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kkurt [141]
3 years ago
9

Solve the following system of equations by using the substitution method.

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0
There appears to be a typing error in the second equation. 

Still the answer is (7,10) because it is the only ordered pair that works for the first equation. 
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Arielle went to the store and
zhuklara [117]

Answer:

$6

Step-by-step explanation:

let s be the cost of each shirt

20 + 6s = 56

subtract 20 from both sides

6s = 36

divide both sides by 6

s = 6

The cost of each shirt is $6.

8 0
3 years ago
Read 2 more answers
PLEASE HELP
kumpel [21]
10x+5. Hope this helped
7 0
3 years ago
Read 2 more answers
Find the mean and median of these data: 2, 4, 10, 12, 18, 20.
UNO [17]
The mean of this data is: 11

The median of this data is: 11

The mean and median of this data is the same in this case.
Hope this helps
Have a great day :)
3 0
3 years ago
Which reason best explains why m^10n^3 is NOT equal to (mn)^13?
Hunter-Best [27]

Answer:This law of exponents can only be used when the bases are equal.

Step-by-step. explanation:

3 0
2 years ago
The following probabilities are based on data collected from U.S. adults during the National Health Interview Survey 2005-2007.
Nutka1998 [239]

Answer:

Required Probability  =0.421  

Step-by-step explanation:

Let's first arrange the data given in a more presentable way: So, we have the following probabilities for different categories.

Underweight (UW) = 0.019

Healthy Weight (HW) = 0.377

Overweight but Not Obese (NO) = 0.35

Obese (O) = 0.254

<em>Now, let's calculate the probability that a randomly selected American adult who weighs more than the healthy weight range is obese:</em>

Required Probability = Probability(obese)/Probability(Overweight + Obese)

                                    = P (O) /P(NO + O)                                  

                                    =0.254/(0.35+0.254)

Required Probability  =0.421

where, O for Obese and NO for Not Obese or Overweight but Not Obese.

So, the correct answer = 0.421

8 0
3 years ago
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