At the beginning of spring, Anthony planted a small sunflower in his backyard. When it was first planted, the sunflower was 5 inches tall. The sunflower then began to grow at a rate of 1.5 inches per week. How tall would the sunflower be after 9 weeks? How tall would the sunflower be after w weeks?

Q: it takes angela 2hrs longer to do a certain job than it takes cat. They worked together for 3hrs,…

A: Let t = time required by cat to do the jobthen (t+2) = time required by angela to do the job

Q: David reads 40 pages of a book in 80 minutes. How many pages should he be able to read in 120…

A: It is unitary method.

Q: The rate of a small aircraft in calm air is 125 mph. If the wind is currently blowing south at a…

A:

Q: In a certain bacterial culture where the rate of growth of bacteria is proportional to the number…

A:

Q: d) An 800-liter tank is half full of water is being filled with water pumped at the rate of 45…

A: We have, an 800-liter tank is half full of water and is being filled with water pumped at the rate…

Q: Stan and Hilda can mow the lawn in 40 min if they work together. If Hilda works twice as fast as…

A:

Q: Allen runs 8 miles in 3 hours at a steady pace. How long does it take him to run 3 miles?

A: speed is calculated by the formula,

Q: At the beginning of spring, Caroline planted a small sunflower in her backyard. When it was first…

A:

Q: A goliath grouper at the local aquarium ate 112 fish over the course of 8 hours. At this rate how…

A: our objective is to find  how many fish can he eat in 3.5 hours .

Q: Help The number of mosquitoes in a lake area after an insecticide spraying decreases at a rate of…

A: Given,

Q: Mrs. Jackson traveled to a city 390 miles from his home to attend a meeting. Due to car trouble his…

A:

Q: A pot of boiling soup with an internal temperature of 100° Fahrenheit was taken off the stove to…

A:

Q: A total of $18000 is invested, part of it at 6% and the rest at 9%. The totalinterest after one year…

A: Let $x was invested in 6% and (18000-x) in 9% So total interest earned after 1 year is: 6% of x + 9%…

Q: An investor invests 5000 dollars at 10% and the rest at 5%. How much was invested at 5% if the yield…

A: An investor invests 5000 dollars at 10%, which is one-fifth of the amount.

Q: you run the first 2 miles of a 5 mile at a rate of 300 yards per minute. Then you run the last 3…

A:

Q: Q: A father walks 36 miles in 12 hours. While his son covers the same distance on a bicycle at twice…

A: solution:- father walks 36 miles in 12 hoursfather's speed , VF=36 miles12 hours=3 miles/hourson…

Q: A diver was 5 feet below sea level. He dove deeper at a rate of 5 3/8 feet per minute. What was the…

A:

Q: Devontre rode his bike uphill 5 miles and then back downhill. The rate at which Devontre traveled…

A: Let his uphill rate is = x mph So his downhill rate is = x+20  Distance= 5 miles in each case.

Q: In year 1931, the population of Sri Lanka is 24M. in 1945, its population rise to 82M. Assuming that…

A:

Q: A ski resort can manufacture enough machine-made snow in 4 h to open its steepest run, whereas it…

A: The time taken for the ski resort to manufacture machine made snow is 4 hours.The time taken for the…

Q: A pitcher of buttermilk initially at 25°C is to be cooled by setting it on the front porch, where…

A:

Q: At the beginning of spring, Samantha planted a small sunflower in her backyard. When it was first…

A: Given: Samantha planted a small sunflower in her backyard. When it was first planted, the sunflower…

Q: The half-life of the drug Morphine in the blood is 120 minutes. If 75 mL are given to a patient at…

A:

Q: A ship has wrecked and its crew of 300 men has been left stranded on a dessert island. The food will…

A: In equation we are equating two sides left hand side and right hand side. It contains variable,…

Q: A runs 7/4 times as fast as B. if A gives B a start of 84 miles , how far must the winning post be…

A:

Q: The 50% of the 3rd Quarter grades in Mathematics of the Grade 10 Students is less than or equal to…

A: For a set of observations, median is defined as the middle most value. In other words, median is a…

Q: The size of the beaver population at a national park increases at the rate of 5.1% per year. If the…

A: Given query is to find population of beaver after 4 years.

