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3 years ago

Identity the two rational numbers

Mathematics

1 answer:

Leno4ka [110]3 years ago

3 0

B and D are both rational.

A rational number is a number that can be represented as a ratio fo two integers.

-7/3 is rational because both -7 and 3 are integers. 2.777... equals 25/9. 25 and 9 are both rational numbers.

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Two ratios (fractions) that are equal to each other.

HACTEHA [7]

The statement that they're equal is called a proportion.

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3 years ago

I NEED HELP PLZ HELP PLZ

Nesterboy [21]

Answer:

-43

Step-by-step explanation:

=(-3(-4^2))+5

-3(16)+5

-43

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3 years ago

Felicia is solving the expression -5(3x+2)+10x. Gregory is solving the expression -12-4x+?+?x. Both students simplified their an

densk [106]

Answer:

see the explanation

Step-by-step explanation:

we have

<em>Felicia</em>

$-5(3x+2)+10x$

Apply distributive property

$-5(3x)-5(2)+10x$

$-15x-10+10x$

Combine like terms

$-5x-10$

Let

a ----> the missing term with coefficient x in Gregory's expression

b ----> the missing constant term in Gregory's expression

$-12-4x+ax+b$

equate Gregory's expression to Felicia's expression

$-12-4x+ax+b=-5x-10$

$-12+b=-10$ -----> $b=2$

$-4x+ax=-5x$ ------> $a=-1$

Gregory's expression is

$-12-4x+2-x$

therefore

The missing terms are 2 and -x

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3 years ago

What is the solution to x 4 – 12x 2 + 10 > 0?

Gelneren [198K]

Answer:

X>5/4

Step-by-step explanation:

What is the solution to x 4 – 12x 2 + 10 > 0?

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3 years ago

How to calculate fractions without a calculator

larisa86 [58]

Answer:

Step-by-step explanation:

all you need to do is divide that number by the denominator of the fraction, then multiply your result by the numerator of the fraction

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