 6 more…

A: Simple Addition

Q: Andy found that 25% of the weight of his apples was their cores. He also found that 20% of the…

A:

Q: 2 Patricia bought 4 apples and 9 bananas for $12.70. Jose bought 8 apples and 11 bananas for $17.70…

A:

Q: n! >2^ for Gll n34 E Prave.

A: We will use method of mathematical induction to prove the given inequality statement n! > 2n  for…

Q: 3. Marvin has 11 yards of cloth to make costumes for a play. Each costume requires 1½ yards of…

A:

Q: Lisa swam 3 times as many laps as Amanda. Brynne swam 10 more laps than Amanda. If Lisa and Brynne…

A: We need to find the number of laps Amanda swim

Q: x-bar = 45.5, s = 4.81, N = 50   1.) 17% thought of the class thought I was younger than what age?…

A: Given that, x-bar = 45.5, s = 4.81, N = 50

Q: How many of Ms. Smith's students earned an 82% or better on the last math test?

A: Given: 60% of her 25 students earned an 82% or better.

Q: 2. There were 330 people at a play. The admission price was $3 for adults and $1 for children. The…

A: Given: There were 330 people at a play. The admission was $3 for adults and $1 for children the…

Q: How many can x². y 19 - x + y = 18 if be? O A) 720 O B) 576 C) 288 O D) 144 O E) NONE

A:

Q: You are going to order some T-shirts and sun hats online for all the students in your class. Each…

A: Form a linear equation in one variable and solve for unknown.

Q: Lisa swam 3 times as many laps as Amanda. Brynne swam 10 more laps than Amanda. If Lisa and Brynne…

A:

Q: 6. Rachel found that 8 out of 30 classmates have green eyes. If there are 900 students in the…

A:

Q: Given : Find r12,.4 =.6 ľ13.4 =.5 23.4 =.7 r12.34 and r13.24

A:

Q: Lisa swam one less than 4 times as many laps as Amanda. Brynne swam 11 more laps than Amanda. If…

A: Given query is to find the number of laps swam by Amanda.

Q: A bag contains 40 red and green marbles. The number of green marbles, g, is 9 times the number of…

A:

Q: Lisa swam 3 times as many laps as Amanda. Brynne swam 10 more laps than Amanda. If Lisa and Brynne…

A:

Q: how many ways 3 students can be selected for a committee from 13 students ?

A:

Q: A grocery store sells salmon filets in packages that contain at least 3 filets of salmon, but no…

A:

Q: 3 Four students each guessed what fraction of an hour it would take to drive to the airport.…

A: The line is divided in 12 equal parts, therefore each part is of 112 R is 3 parts away so R guessed…

Q: On Saturday afternoon, Armand sent nt text messsagees each hour for 5 hours, and Tyrone sent p text…

A: We have to find total number of messages send by Armand and Tyroon: Since,  Armand se sent "m" Text…

Q: Given: R. 23 30° A R= 04 v3 02 v3 B.

A:

Q: Determine the number of ways each can occur. 32. Choosing 4 out of your 8 shirts for a vacation. a)…

A: When the order doesn't matter, it is a Combination. When the order does matter it is a Permutation.…

Q: Rachel has 17 apples. She gives 9 to Sarah. How many apples does Rachel have now?

A: Given that Rachel has 17 apples. Rachel gives 9 apples to Sarah.

Q: n swimming events, a mile in the pool is considered to 1600 meters. How many meters separate a…

A: A swimmer mile is 1500mts  The actual mile is 1600mts

Q: Q12 MCQ . If the number of employed persons in a country equals 24 million, the number of…

A: The given problem is percentage related so I used the formula for percentage to find the required…

Q: Lisa swam 6 more laps than Amanda. Brynne swam one more than twice as many laps as Amanda. If Lisa…

A: Given that Lisa swam 6 more laps than Amanda. Brynne swam one more than twice laps than Amanda. Lisa…

Q: D35. Maria's penny collection contains three Indian head pennies for every 30 Lincoln 21 pennies. If…

A: Given that: Number of Lincoln Pennies for every Indian head pennies = 30Total number of Lincoln…

Q: o 14. A shop has one-pound bags of peanuts for $2 and three-pound bags of peanuts for $5.50. If you…

A:

Q: Alisha has 9 fewer sweets than jenna they have 35 sweets altogether . how many sweets does Alisha…

A: As per guideline expert have to answer first question only

Q: Fred bought 3 shirts and a tie. He remembers each shirt was $25, and the total cost was $85. How…

A:

Q: A teacher wants to assign 4 different tasks to her 4 students. In how many possible ways can she do…

A: There are 4 tasks and 4 students.  She can assign the first task in 4 ways.  She can assign the…

Q: Monica had some cookies. She gave 7 to her sister. Then, she shared half of the remaining cookies…

A: Let's suppose Monica had initially x cookies. Now ,form the equation according to question.

Q: OIgnacio buys three types of fish. He buys 9 mollies, and 15 swordtails. He plans to divide the fish…

A: Greatest Common Divisor: The greatest common divisor of two or more integers is defined as the…

Q: 5. Tickets for the Valentine Dance cost $3 per person or $5 per couple. If $475 worth of tickets…

A: Let the number of single persons attended the dance = x Let the number of couples attended the dance…

Q: Jorge gives 3 chocolate bars to his friends. He gives 1/12 of 1 chocolate bar to each friend.  How…

A: Given, Jorge gives 1/12 of 1 chocolate bar to each friend.  That means he gives, 1 chocolate bar to…

Q: 20. If the ride lasts for 2 minutes, how many times will a person be at the top of the wheel ? C. 3…

A: Given: h(t)=48+40 sin πt-816To find how many times will a person be at the topof the wheel

Q: 25 Patricia bought 5 apples and 7 bananas for $12.65. Jose bought 10 apples and 8 bananas for $18.10…

A: Let, the cost of one apple is $x and the cost of one banana is $yPactricia bought 5 apples and 7…

Q: 2 Stefanie bought a package of pencils for $1 .75 and some erasers that o $0.25 each. She paid a…

A: See the attachment

Q: A woman has $1.7 in dimes and nickels. She has 5 more dimes than nickels. How many nickels does she…

A:

Q: Kevin is putting together information packets to give to parents at open house. He can put together…

A: Given Kevin takes 20 minutes to put together 12 info packets We need to find M minutes to put…

Q: X and S.D. for 100 items is 40 and 5:1. But one item was recorded as 50 instead of 40. Find correct…

A: Given : mean = 40 S.D = 5.1 n = 100

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.