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lozanna [386]
4 years ago
13

What is the simplest form of 18/30?

Mathematics
2 answers:
rosijanka [135]4 years ago
7 0

Answer:

3/5

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 18 and 30 is 6

Divide both the numerator and denominator by the GCD

18 ÷ 6

30 ÷ 6

Reduced fraction:  

3 /5

sesenic [268]4 years ago
4 0

Answer:

3/5

Step-by-step explanation:

Find the GCD of numerator and denominator which is 6 and divide both by 6 so 18/6 and 30/6 gives you 3/5

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Step-by-step explanation:

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7/8*cforc=8<br> how you solve that
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7

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Evaluate expression if B=3equals three. 1/2 (b to the third power -1)
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The answer is 2.375 or 2 3/8
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Jillian is using integer tiles to add 7 + (negative 2). She uses the steps below. Step 1 7 positive tiles. Step 2 7 positive til
raketka [301]

Answer:

<h3>Step 4</h3>

Step-by-step explanation:

Given the expression 7+(-2)

Let 7 be 7 positive tiles since it is a positive number

Let -2 be 2 negative tiles being a negative number

7+(-2) = 7 positive tiles <em>and</em> 2 negative tiles

note that + * - will give minus sigh (-), the expression will become:

7+(-2) = 7-2

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7 0
3 years ago
Read 2 more answers
Ana ha comprado libros, todos del mismo precio, por valor de 120 euros. El librero le regala 3 libros por lo que cada libro le c
lidiya [134]

Answer:

El primer paso será darle un nombre a nuestras variables:

x= Numero de libros comprados inicialmente

y=Precio inicial de los libros

Ahora analizamos el enunciado,

Lorena ha comprado libros todos del mismo precio por valor de 120 €

x*y=120 € (1)

El librero le regala 3 libros por lo que en realidad cada libro que cuesta 2 € menos

(x+3)(y-2)=120€ (2)

Tenemos entonces dos ecuaciones con dos incógnitas, así que podemos resolver,

Despejamos en (1)

x=120/y

Sustituimos en (2)

(120/y +3)(y-2)=120

120 - 240/y + 3y -6 =120

3y-240/y =120-120+6

3y -240/y =6

y- 80/y=6

y²-80=6y

y²-6y-80=0

Resolvemos la ecuación de segundo grado

a=1

b=-6

c=-80

Aplicando la resolvente,

(6+- √36+320)/2

6+-√356/2

(6+-18,86)/2

Como el valor de y no puede ser negativo la unica respuesta válida será:

y=12,43

Cada libro le costo 12,43€

Sustituyendo en (1)

x=120/12,43

x=9,65 como no puede ser un número racional

x=9

Lorena ha comprado 9 libros

6 0
3 years ago
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