Q: Ana is five years older than Beth. In five years, the product of their ages is 1.5 times the product…

A: Given problem:- Ana is five years older than Beth. In five years, the product of their ages is 1.5…

Q: The temperature of an ingot of silver is60°C above room temperature right now. Twenty minutes ago,…

A: Given: The temperature of an ingot of silver is 60°C above room temperature. Also, the temperature…

Q: Ella's motorboat can travel 35mi/h in still water. If the boat can travel 6 miles downstream in the…

A: Given:-Speed of motorboat in still water                = 35mi/h

Q: For a substance C, the time rate of conversion is proportional to the square of the amount of…

A: Given: For substance C, the time rate of conversion is proportional to the square of the amount of…

Q: d. At 9:30 pm it had been snowing at a rate of 1.5 inches per hour for * hours. The TOTAL…

A: Given, At 9:30 pm it had been snowing at a rate of 1.5 inches per hour for 4.5 hours.

Q: At the beginning of spring, Madeline planted a small sunflower in her backyard. When it was first…

A: Given initial height of sunflower plant, he = 10 inches   Also, the sunflower grows at a rate of 1…

Q: How long will it take for R250 to accumulate to R393. 75 at 11.5% pa?

A: Note: It is assumed that the interest is simple interest.   When the interest is simple, the formula…

Q: Andy is training for a kayak competition between Molokai and Oahu. He knows his speed is 8 mph with…

A:

Q: A college student takes the same number of credits each semester. She had 9 credits when she…

A: Given,          A college student takes the same number of credits each semester. She had 9 credits…

Q: It takes Manu twice as long to clean the pool as it takes Ander. If it takes Ander t hr to clean the…

A: Given:Manu takes twice as long as to clean the pool as it takes by Ander.Let Ander takes t hr to do…

Q: A microorganism population quintuples every 10 minutes. If the count of microorganisms is 500 at t =…

A: In this question we have to find count of microorganism after 10 minutes.

Q: The temperature of an ingot of silver is 60°C above room temperature right now. Twenty minutes ago,…

A: Given,The temperature of an ingot of silver is 60°C above room temperature right now and it was 70°C…

Q: The number of water lilies at the lake is doubling each day. If they covered the whole lake in 24…

A: 23 days were needed to cover half of the lake.

Q: The magnitude of earthquake A is 3.8. If earthquake B is 10,000 times as intense as earthquake A,…

A: The solution is given below :

Q: A company produces boxes that are 5 feet long, 4 feet wide, and 3 feet high. The company wants to…

A: Let the increased amount is x feet. So new dimensions are (5+x) feet , (4+x) feet , (3+x) feet

Q: A bottle of soda at room temperature 72 °F is placed in a refrigerator where the temperature is 44…

A: As per our guidelines, we are allowed to answer only one question. As you have asked two questions,…

Q: Blake is doing laps around a track. Blake can run 3 miles per hour faster than he can walk around…

A:

Q: liver traveled 100 km at a certain speed. In going back, he increased his speed by 10 km/hr. If it…

A: Given :Oliver traveled at a certain speed = 100 kmIn going back, he increased his speed by 10…

Q: A total of $⁢5000 is invested: part at 5% and the remainder at 15% How much is invested at each rate…

A:

Q: Mr. Joy drove 60 miles from city A to the city B at 40 mph. He then drove back to City A at a higher…

A:

Q: Sarita uses 625 feet of string to make 500 necklaces of the same size. At what rate how many feet of…

A: See the attachment

Q: Juliana invested $5,100 at 6.50% p.a. simple interest. How many days will it take for her investment…

A: The formula to calculate the simple interest is defined as follows:

Q: A total of $9000 is invested, part of it at 10% and the rest at 12%. The totalinterest after one…

A:

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.