3 years ago

the algebraic expression 6(2x)+9x+3 represents the area of a rectangle .what is the the area of the rectangle when x =3 feet

Mathematics

1 answer:

sashaice [31]3 years ago

5 0

Answer:

66. Assuming after you substituted 3 in place of x, you followed order of operations, or PEMDAS.

Step-by-step explanation:

6(2x) + 9x +3 = area

6 (2(3)) + 9(3) + 3 = area

6 x 6 + 27 + 3 = area

36 + 30 = 66

area = 66

You might be interested in

Si el área de una figura rectangular esta dada por A-bxh,¿cual es la siguiente expresiones representa el área de la puerta

stealth61 [152]

Respuesta:

3x² + 5x - 2

Explicación paso a paso:

Dado que :

Área del rectángulo, A = largo * ancho

Dimensión = 3x - 1; x + 2

Área = (3x - 1) * (x + 2)

Área = 3x² + 6x - x - 2

Área = 3x² + 5x - 2

8 0

3 years ago

A group of 20 friends were going on a picnic 7 friends were playing basketball and 5 friends were having snacks if 2 friends wer

dlinn [17]

The problem statement tells you "7 friends were playing basketball".

_____
It appears 5 friends were only playing basketball, 2 friends were playing basketball and having snacks, and 3 friends were only having snacks. Apparently, 10 friends were doing neither of those activities.

4 0

3 years ago

Nancy gets a weekly allowance or $18. She spends $3 each week on art supplies. She splits the rest of her allowance into equal a

BARSIC [14]

Answer:

5 dollars a week

Step-by-step explanation:

18-3=15

15/3=5

5 0

2 years ago

Express 38% as a fraction in simplest form.

Gnoma [55]

Answer:

19/50

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

melamori03 [73]

Answer:

Third option

Step-by-step explanation:

Given the following question where...

$180 = a1+a2+a3$

A triangle adds up to 180 degrees

50 + 120 = 170 + 10 = 180

The measurement of the third angle is 10 degrees or the third option.

Hope this helps.

4 0

2 years ago