1. The amount of paint p needed to paint the walls of a room varies directly as the area A of the wall. If 2 gallons of paint is needed to paint a 40 sq meter wall, how many gallons of paint are needed to paint a wall with an area of 100 sq meters?

Q: A cardiac patient cannot walk any faster that 2.0 mph, but she has been told that she must at 8…

A: Given, speed is 2.0 mph  she must exercise 8 METs. We know that 2.0 mph = 2×26.8=53.6 m/min

Q: The lengths and widths of the two cell phones are proportional. What is the width, in inches, of the…

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Q: Is  volume of soda in a bottle is a ratio variable?

A: Interval Scale there is order and the difference between two values is meaningful. Eg- temperature…

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: Given the following scatterplot representing the relationship between the number of employees…

A: The graph is as follow:

Q: the base of a rectangle is increased by 20% and the altitude is decreased by 10% by what percentage…

A:

Q: QUESTION 7 n aircraft with a landing speed of 200 km

A: In this question, the concept of acceleration is applied. Acceleration The rate at which an object…

Q: Tell whether the rates are equivalent  0.4 kilometers for every 15 minutes  0.6 kilometers for…

A: Find out that the following rates are equivalent or not. (I) 0.4 kilometers for every 15 minutes…

Q: The proportion of the variability in sales accounted for by the price of the product is

A: Given; summary of the fitted regression model between x=price and sale=y  Then to find proportion of…

Q: If Sara started at her house (4, 5) and walked to the grocery store (6,-4), how far (in kilometer…

A:

Q: 6. How many posts does it take to support a straight fence 200 yards long if a post is placed every…

A: Given: The length of the fence is 200 yard The post is at a difference of 20 yards.

Q: The shadow cast by an object on a sunny day is directly proportional to the height of the object. If…

A: Given, shadow cast by an object on a sunny day is directly proportional to the height of the object.…

Q: Your friend has two oak trees in his backyard. The shorter one is 33 feet tall, and the taller one…

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Q: The water company has a different monthly pricing plan for residential customers than for business…

A: Given graph

Q: If the base of a triangle is increased by 60%, find the percentage change in the height of the…

A:

Q: A two-inch-long grasshopper can jump a horizontal distance of 40 inches. An athlete, who is five…

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Q: Which pair of ratios is not proportional?

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Q: In an electrical circuit, the voltage across a resistor is directly proportional to the current…

A:

Q: When a drug such as a pain killer or an antibiotic is introduced into the​ body, the kidneys work to…

A: The solution is provided below.

Q: What expression represents the cost of one unit of electric fan at in fon is

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Q: 1) DE = 2) FE = 3) <FED = <

A: HERE, WE WOULD USE THE RULES OF CONGRUENCE.  WE ARE GIVEN TRIANGLE DEF IS CONGRUENT TO TRIANGLE DSR.…

Q: Suppose for a given distance, a tricycle driver charges Php 10.00 every passenger while a jeepney…

A:

Q: 9.) To water a lawn adequately, it takes approximately 554 gallons of water for every 500 square…

A: Calculation are as follows

Q: 13. Eli leaves San Antonio headir rate of 48 miles per hour. One hour later, Cynthia leave heading…

A: Make 2 equation and equate them

Q: What proportion of the variation in y can be explained by the variation in the values of x?

A: Here we have given the regression equation Y = 64.21X+ 44.09 and the correlation coefficient, r =…

Q: Which type of flour costs the least per pound?

A:

Q: Question 23 Calculate the Laspeyres Quantity Index, Lq. А 106.95 В 102.93 C 108.06 D 105.97

A: To find the laspeyres quantity index number formula is defined as below               Where, Lq =…

Q: If John has a body density of 1.058 kg/L, what is his body fat percentage? (Answer to 1 digit after…

A: According to SIRI equation the body fat percentage is, %fat = [(4.95/D) – 4.50] × 100, where D is…

Q: d. Convert 3km" to m² e. Convert 10°m to km. 12 f. Convert 10"mm-to mn".

A:

Q: Convert the rate 1 hour per 50 kilometers to meters per second. O 3,600 seconds per 50 meters O 125…

A: See the detailed solution below.

Q: ») Show that |A + B| < |A| + |B|.( Tringle quality).

A:

Q: An elephant weighs 15,000 pounds on Earth and 2,500 pounds on the Moon. Assuming the weights are…

A: Formula : Percentage of weight on moon =  ( Weight on moon/weight on earth)×100

Q: (part 3) If the "average" number of persons in each car on the road is 1.38 persons, which average…

A: If the "average" number of persons in each car on the road is 1.38 persons

Q: 17. 49 42 63 are 6x6 35 30 the val 18. Pittsburgh, Pennsylvania and State College, Pennsylvania are…

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Q: Given the following information, describe the variation. x3 1.5 0.5 0.3 5 10 30 50

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Q: The distance of Kal’s commute to work was reduced from 20 miles to 16 miles. By what percentage was…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: A taxi driver charged $2.40 for the first kilometer and $0.30 for every 12 km of part thereof. How…

A:

Q: In a certain company the ratio of men to women is 5:3. What is the fraction of employees that are…

A: Given that the ratio of men to women is 5:3

Q: a) white: 145 b) hispanic: 24 c) african-american: 20 d) asian: 11 The ratio of Asians to the…

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Q: 18. If the number of healthy fish f varies as the amount a of food available, how many fish would be…

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Q: How many  gallons of a plant food that  is 9% nitrogen must be  combined with smother plant  food…

A: Let x gallons of a plant food that  is 9% nitrogen must be  combined with smother plant  food that…

Q: If 1 t of watermelons consist of 94% of water, how much weight the same number of watermelons when…

A: In one watermelon, the percentage of water and watermelon will remain the same overall weight.

Q: Given that p is proportional to q and the fact that p = 270 when q = 54, determine the value of p…

A: P is proportional to Q then  P=cQ C is constant

Q: 2. 3. The price per kilogram of rice and the number of kilograms of rice to buy with P 500.

A: 3) For the given statement

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: The radius and the height of a right cylinder are each increased by 10%. Find the percentage…

A: Introduction :

Q: If a car averages 32 miles per​ gallon, how many kilometers per liter is​ this?

A:

Q: 3. How many posts does it take to support a straight fence 200 meters long if a post is placed every…

A: Given Data: 200 meters long if a post is placed every 20 meters? To find: How many posts does it…

Q: Two small window air conditioner units are purchased and put into opposite sides of a house. One…

A:

Q: (c). A vat contains 4000 litres of wine with an alcohol content of 10%. How much of this wine must…

A: