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Nat2105 [25]
2 years ago
13

How many 84 are in 672??

Mathematics
2 answers:
Soloha48 [4]2 years ago
8 0
Exactly 8

To solve, either use long division or calculator 
MA_775_DIABLO [31]2 years ago
6 0
As 672 / 84 = 8

hence there are 8 84s in 672

hope it helped
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Simplify the variable expression below as much as possible. 3x + 4 + 9 - 6
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3x + 7 would be your answer 
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√36 + √49<br> Find the perimeter of the rectangle
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3 years ago
Resuelve:
jok3333 [9.3K]

Answer:

A partir del problemas vamos a crear una ecuación donde X es una docena de huevos y Y una libra de mantequilla

entonces: 4 docenas de huevos y 3 libras de mantequilla es igual a 14.100

en mi primera ecuación seria: 4X + 3Y = 14.100

ahora haremos la segunda ecuacion: tres docenas y 1 libra de mantequilla

en mi segunda ecuación seria: 3X + 1Y = 8.700 el plan es sumar las dos ecuaciones pero yo quiero que al sumarlas la variable "Y" desaparezca así que mi segunda ecuación la voy a multiplicar pór (-3) quedándome todo así:

primera ecuación: 4X + 3Y = 14.100

segunda ecuacion multiplicada por -3: -9X - 3Y = -26.1

al sumarlas obtengo como resultado: -5X = -12

resolviendo esa ecuacion obtengo que X=  

X=2.4

luego reemplazas X en la primera ecuación: 4X + 3Y = 14.100

reemplazando seria: 4 x (2.4) + 3Y =14.100

9.6 + 3Y = 14.1000

3Y= 14.100 - 9.6

Y=  

Y=1.5

entonces concluimos que la docena de huevos cuesta 2.4 $ y la libra de mantequilla 1.5 $

Step-by-step explanation:

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3 years ago
Solve 17x - 2 = 7x + 8
romanna [79]
<span>17x-2=7x+8

We simplify the equation to the form, which is simple to understand
<span>17x-2=7x+8

We move all terms containing x to the left and all other terms to the right.
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We simplify left and right side of the equation.
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We divide both sides of the equation by 10 to get x.
<span>x=1</span></span></span></span></span>
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