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3 years ago

7

How many elements make up matter

2 answers:

Rainbow [258]3 years ago

6 0

Three elements make up matter. These elements are solid, liquid, and gas. Those are the three main elements but there is a fourth element called Plasma. I wouldn't add this on to your homework unless you have been learning about Plasma because it is rarely discussed.

Vlad1618 [11]3 years ago

3 0

3 solids liquids and gases

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You earn $22 an hour and work 40 hours this week. Your Federal Income Tax rate is 20% and Social Security Tax rate is 5%. What i

bekas [8.4K]

Answer:

$660

Step-by-step explanation:

22*40 = 880 dollars. This is your gross pay.

Then, 880*0.2 (deduction of federal income tax rate) = 176 dollars

We also have to deduct the social security tax rate so, 880*0.05 = 44 dollars

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Let me know if im wrong!

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3 years ago

Simplify 4n5 + 3.5n5 + (-2.1n5).<br><br> 4.4 n5<br> 5.4 n5<br> 20 n5<br> 6.4 n5

ella [17]

Answer:

$4 {n}^{5} + 3.5 {n}^{5} + ( - 2.1 {n}^{5} )$

first create a bracket:

$= ( {4n}^{5} + 3.5 {n}^{5} ) + ( - 2.1 {n}^{5} )$

then solve the first bracket:

$= {7.5 {n}^{5} } + ( - 2.1 {n}^{5} )$

then open the remaining bracket:

$= {7.5n}^{5} - {2.1n}^{5}$

carryout the subtraction operation:

$= (7.5 - 2.1) {n}^{5} \\ { \boxed{ = {5.4n}^{5} }}$

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3 years ago

A line is defined by the equation y = negative x + 3. Which shows the graph of this line?

never [62]

Answer:

Its the First Graph

Step-by-step explanation:

The slope is -1 and the y-intercept is 3

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3 years ago

Read 2 more answers

Solve for the value of f: ½(6 + 4) + 5f = 10

ss7ja [257]

Answer:

Start by combing any like variable and distributing the values.
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3 years ago

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anzhelika [568]

Answer:

36

Step-by-step explanation:

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3 years ago