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3 years ago

When you solve a problem involving money, what can a negative answer represent?

Mathematics

2 answers:

belka [17]3 years ago

7 0

When solving anproblem including money a negative answer can represent debt (how much you owe)

koban [17]3 years ago

4 0

Negative numbers means debt.

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Simplify: (3a – 4b)(a + b). . A.. 3a2– ab – 4b2. . B.. 3a2 – 7ab – 4b2. . C.. 3a2 – 12ab – 4b2. . D.. 3a2 + ab – 4b2.

-Dominant- [34]

To simplify the expression, we distribute terms accordingly. It is done as follows:

(3a – 4b)(a + b)
3a² + 3ab -4ab -4b²
3a² - ab -4b²

Therefore, the correct answer is option A, 3a^2– ab – 4b^2.

Hope this answers the question. Have a nice day. Please feel free to ask more questions.

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3 years ago

1.-Responde la pregunta: ¿para qué me sirve el teorema de Pitágoras en la. vida cotidiana?

Brut [27]

Answer:

Respuesta. Respuesta: El Teorema de Pitágoras sirve para resolver una multitud de problemas; por ejemplo de, cálculo de distancias en el plano, en los mapas, en la realidad. ... En general, el Teorema de Pitágoras se puede utilizar para hallar longitudes en donde intervienen triángulos rectángulos.

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4 years ago

A manufacturing firm just received a shipment of 20 assembly parts, of slightly varied sizes, from a vendor. The manager knows t

Marat540 [252]

Answer:

a. 0.75

b. 0.5526

c. 0.1974

Step-by-step explanation:

Probability is typically expressed as a fraction where the numerator is the number of desired outcomes and the denominator is the total number of outcomes. In this case the suitable parts is the desired outcome and the total shipment is the total parts:

$\frac{suitable}{total}=\frac{15}{20}=\frac{3}{4}=0.75$

The probability the both the first and second part are suitable:

$\frac{15}{20}*\frac{14}{19}=\frac{210}{380}=0.5526$

Since the probability of getting a suitable part the first time is 15/20, then there is one less suitable part and one less part overall to choose on the second time, or 14/19.

Lastly, the probability of choosing a suitable part the first time is again 15/20, but the second part not being suitable would be 5/19:

4 0

3 years ago

Simplify the following expression 2√2 x √12

MAVERICK [17]

Answer:

4 4√3

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Nina rented a bicycle while she was on vacation. She paid a flat rental fee of $75.00, plus $9.50 each day. The total cost was $

Grace [21]

This answer is not confirmed to be correct:

$456 is the total amount so it would be on one side of the equal sign.
$456 = $75.00 + 9.50x.
I hope this helps!

8 0

4 years ago