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2 years ago

How many elements make up matter

2 answers:

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]2 years ago

3 0

3 solids liquids and gases

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Which expression is equivalent to Negative 2 and one-fourth divided by negative two-thirds? StartFraction 9 over 4 EndFraction d

Tanzania [10]

Answer:

The correct answer is:

Negative StartFraction 9 over 4 EndFraction divided by two-thirds

i.e.

$-\dfrac{9}{4} \div \dfrac{2}{3}$

Step-by-step explanation:

We have to find equivalent expression to :

Negative 2 and one-fourth divided by negative two-thirds

i.e.

$-2\dfrac{1}{4} \div \dfrac{2}{3} = ?$

We have to convert the the mixed fraction form $-2\frac{1}{4}$ to simpler $\frac{p}{q}$ fraction form.

Let us learn the concept first.

Mixed fraction is combination of a whole number and a fraction.

Expression of the form $a\frac{b}{c}$ have the following understanding:

c is the divider

b is the remainder and

a is the quotient.

To convert mixed fraction to fraction we can use the following:

$a\dfrac{b}{c} = \dfrac{a \times c+b}{c}$

$\therefore -2\dfrac{1}{4} = -\dfrac{(2 \times 4+1)}{4} = -\dfrac{9}{4}$

Hence

$-2\dfrac{1}{4} \div \dfrac{2}{3} = -\dfrac{9}{4} \div \dfrac{2}{3}$

i.e. the given expression is equivalent to :

Negative StartFraction 9 over 4 EndFraction divided by two-thirds

8 0

3 years ago

Read 2 more answers

Can anybody help me with my homework please. and explain me how to got the answer. Thanks

natka813 [3]

In the problems A-F, You multiply each of the numbers by itself. Like 9²=9×9=81

3³=3×3×3=27 6³=6×6×6=216 and so on for the other problems

G-I is 36=6² 100=10² and so on the cube is the same except you multiply the number three times by itself. I hope this helped a bit. Just ask if you still don't understand.

8 0

2 years ago

What is the length of the hypotenuse of a right triangle with legs that are 7 and 8 inches

Mrrafil [7]

B). 10.63
Because 7^2=49 and 8^2=64 then 49+64=113 then the square root of 113 is 10.63

5 0

2 years ago

Read 2 more answers

What is slope-intercept form

mario62 [17]

The slope intercept form is y=mx+b. m is the slope, b is the y intercept,

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