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2 years ago

4. What is y = (3x – 9)(x + 2) in standard

Mathematics

2 answers:

LenKa [72]2 years ago

8 0

Answer:

B)y = 3x^2 - 3x-18

Step-by-step explanation:

y = (3x – 9)(x + 2)

y = 3x*x+3x*2-9*x-9*2

y = 3x^2 +6x-9x-18

y = 3x^2 - 3x-18

ioda2 years ago

6 0

Answer: It is B

It is hard to explain online, but I know it is the right answer.

You might be interested in

1 Questão 10 - Um capital aplicado a umos simples durante 2 anos, sob taxe de juros de 5% ao mê

Elden [556K]

Answer:

2.995 ou 35.940 (?)

Step-by-step explanation:

Não me lembro exatamente como fazer isso, vou mostrar duas maneiras diferentes de resolver isso.

Use a fórmula l = P * r * t

| = Juros

P = Principal

r = taxa

t = tempo

Para resolver isso, você terá que ... O principal é 29.950, a taxa é 5%, mas se tornará um decimal que é 0,05, e o tempo é 2 Coloque-o na forma de fórmula 29.950 * 0,05 * 2 = 2.995 em interesse

Ou .. Você usará a mesma fórmula, mas desta vez multiplique 0,05 por 12, pois há 12 meses em um ano que é 0,6, então ... 29.950 * 0,6 * 2 = 35.940 de juros

Espero que funcione!

7 0

2 years ago

Read 2 more answers

Write the rational number 0.3 in the form ab , where a and b are integers.

grandymaker [24]

Answer: 3/10

Step-by-step explanation:

Given a decimal number 0.3

To Write the rational number 0.3 in the form ab , where a and b are integers, take it to be :

0.3 /1

Multiply the numerator and the denominator by 10

0.3/1 × 10/10 = 3/10

Therefore, a = 3 and b = 10

the rational number 0.3 in the form ab , where a and b are integers is

3/10

5 0

3 years ago

The charge to rent a trailer is $2525 for up to 2 hours plus $99 per additional hour or portion of an hour. Find the cost to r

Ksju [112]

The question is not written properly! Complete question along with answer and step by step explanation is provided below.

Question:

The charge to rent a trailer is $25 for up to 2 hours plus $9 per additional hour or portion of an hour.

Find the cost to rent a trailer for 2.8 hours, 3 hours, and 8.7 hours.

Then graph all ordered pairs, (hours, cost), for the function.

Answer:

ordered pair = (2.8, 34)

ordered pair = (3, 34)

ordered pair = (8.7, 88)

Step-by-step explanation:

Charge for 2.8 hours:

$25 for 2 hours

$9 for 0.8 hour

Total = $25 + $9

Total = $34

ordered pair = (2.8, 34)

Charge for 3 hours:

$25 for 2 hours

$9 for 1 hour

Total = $25 + $9

Total = $34

ordered pair = (3, 34)

Charge for 8.7 hours:

$25 for 2 hours

$9 for 1 hour

$9 for 0.7 hour

Total = $25 + $9 + $9 + $9 + $9 + $9 + $9 + $9

Total = $88

ordered pair = (8.7, 88)

The obtained ordered pairs are graphed, please refer to the attached graph.

4 0

3 years ago

Help meh_________________

professor190 [17]

Answer:

binomial

Step-by-step explanation:

8 0

2 years ago

Please hurry. it's geometry.

Ainat [17]

That would be option A as the angles and sides ( the AS) have already been stated.

7 0

2 years ago