The ratio of boys to girls in a class 4.5.If there are 5 more girls than boys,how many pupils are there in the class altogether

Q: 4 a. A bag contains 90 marbles, some transparent and some white. The ratio of transp marbles to…

A: Since you have posted multiple questions,so I am just answering the first question as per the…

Q: Select two ratios that are equivalent to 3 : 12. Choose 2 answers: 12:48 6: 18 4: 12 3:1 E 1:4

A: 3 : 12 = 3(1) : 3(4) = 1 : 4 (A) 12 : 48 = 12(1) : 12(4) = 1 : 4 Option (A) is correct. (B) 6 : 18 =…

Q: The ratio of dimes to pennies in a purse is 3 to 4. If 3 pennies are taken out of the purse, the…

A:

Q: 1) The number of comedy and action films that 4 friends have in their DVD collections is recorded in…

A: Given: The number of comedy and action films that 4 friends have in their DVD collections is…

Q: a) How many samples w b) How many had exactly one antigen vere represented? c) How many had exactly…

A: Providing the answer of first three parts if you want the answers of other parts then please give…

Q: 4. H 48 32 M 30 T. 44 A___~A.

A:

Q: 10 The ratio of men to women working for a company is 4 to 5. If there are 70 women working for the…

A: Find the total number of employees

Q: 9) The ratio of the number of Sam's CDs to the number of Alice's CD's is 7 to 8. Sam has 84 CDs.…

A: Given that, the ratio of number of Sam's CDs to the number of Alice's CDs is 7 to 8. Also, Sam has…

Q: Determine whether the ratios given In the first column are equivalent or not. Ratios Yes No 77 and…

A:

Q: he ratio of dogs to cats in the neighborhood was 2 to 5. If there were 10 Bogs, predict how many…

A:

Q: One group (A) contains 120 people. One-fifth of the people in group A will be selected to win $⁢100…

A:

Q: 6. The ratio of students to professionala ina conference is 2: 3. If there are 60 participants…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: (a) What proportion of those in the control group developed diabetes? i (b) What proportion of those…

A: HERE AS PER POLICY I HAVE CALCULATED 3 SUBPARTS here define events  control =c teplizumab =T…

Q: Find the value of z that would be used to test the difference between the proportions, given the…

A:

Q: The ratio of girls to boys in class is 9 to 7 and there are 80 students in the class. How many girls…

A: Given that: The ratio of girls to boys in class is 9 to 7 Let there are 9x girls and 7x boys in the…

Q: 2. There are 1,200 freshmen and 1,500 saphamores at a prep rally at noon. After 12 p.m., 20 freshmen…

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Q: A bicyclist rides 42 miles in 3 hours. At the same rate, how many miles x can the bicyclist ride in…

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Q: The National Research Council recommends keeping a 1 : 3 copper to zinc ratio in a horse's diet. If…

A:

Q: 3: Find increase or decrease in quantities in the given ratios: 40 Kg, 5:8 56 m, 8:7 35 Rs, 2.5:1…

A: We can answer the first three parts of the question as per the honor policy. Please resubmit the…

Q: In a car lot, the ratio of the number of new cars to the number of preowned cars is 6 to 5. The…

A: The necessary calculation are given in the picture Here is given that the ratio of new car & pre…

Q: At the ice cream shop, there are 14 shakes sold for every 6 malts. Record the ratios below

A: Given : Shakes = 14 and malts = 6

Q: Find the missing values in the ratio table. The Tea (cups) 3.75 Milk (cups) 1.5 1 3.5 2.5

A: Given, Tea(cups) 3.75       Milk(cups) 1.5 1 3.5 2.5 We have to find the missing  value in…

Q: When Charles was born, his father was 25 vears old. Five years ago, ete ratio of Charles' age to…

A: Let present age of Charles is x years. Then present age of Charles' father is x+25 years. Now Five…

Q: Suppose 12 quarts of pure antifreeze is mixed with 8 quarts of a solution that is 72% antifreeze.…

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Q: whether the pair of ratios forms a proportion.

