Question

Hola es lo mismo de la anterior doy 100 puntos porfavor
Si quieren solo expliquenme

Answer 1

Respuesta:

a)

$10A+5A=75\\\\15A=75\\\\A=5$

b)

$8A=90+3A\\\\8A-3A=90\\\\5A=90\\\\A=18$

c)

$5\left(A-5\right)=75\\\\\frac{5\left(A-5\right)}{5}=\frac{75}{5}\\\\A-5=15\\\\A=15+5\\\\A=20$

d)

$\frac{\left(A+9\right)}{5}=16\\\\\frac{5\left(A+9\right)}{5}=16\cdot \:5\\\\A+9=80\\\\A=80-9\\\\A=71$

e)

$\frac{\left(5A-7\right)}{7}=4\\\\\frac{7\left(5A-7\right)}{7}=4\cdot \:7\\\\5A-7=28\\\\5A=35$

Pondre las respuestas... tendrias que hacer la resolucion <3

f)

$A=7$

g)

$5\left(A-6\right)=30\\\\A=12$

h)

$2\left(5A-9\right)=42\\\\A=6$

i)

$4A-56=16-2A\\\\A=12$

j)

$\frac{A}{7}=90-2A\\\\A=42$

k)

$\frac{\left(5A-8\right)}{4}=3\\\\A=4$

l)

$6A+18=3A+72\\\\A=18$

Hallar el cociente de las siguientes divisiones:

1)

$-1445\div \:17\\\\COCIENTE=-85$

2)

$\frac{-256}{-16}\\\\\frac{256}{16}\\\\16$

3)

$120\div \left(-24\right)\\\\\frac{120}{-24}\\\\-\frac{120}{24}\\\\\frac{a}{-b}=-\frac{a}{b}\:\:NO\:\:\:TE\:\:\:OLVIDES\:\:\:\\\\-5$

4)

$\left(-8+\left(-7+4\right)\left(-2\right)\right)\div \left(\left(9\right)\div \left(-3\right)-1\right)\\\\-2\div \left(\left(9\right)\div \left(-3\right)-1\right)\\\\-2\div \left(-4\right)\\\\\frac{-2}{\left(-4\right)}\\\\\frac{2}{4}\\\\\frac{1}{2}$

5)

$\left(-9+6+5\right)\left(-4\right)+\left(7-\left(-8\right)\div \left(2\right)-5\right)\left(-3\right)\\\\2\left(-4\right)+\left(7-\left(-8\right)\div \left(2\right)-5\right)\left(-3\right)\\\\2\left(-4\right)+6\left(-3\right)\\\\-8+6\left(-3\right)\\\\-8-18\\\\-26$

6)

$\left(10-5\left(-2\right)\right)\div \left(5\right)+\left(-4+6\right)\left(3\right)+8\div \left(-2\right)\\\\20\div \left(5\right)+\left(-4+6\right)\left(3\right)+8\div \left(-2\right)\\\\20\div \left(5\right)+2\left(3\right)+8\div \left(-2\right)\\\\\frac{20}{\left(5\right)}+2\left(3\right)+8\div \left(-2\right)\\\\\frac{20}{\left(5\right)}+6+8\div \left(-2\right)\\\\\frac{20}{\left(5\right)}+6-4\\\\6$

NECESITO LA CORONA... JA,JA,JA

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