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lidiya [134]
3 years ago
14

I need help on my math!!!!!!!

Mathematics
1 answer:
Evgen [1.6K]3 years ago
7 0

Answer:

I think its B

Step-by-step explanation:

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Help help help help math math math
olasank [31]

Answer:

27 in²

Step-by-step explanation:

The area (A) is calculated as

A = πr² ( r is the radius ) , then

A = π × 3² = 3 × 9 = 27 in²

5 0
3 years ago
Identify all factors of the expression 4x^2+17x-15
pickupchik [31]

Answer:

d and e

Step-by-step explanation:

To factor 4x² + 17x - 15

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term, that is

product = 4 × - 15 = - 60 and sum = + 17

The factors are + 20 and - 3

Use these factors to split the middle term

4x² + 20x - 3x - 15 ( factor by grouping the first/second and third/fourth terms )

= 4x(x + 5) - 3(x + 5) ( take out the common factor (x + 5) )

= (x + 5)(4x - 3) → d/e


6 0
3 years ago
465.8 g = blank kg<br><br><br> Plz help if u can !!!!
alina1380 [7]

Answer:

0.4658 kg

Step-by-step explanation:

5 0
3 years ago
Select the correct answer.
Bezzdna [24]
The answer is OB(3)/(3)
5 0
3 years ago
Now that we have our linear regression model, let’s try to make a prediction for the sales given a new set of advertising budget
ValentinkaMS [17]

Answer:

The predicted sales for the new set of advertising budgets is 14.

Step-by-step explanation:

The linear regression model is:

\text{Sales}=2.9389+0.0458\cdot(\text{TV})+0.1885\cdot(\text{Radio})-0.0010\cdot(\text{Newspaper})

Compute the value of sales for:

TV = 200,

Radio = 10,

Newspaper = 20

\text{Sales}=2.9389+0.0458\cdot(\text{TV})+0.1885\cdot(\text{Radio})-0.0010\cdot(\text{Newspaper})

        =2.9389+0.0458\cdot(200)+0.1885\cdot(10)-0.0010\cdot(20)\\=2.9389+9.16+1.885-0.0002\\=13.9837\\\approx 14

Thus, the predicted sales for the new set of advertising budgets is 14.

5 0
3 years ago
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