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Step2247 [10]
3 years ago
7

2. Explain how the order of operations determines how you simplify a numeric expression. Be sure to explain the rules for additi

on, subtraction, multiplication, division, and the use of grouping symbols. Use examples to illustrate your points.
Mathematics
1 answer:
IgorLugansk [536]3 years ago
4 0
P-paratheses (do any math that has parentheses around the numbers) y=(2x5)+25
E-exponents (do the exponents next) y=(2x5)+5^2
M-multiplying. (Basically everything is self explanatory from here to then cuz im lazy to list examples)
Just basically if you don't use PEMDAS, you'll get the wrong answer
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Is -9/4 rational or irrational
irga5000 [103]

Answer:

irrational this is because when you divide - 9 / 4 gives you an irrational answer

7 0
3 years ago
4 cot theta<br>=<br>tan theta<br>how do I I find the value of quadrant?​
Ray Of Light [21]

Answer:

4cotα=tanα

4(1/tanα)=tanα

(4/tanα)=tanα

cross multiply

=> 4=tan²α

√4=√tan²α

±2=tanα

α=arc( tan) |2|

α=63.4° ( in first quadrant)

and

α=180+63.4=243.4 in the third quadrant

since we also found a negative answer( i.e –2) then α also lies in quadrants where it gives a negative value(i.e second and fourth quadrants)

α=180–63.4=116.6° in the second quadrant

α=360–63.4=296.6 in the fourth quadrant

therefore theta( in my case, alpha) lies in all four quadrants and is equal to:

α=63.4°,243.4°,116.6°and 296.6°

5 0
3 years ago
MR. ARCEO TAKES A TAXI FROM THE AIRPORT TO A HOTEL. THE TAXI CHARGES $2.50 INITIAL CHARGE PLUS $2.65 PER MILE. WHICH EQUATION CA
enyata [817]
2.65x + 2.50 = y

step by step explanation:

2.65 is how much for each mile, and the variable, x, represents the number of miles of the trip. so, we would do 2.65x to find out how much money you have to pay for the amounts of mile.

next, you would have to add the initial fee, which is 2.50. so 2.65x+2.50.

lastly, y represents the total cost of the trip. so, 2.65x + 2.50 = y
7 0
2 years ago
A binomial random variable is what type of random variable?
OLga [1]

Answer:

It is a discrete random variable.

Step-by-step explanation:

Counts often when something happens like in fixed numbers of tries.

Hope I helped!:)

4 0
2 years ago
A restraunt earns $1073 on Friday and $1108 on Saturday. Write and solve an equation to find the amount x (in dollars) the restr
Sveta_85 [38]
For this case, the average is the sum of the amounts of the three days divided by three.

We know the earn of Friday and Saturdar. We can assign x to the earn of saturday.

Promedio= \frac{1073USD + 1108USD + xUSD}{3} =100 USD

Promedio= \frac{2181USD + xUSD}{3} =100 USD

We need to multiply by 3 both sides of the equation.

3(\frac{2181USD + xUSD}{3}) =3(100 USD)

2181 USD + x USD =300 USD

We need to substrat 2181 USD in both sides.

2181 USD - 2181 USD + x USD =300 USD - 2181 USD 

x USD =300 USD - 2181 USD 

x USD = - 1881 USD

They need a negative earn in order to have an average earn of 100 USD per day. 

1073 USD + 1108 USD - 1881 USD = 300 USD

300 USD / 3 = 100 USD [tex]2181 USD - 2181 USD+ xUSD =3100 USD - 2181 USD[/tex]

4 0
3 years ago
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