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3 years ago

What does an equation have that an expression doesn't?

Mathematics

2 answers:

Akimi4 [234]3 years ago

4 0

Answer:

the answer is an equal sign

nignag [31]3 years ago

3 0

Answer:

An equal sign

Step-by-step explanation:

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Simplify negative 2 and 1 over 9 – negative 4 and 1 over 3.

Ugo [173]

Answer:

The correct answer is

$2\frac{2}{9}$

Step-by-step explanation:

Method 1

We want to simplify,

$-2\frac{1}{9} -(-4\frac{1}{3})$

The double negatives becomes positive,

$=-2\frac{1}{9} +4\frac{1}{3}$

We now add the whole number parts and the fractions separately

$=-2+4-\frac{1}{9} +\frac{1}{3}$

This will give us,

$=2-\frac{1}{9} +\frac{1}{3}$

The least common denominator for the fractional parts is 9.

$=2+\frac{-1+3\times1}{9}$

$=2+\frac{-1+3}{9}$

$=2+\frac{2}{9}$

$=2\frac{2}{9}$

Method 2

We want to simplify,

$-2\frac{1}{9} -(-4\frac{1}{3})$

The double negatives becomes positive,

$=-2\frac{1}{9} +4\frac{1}{3}$

We first convert the mixed numbers to improper fractions to obtain,

$=-\frac{2\times9+1}{9} +\frac{4\times3+1}{3}$

We carry out the multiplication in the numerator to get,

$=-\frac{18+1}{9} +\frac{12+1}{3}$

We add in the numerator to get,

$=-\frac{19}{9} +\frac{13}{3}$

The least common denominator is $9$ .

$=\frac{-19+13\times3}{9}$

$=\frac{-19+39}{9}$

$=\frac{20}{9}$

We convert back to mixed numbers to get,

$=2\frac{2}{9}$

4 0

3 years ago

I) It takes the climber 800 seconds to climb to the top of the cliff.

Vinvika [58]

Answer:

<em>gracias por lo 20 puntos</em>

Step-by-step explanation:

7 0

3 years ago

Help 10 minutes to turn in

olchik [2.2K]

When you express the equation of a line in the form $y=mx+q$ , the coefficient m is exactly the slope of the line.

So, let's manipulate the equation to fulfill our goal:

$12 = 4x-6y \iff 6y = 4x-12 \iff y = \dfrac{4}{6}x - 2 \iff y = \dfrac{2}{3}x-2$

So, the slope is 2/3

4 0

3 years ago

Hopefully someone can see this time, please help

cricket20 [7]

Answer:

m = -1

Step-by-step explanation:

The slope of the line is -1

3 0

2 years ago

Read 2 more answers

Help me solve this logical question.

GREYUIT [131]

P a p a party party p q p w party

4 0

3 years ago