Question

. Use either substitution Four footballs elimination method to solve the word problem. subst one football three soccer balls cost $186. One football and five would use to solve the system. U substitution or elimination a soccer ball. soccer balls cost $174) Hoem U to determine how much it would cost for the football and [6 Let f represent the cost of a football. Let s represent the cost of a soccer ball

183

likes
915 views

Answer to a math question . Use either substitution Four footballs elimination method to solve the word problem. subst one football three soccer balls cost $186. One football and five would use to solve the system. U substitution or elimination a soccer ball. soccer balls cost $174) Hoem U to determine how much it would cost for the football and [6 Let f represent the cost of a football. Let s represent the cost of a soccer ball

Expert avatar
Maude
4.7
107 Answers
\text{Given:} \, f + 3s = 186 \, \text{and} \, f + 5s = 174

\text{Subtracting equations:} \, (f + 5s) - (f + 3s) = 174 - 186

2s = -12

s = \frac{-12}{2}

s = -6

\text{Substituting } s = -6 \text{ into } f + 3s = 186

f - 18 = 186

f = 204

\text{Answer:} \, f = 204, \, s = -6

Frequently asked questions (FAQs)
What is the value of sin(45°) + cos(60°) * tan(30°)?
+
What are the basis vectors for a 3-dimensional space?
+
Question: "Simplify the expression (3 1/4 + 5 3/8) - (2 2/3 + 1 5/6) ÷ 2. Factorize the resulting number using prime factors. How many real numbers are between its square root and its cube root?"
+
New questions in Mathematics
Using a remarkable product you must factor the expression: f(x) =36x^2-324 and you are entitled to 5 steps
If we have the sequence: 3, 6, 12, 24 Please determine the 14th term.
X^2 = 25
The Lenovo company manufactures laptop computers, it is known that for every 60 laptops produced, 54 go on the market with the highest quality standards. If a sample of 15 laptops is taken, calculate the probability that: Exactly 2 are not of high quality
A soft drink machine outputs a mean of 23 ounces per cup. The machines output is normally distributed with a standard deviation of 3 ounces. What is the probability of filling a cup between 26 and 28 ounces round your answer to four decimal places
(2x+5)^3+(x-3)(x+3)
"If three wolves catch three rabbits in three hours, how many wolves would it take to catch a hundred rabbits in a hundred hours?" The answer is the number of response units.
The actual length of an object is 1.3 m . If the blueprint uses a scale of 1 : 12 , what is the length of the line on the drawing?
A pair of die is thrown and the absolute difference of the two scores is recorded. What is the probability of the absolute difference being 4 or more?
You are the newly appointed transport manager for Super Trucking (Pty) Ltd, which operates as a logistics service provider for various industries throughout southern Africa. One of these vehicles is a 4x2 Rigid Truck and drawbar trailer that covers 48,000 km per year. Use the assumptions below to answer the following questions (show all calculations): Overheads R 176,200 Cost of capital (% of purchase price per annum) 11.25% Annual License Fees—Truck R 16,100 Driver Monthly cost R 18,700 Assistant Monthly cost R 10,500 Purchase price: - Truck R 1,130,000 Depreciation: straight line method Truck residual value 25% Truck economic life (years) 5 Purchase price: Trailer R 370,000 Tyre usage and cost (c/km) 127 Trailer residual value 0% Trailer economic life (years) 10 Annual License Fees—Trailer R 7,700 Fuel consumption (liters/100km) 22 Fuel price (c/liter) 2053 Insurance (% of cost price) 7.5% Maintenance cost (c/km) 105 Distance travelled per year (km) 48000 Truck (tyres) 6 Trailer (tyres) 8 New tyre price (each) R 13,400 Lubricants (% of fuel cost) 2.5% Working weeks 50 Working days 5 days / week Profit margin 25% VAT 15% Q1. Calculate the annual total vehicle costs (TVC)
The maximum gauge pressure of a hydraulic ramp is 16 atm, with a support area whose diameter is 20 cm. What is the mass of the heaviest vehicle that can be lifted?
A vaccine has a 90% probability of being effective in preventing a certain disease. The probability of getting the disease if a person is not vaccinated is 50%. In a certain geographic region, 60% of the people get vaccinated. If a person is selected at random from this region, find the probability that he or she will contract the disease. (4 Points)
Let v be the set of all ordered pairs of real numbers and consider the scalar addition and multiplication operations defined by: u+v=(x,y)+(s,t)=(x+s+1,y+t -two) au=a.(x,y)=(ax+a-1,ay-2a+2) It is known that this set with the operations defined above is a vector space. A) calculate u+v is au for u=(-2,3),v=(1,-2) and a=2 B) show that (0,0) #0 Suggestion find a vector W such that u+w=u C) who is the vector -u D) show that axiom A4 holds:-u+u=0
Two minus log 3X equals log (X over 12)
-1%2F2x-4%3D18
-5x=115
How do you convert a fraction to a decimal
The average weekly earnings in the leisure and hospitality industry group for a re‐ cent year was $273. A random sample of 40 workers showed weekly average ear‐ nings of $285 with the population standard deviation equal to 58. At the 0.05 level of significance can it be concluded that the mean differs from $273? Find a 95% con‐ fidence interval for the weekly earnings and show that it supports the results of the hypothesis test.
-6 - t / 4 = -1
Emile organizes a community dance to raise funds. In addition to paying $300 to rent the room, she must rent chairs at $2 each. The quantity of chairs rented will be equal to the number of tickets sold. She sells tickets for $7 each. How much should she sell to raise money?