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Three tanks,A,B,C are used to store oil. Tank A contains 'n' litres of oil. Tank B contains (n+150) litres of oil. Tank C is empty. Oil is pumped from tank A and from tank B into tank C so that all three tanks contain the same amount of oil. 500 litres of oil are pumped from tank A into tank C. work out the value of 'n'.
General
8 months ago
a square swimming pool is surrounded by a cement walkway with a uniform width.The swimming pool has a side length of (x-2) feet. The side length of the entire square area including the pool and the walkway is (x+1) feet. Write an expression for the area of the walkway. Then find the area of the cement walkway when x=7 feet.
General
8 months ago
the sum of 5 consecutive even numbers is 200. What is the fifth number in this sequence?
General
8 months ago
school X and school Y play each other in a competition. School X has eight more points that school Y . School X has three times as many points as school Y. How many points does each school have?
General
8 months ago
Two containers A and B begin with equal volumes of liquid. 120 ml is then poured from A to B. Container B now contains 4 times as much liquid as A. Find the volume of liquid left in container A at the end.
General
8 months ago
Which of the choices below follow an exponential pattern? Select all that apply.division of skin cells every half hoursmall graph of y+x^2y= 4 times 3^xdriving at a constant rate of 55 mphy=2x^3GRAPHx y5 76 107 13 8 16
General
8 months ago
Unit 4 midFind the Perimeter of the triangle. Round 2 decimal places.
General
8 months ago
PLEASE HELPFor the graphed function f(x) = −(3)x − 1 + 3, calculate the average rate of change from x = 1 to x = 3.
General
8 months ago
A chemical decays in such a way that the amount left at the end of each week is 30% less the the amount at the beginning of that same week. What percent of the original amount is left after 3 weeks?
General
8 months ago
Hal used the following procedure to find an estimate for Step 1: Since and and 81 < 82.5 < 100, is between 9 and 10. Step 2: Since 82.5 is closer to 81, square the tenths closer to 9. Step 3: Since 81.00 < 82.5 < 82.81, square the hundredths closer to 9.1. Step 4: Since 82.5 is closer to 82.62 than it is to 82.44, 9.09 is the best approximation for . In which step, if any, did Hal make an error? In step 1, is between 8 and 10 because 80 and . In step 2, he made a calculation error when squaring. In step 4, he made an error in determining which value is closer to 82.5. Hal did not make an error.
General
8 months ago
A parallelogram has height 45 cm and base 60 cm.a.find its area.b.what is the base and height of a parallelogram with twice the area?c.what is the base and height of a parallelogram with one-half the area?
General
8 months ago
15 POINTS AND BRAINLIEST ANSWER!!The mass of 4.5 cm3 of iron and 8 cm3 of copper is equal to 101.5g. The mass of 3 cm3 of iron is 6.8g greater than the mass of 2 cm3 of copper. Find the density of iron and the density of copper.Technological advances in farming made it possible to increase the crop of potatoes from 1 acre by 4 tons. As a result, from a field of 320 acres 640 tons of potatoes more were collected than before from a field of 400 acres. How many tons of potatoes were collected before the new methods and how many after the introduction of the new technology?I am having trouble with both questions. Please Help With Both!
General
8 months ago
evaluate the following expression. round your answer to two decimal places
General
8 months ago
The formula m = 12,000 + 12,000rt 12t gives Keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. What is Keri's monthly loan payment if she gets a 5% loan for 4 years? $ per month
General
8 months ago
WILL REWARD BRAINLIEST! The table below shows the cubes of different numbers: Number (x) 3 −3 5 −5 Cube of the number (y) 27 −27 125 −125 Part A: Does the table represent y as a function of x? Justify your answer. (5 points) Part B: The total cost f(x), in dollars, for renting a car for x days is shown below: f(x) = 27x + 18 What is the value of f(6) and what does f(6) represent? (5 points)
General
8 months ago
Marilyn knows that she needs $45,000 for a down payment on a house. She found an investment that earns 3.15% interest compounding monthly. She would like to purchase the home in 5 years. How much should she put in the account now to ensure she has her down payment? $38,450.39 $30,871.96 $44,296.89 $52,665.27Can you explain how to do it? Thanks :)
General
8 months ago
The table shows the number, expressed in millions, of citizens who moved in 2004, categorized by where they moved and whether they were an owner or a renter. find the probability, expressed as a decimal rounded to the nearest number of people in a certain country who moved in 2004, in millions moved to same region moved to different region moved to different country owner 11.6 11.6 2.7 2.7 0.4 0.4 renter 18.7 18.7 4.5 4.5 1.0 1.0 hundredth, that a randomly selected citizen who moved in 2004 was a person who moved to a different region to a different region.
General
8 months ago
In an 8 hour and 30 minute shift a patrolman drove 272 miles. What was his average rate (miles per hour) during the shift? Use the formula: Distance = Rate x Time
General
8 months ago
Cameron drinks 2,000 milliliters of water every day. How many liters will he drink in seven weeks?
General
8 months ago
Write the expression as a single logarithm. 5logby + 6 log b x
General
8 months ago
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