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Naily [24]
3 years ago
9

If f(x)=2x^2+3x and g(x)=x-2, what is (f+g)(2)

Mathematics
1 answer:
Alika [10]3 years ago
8 0

Answer:

14

Step-by-step explanation:

f(x)= 2x^{2}+3x

g(x)=x-2

(f+g)= 2x^{2}+3x+x-2

(f+g)= 2x^{2}+4x-2

(f+g)(2)= 2*(2)^{2} +4*(2)-2 = 14

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2 years ago
Please help with problem and show steps
pshichka [43]
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5 0
3 years ago
This recipe makes enough pastry for 10 pasties.
forsale [732]

Answer:

she can only make 25 pastries

Step-by-step explanation:

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6 0
2 years ago
A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 What is the v
kifflom [539]
The variance is the total of the squared distances of the given data from the mean. 

This can be calculated through the equation,
        
                            σ² = summation of X² / N  - μ²

where σ² is the variance X's are the data, N is the number of terms, and μ is the mean.

   summation of X² = 100² + 100² + 120² + 120² + 180² = 81200
                          N = 5
                                        μ = (100 + 100 + 120 + 120 + 180) / 5
                                         μ = 124

Substituting these values to the equation for variance,
                                 
                              σ² = (81200/5) - 124² = 864

Thus, the variance is equal to 864. 
4 0
3 years ago
Read 2 more answers
There are 120 Calories in a 34-cup serving of cereal. How many Calories are there in 6 cups of cereal? Enter your answer in the
Ilya [14]
Answer: 21.17 (22 rounded)

explanation: 120/34 = 3.529 calories per cup

3.529 x 6 cups = 21.17

hope this helps :)
7 0
3 years ago
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