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Minchanka [31]
3 years ago
9

|2+3(-4)|

Mathematics
2 answers:
iragen [17]3 years ago
6 0

Answer:

10

Step-by-step explanation:

alrighty so the order of operations are PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)) so to start you would first multiply the 3 and the -4. you would then get |2-12| which would simply to |-10| which would then go down to 10 because everything inside those lines/brackets/sorry i forgot the technical term lol zero out except the whole number! does that make sense? :)

puteri [66]3 years ago
3 0

Answer:

10

Step-by-step explanation:

So we have the expression:

|2+3(-4)|

First, evaluate within the absolute value bars. 3 times -4 is -12. Thus:

=|2-12|

Now, subtract:

=|-10|

The absolute value of -10 is positive 10. So:

=10

And we're done!

You might be interested in
Una fábrica produce tres tipos de balones de fútbol, con un costo mensual de
Varvara68 [4.7K]

Answer:

Se fabricaron:

1000 balones de los que cuestan $20

75 balones de los que cuestan $30

50 balones de los que cuestan $40

Step-by-step explanation:

Vamos a definir las variables:

x = número de balones de $100.00 vendidos.

y = número de balones de $120.00 vendidos

z = número de balones de $160,00 vendidos.

Sabemos que se producen 1125 balones, entonces:

x + y + z = 1125

y el costo de producción es $24,250, conociendo el costo de cada balón podemos escribir:

x*$20 + y*$30 + z*$40 = $24,250

Y también sabemos que la ganancia mensual es $92,750

Ganancia es la diferencia entre el dinero total recibido y los costos, entonces:

x*$100 + y*$120 + z*$160 - $24,250 =  $92,750

x*$100 + y*$120 + z*$160 = $92,750 + $24,250

x*$100 + y*$120 + z*$160 = $117,000

Entonces tenemos un sistema de 3 ecuaciones:

x + y + z = 1125

x*$20 + y*$30 + z*$40 = $24,250

x*$100 + y*$120 + z*$160 = $117,000

Para resolver esto debemos comenzar por aislar alguna variable en alguna de las ecuaciones, yo comenzare aislando x en la primera ecuación:

x = 1125 - y - z

Ahora podemos reemplazar esto en las otras dos ecuaciones para obtener:

(1125 - y - z)*$20 + y*$30 + z*$40 = $24,250

(1125 - y - z)*$100 + y*$120 + z*$160 = $117,000

Si simplificamos esto obtenemos:

$22,500 + y*$10 + z*$20 = $24,250

$112,500 + y*$20 + z*$60 =  $117,000

Ahora de vuelta, debemos aislar una variable en una de las ecuaciones, si aislamos y en la primera ecuación obtenemos:

y*$10 = $24,250 - $22,500 -  z*$20

y = ($1,750 - z*$20)/$10

y = 175 - 2*z

Reemplazando esto en la otra ecuación obtenemos:

$112,500 + (175 - 2*z)*$20 + z*$60 =  $117,000

Ahora podemos resolver esto para z.

(175 - 2*z)*$20 + z*$60 =  $117,000 - $112,500

(175 - 2*z)*$20 + z*$60 = $4,500

$3,500 - z*$40 + z*$60 = $4,500

$3,500 + z*$20 = $4,500

z*$20 = $4,500 - $3,500 = $1,000

z = $1,000/$20 = 50

Entonces tenemos 50 balones de los que cuestan $40.

Usando la ecuación y = 175 - 2*z podemos encontrar el valor de y.

y = 175 - 2*50 = 75

Entonces tenemos 75 balones de los que cuestan $30.

Usando la ecuación x = 1125 - y - z podemos encontrar el valor de x.

x = 1125 - 75 - 50 = 1000

tenemos 1000 balones de $20.

5 0
3 years ago
Gerard has 365 baseball cards. He puts as many of them as he can into piles of 100. How many piles of 100 does he make?
son4ous [18]

Answer:

3 piles of 100

Step-by-step explanation:

365 divided by 100 is 3.65 and we need whole numbers only so 3

8 0
3 years ago
Read 2 more answers
A store had 3 packs of paper $0.93. How much would it cost if you were to buy 4 packs?
sesenic [268]
Hey you!

If I understood your question correctly, here's your answer:

0.93/3 = 0.31

0.31 × 4 = 1.24

So, it would cost $1.24 for 4 packs.

I Really Hope You Found This Helpful!
3 0
2 years ago
ONLY ANSWER IF YOU KNOW, SHOW WORK
yulyashka [42]

Answer:

hello,

Step-by-step explanation:

cos(3\theta)+cos(4\theta)\\\\=2*cos(\dfrac{4\theta+3\theta}{2} )*cos(\dfrac{4\theta-3\theta}{2} )\\\\\boxed{=2*cos(\dfrac{7\theta}{2} )*cos(\dfrac{\theta}{2} )}

6 0
2 years ago
A math book comprises of 2 sections: arithmetic and geometry in the ratio 5:3. How much of each type of content will be needed t
Alex_Xolod [135]
480/8=60

(60*5) : (60*3) = 300:180
4 0
3 years ago
Read 2 more answers
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