A:

Q: 19. Compute for the Crude Death Rate (based on the picture) A. 39.43 B. 42 C. 29.53 D. 37. 68

A: The formula to find the crude death rate is, CDR=Number of deaths during a yearmid year…

Q: What proportion of the bottles will a. between 1.90 and 2.0 liters? b. between 1.90 and 2.10 liters?…

A: Given Information: The fill amount in 2 liter soft drink bottles is normally distributed with mean…

Q: In a certain math class one day the ratio of people wearing socks to sockless people was 8 to 3.…

A: We have given that  Total people=22 The ratio of people wearing socks to sockless people=8:3

Q: An aftercare program expects 50 children on a given day. How many staff should the center have work…

A: Here, for every 12 kids, 1 staff member is needed. Total number of kids is 50.

Q: 1) Identify the accurate proportion to solve for x. * 2 x x 9 Option 2 Option 1

A: we have find the accurate proportion to solve for x . For this we can simlir two triangle and get…

Q: (Given that ( A ) = ( B ) = ( C )=5· and 80% of A's are B's, 75% of A’s are C's, find the litits of…

A: The population can be divided into two categories based on the presence or absence of attribute. If…

Q: b) The ratio of green to white candles is 2:5. If there are 32 green candles, how many white candles…

A: Simple calculation

Q: 23. The present ages of Aman and Nina are 59 and 37 years, respectively. What was the ratio of the…

A: The present age of of Aman and Nina are 59 and 37 years. Age of Aman and Nina  13 years ago can be…

Q: A factory produces bicycles at a rate of 95 + 4812 – 4t bicycles per week (t in weeks). How many…

A:

Q: Find the value of x. 12 10 3x+9 5x Hint: Set up a proportion and cross multiply. Don't forget to…

A: A triangle is a polygon with three sides. In a triangle if a parallel line is drawn to one of its…

Q: A chef planning for a large banquet thinks that 2 out of every 5 dinner guests will order his soup…

A:

Q: How many birds are Pets in our class ¿Cuántos pájaros h What percentage of Dog Cat Horse Bird Mouse…

A: Here we have to use the dot plot to answer the following questions.

Q: In Raphael's class, there are 14 boys and 10 girls. Select whether each statement is true or false.…

A: Given that in the Raphael's class there are 14 boys and 10 girls. Therefore, the ratio of boys to…

Q: The table shows how many of each type of movie are being shown at a theater. Туре Number Thriller…

A: From the given information, it is observed that the number of action movies running in theater is 5…

Q: The client is to be given 1 gm of medication stat. You have on hand 500 mg of tablets. How many…

A:

Q: The model below shows the ratio of gray squares to white squares. Which of the following is not an…

A: Fraction form of ratio: The ratio a:b can be written in fraction form as ab. We have given ratio of…

Q: the ratio of yourgurt to ice cream sold at baskin robbions is 1.4 of the next 100 cones sold how…

A:

Q: A store has 175 pillows. They have 60 pillows of Brand A. What is the ratio of Brand A pillows to…

A: Answer

Q: A equivelent answer to ratio 7:3

A:

Q: A stair stringer is to be cut with a ratio of rise to run of 7 1/8"(seven and one eighth) to 11…

A: Calculating total run:

Q: If baby 1 gains 1.2 in one month, and baby 2 gains 400g in one month, what is the ratio?

A: If baby 1 gains 1.2 in one month, and baby 2 gains 400g in one month, what is the ratio?

Q: The proportion is not equivalent to which of the following? (1) ad cb a+b (4) c+d

A: Given: - The proportion is ab=cd, To choose:- The given proportion is not equivalent to which of the…

Q: Find the value of z that would be used to test the difference between the proportions, given the…

A: ANSWER:-  Given that,  n1 =381 X1 =312 n2 = 414 X2 = 326

Q: The sample of an element as a weight of 4.5 mg and a alf-life of approximately 5

A: Given half life    t12 = 5  years initial weight f(0) = 4,5 mg

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.