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Aleks [24]
3 years ago
13

In a recent survey, 230 or 46% of the sample, said they usually ate fast food when they went out to eat. How many people were su

rveyed?
Mathematics
1 answer:
galben [10]3 years ago
4 0
500 people were surveyed.
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Solve each equation for the given variable. Use inverse operations to solve each equation.
andre [41]
X = 15

Inverse operations would be + 5 to the -5 which cancels that out, & adding 5 to the 15 which gives you 15
4 0
3 years ago
Mr. McKay wrote an algebra test with a total of 15 questions consisting of multiple choice and short response style questions. M
tankabanditka [31]

Step-by-step explanation:

x = number of multiple choice questions

y = number of short response questions

x + y = 15

5x + 10y = 100

=>

x + 2y = 20

let's subtract the first from the second equation :

x + 2y = 20

- x + y = 15

--------------------

0 y = 5

x + y = 15

x + 5 = 15

x = 10

to graph you need to consider both equations as linear functions. and you need to transform them into e.g. a slope intercept form : y = ax + b

a is the slope, b is the y- intercept.

x + y = 15

transforms to

y = -x + 15

this line goes e.g. through the points (0, 15) and (1, 14).

and

x + 2y = 20

transforms to

2y = -x + 20

y = -x/2 + 10

this line goes e.g through (0, 10) and (2, 9).

the crossing point of both lines is the solution and should therefore be the point (10, 5) as calculated above.

5 0
2 years ago
Convert 8pints to cups
ruslelena [56]
The correct answer is 16 cups. Because 8 pints equal 16 cups.

Hope I helped!

- Amber
4 0
3 years ago
4. The population of a town is modeled by the equation P - 165812002, where "p"
Pavel [41]
Is that all the information ? I think they’re missing something
5 0
3 years ago
If a bottle contains 16.9 fluid ounces and a person drank 80% of it how many fluid ounces did that person drink?
Verdich [7]
16.9×0.8= 13.52 fluid ounces
3 0
3 years ago
Read 2 more answers
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