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3 years ago

Is -8.4 a Rational number or a Integer ?

Mathematics

2 answers:

Goshia [24]3 years ago

8 0

Answer:

It is a rational

Step-by-step explanation:

-8.4 can be turned in to a fraction meaning it is not an whole number meaning it can not be an integer

vichka [17]3 years ago

7 0

Integers are just whole numbers and their negative counterparts.

The set of integers is shown below.

{... -3, -2, -1, 0, 1, 2, 3, ...}

Decimals are not integers but rational numbers do include them.

So -8.4 is a rational number.

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malfutka [58]

Answer:

10 is the constant

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Step-by-step explanation:

Y is the y- intecerpt

x is the slope.

constant is any number by itself no x no nothing since 4 is the slope and has X the constant is the y-intercept which is 10.

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3 years ago

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3 years ago

How do you solve this linear equation 3x+2=x+2x+4 ?

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3 years ago

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Could anyone help with this question?

Nikitich [7]

Answer:

I just answered this question, In case you missed it, here it goes again:

Values for the coefficient in the product k:

$a=b=c=d=3*10^8$ , so the first four boxes should be filled with the number "3"

Drop down arrow: "does"

Step-by-step explanation:

We perform all the products of wavelength time frequency indicated for the column of the quantity "k":

$a$ = $1 * 10^{-10} * 3\, * 10^{18} = 3 * 10^{-10+18} = 3 * 10^{8}$ =

$b=1 * 10^{-1}*3*10^9=3* 10^{-1+9}=3*10^8$

$c=600*10^{-6}*5*10^{11}=3000*10^{-6+11}=3000*10^5=3*10^3*10^5=\\=3*10^{3+5}=3*10^8$

$d=4*10^{-7}*7.5*10^{14}=30.0*10^{-7+14}=30*10^7=3*10*10^7=\\=3*10^{1+7}=3*10^8$

Therefore, all products of these different wavelengths and their associated frequencies render the exact same answer : $3*10^8$ , which means that as one of these quantities increase, the other one will decrease in the same proportion to give the same numerical answer.

This means that the two quantities are associated via inverse proportionality. As seen in the equation below, if the quantities "x" and "y" are related by inverse proportionality (shown as one equals a constant "A" divided by the other variable), their product x*y will give that constant value "A" (which in our case is $3*10^8$ .

$x=\frac{A}{y} \\x*y=A$

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3 years ago