4 years ago

Can someone explain the differences between a rational and irrational number, and a interger

1 answer:

6 0

Interfere are numbers that can be neagative
Or positive. Rational numbers are numbers that can be put into fractions. Irrational numbers cannot be put into a fraction

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yulyashka [42]

A variable is an unknown like x so

first we start with
x=8
then we subtract (because you must add to reverse subtraction)
x-2=8-2
x-2=6
then we divide ( because you must multiply to reverse division)
(x-2)/3=6/3
(x-2)/3=2

find x

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3 years ago

Turn 0.68 into a fraction in simplest form

sattari [20]

Since .68 is 68/100, you can simplify to 17/25.

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mart [117]

Answer:

$\large\boxed{x=1\ \vee\ x=-3i\ \vee\ x=3i}$

Step-by-step explanation:

$\text{The zeros:}\\\\x^3-x^2+9x-9=0\\\\x^2(x-1)+9(x-1)=0\\\\(x-1)(x^2+9)=0\iff x-1=0\ \vee\ x^2+9=0\\\\x-1=0\qquad\text{add 1 to both sides}\\x-1+1=0+1\\\boxed{x=1}\\\\x^2+9=0\qquad\text{subtract 9 from both sides}\\x^2=-9$

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4 years ago

There are 75 students. Yesterday 2/5 of them have their speeches. Today 1/5 of the remaining students gave there speeches. How m

inysia [295]

Answer:

Step-by-step explanation:

75÷5=15

15×2=30

75-30=45

45-15=30

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4 years ago

What are the coordinates of triangle p q and r

777dan777 [17]

Answer:

you need to post the pic of the triangle smh

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3 years ago