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GarryVolchara [31]
2 years ago
10

The number of students who picked football and rugby are in the ratio of 4:3 The number of students who picked rugby and tennis

are in the ratio of 12:25 150 students picked tennis.Work out how many students picked football.
Mathematics
1 answer:
lesya692 [45]2 years ago
7 0

This question makes no sense, If you mean we are trying to find Rugby,  then yes I get that but, Football was only mention once, and once only. I think it's possibly 72 students chose Rugby. The First equation is basically useless unless you are given an Idea of the fact that we need to use the first equation. If that is the case then 12 people chose football. If I didn't help I apologize for that but I was given a question I couldn't make sense of.

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I need help with this please i have a test
zaharov [31]
Equation : (7x-4)+(3x-3)+(x) = 180
In the equation the sum of the internal angle in the triangle is 180 degrees. Use this equation to figure the sum of angle in any quadrilateral 180*(number of sides-2)
Solve the equation
Put all similar variable on one side
7x+3x+x-4-3=180
11x-7=180
11x=180+7
11x=187
x = 187/11
x = 17
Now find the angles by plugging in x
Angle F (7*17-4) = 115 degrees
Angle G (x) = 17 degrees
Angle E (3*17-3) = 48 degrees
If you add 115+48+17 you will get a sum of 180 this shows your answer is right


Angle F = 115
Angle G = 17
Angle E = 48
4 0
2 years ago
8. Find m Using the parallelogram
Semmy [17]

Answer:

w = 80

Step-by-step explanation:

Common geometry math

7 0
3 years ago
Graph the points (0,-2), (4,0) and (2,0). If you want to create a parallelogram, which of the following points should used for t
MariettaO [177]

( 2 , - 2 )

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8 0
2 years ago
The relative frequency approach to probability uses long term relative frequencies, often based on past data.
xenn [34]

Answer:

True

Step-by-step explanation:

Relative frequency is the ratio of the occurrence of a singular event and the total number of outcomes. This is a tool that is often used after you collect data. You can compare a single part of the data to the total amount of data collected.

For example, if a particular machine produces 50,000 widgets one at a time, and 5,000 of those widgets are faulty, the probability of that machine producing a faulty widget is approximately 5,000 out of 50,000, or 0.10.

4 0
3 years ago
Mario has a very disorganized sock drawer. Inside, there are 12 black socks and 16 white socks. Without looking, Mario takes one
BlackZzzverrR [31]

Given

12 black socks

16 white socks

Without looking, Mario takes one sock out of the drawer and then takes out another without replacing the first sock

Which expression shows one way to find the probability that he will take out two white socks?

Procedure

for the first white socks

\frac{16}{16+12}=\frac{16}{28}=\frac{4}{7}=0.5714

for the second white socks

\frac{15}{15+12}=\frac{15}{27}=\frac{5}{9}=0.555

3 0
1 year ago
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