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Westkost [7]
2 years ago
12

Use your equivalent expression to find the area of Brian's garden, in square feet, if x = 3 and y = 4. 3 points Part A: The area

of Brian's rectangular garden, in square feet, can be found by using the expression 6(2x + 5y). Use the distributive property to write an equivalent expression for the ares of Brian's garden.
Mathematics
1 answer:
jeyben [28]2 years ago
5 0

Answer:

156 square feet

Step-by-step explanation:

The area of Brian's rectangular garden, in square feet, can be found by using the expression 6(2x + 5y).

If x = 3 and y = 4

Substituting

6(2 × 3 + 5 ×4) square feet

6(6 + 20) square feet

Using Distributive property

6(6 + 20) square feet =( 6 × 6) + (6 × 20) square feet

6(6 + 20) square feet =(36+ 120) square feet

6(6 + 20) square feet = 156 square feet

Therefore, the area of Brian's rectangular garden, in square feet is 156 square feet

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Answer:

Step-by-step explanation:

C(x)=2x^(2)-24x+720

Slope = \frac{dc}{dx}

Differentiating to get the slope;

\frac{dc}{dx} = 4x - 24

Lowest cost is when the slope is zero, therfore ;

⇒ 4x-24 = 0

⇒ x = 6

substituting for x

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

First, we need to figure out what the equation equals.

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PEMDAS

Parentheses, exponents, division/fraction, addition, subtraction.

7/7 = 1. So equation changed into 7 + 1 + 7*7 - 7 = x.

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c is the only one who has a calculation of 50.

8 0
2 years ago
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3 years ago
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