2 years ago

HELP I NEED THIS ANSWERED!!!!!!! MY MOM WILL KILL ME

Mathematics

1 answer:

Damm [24]2 years ago

8 0

Answer: i think it's 16

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The population of a small country is 5,740,000. express this number using scientific notation

Licemer1 [7]

So scientific notation is making the number manageable.

scientific notation is
(a number >1 and <10) times 10^x

we count how many places the decimal has to move to make the number >1 and >10.

the answer is 6.
5.74 times 10^6

8 0

2 years ago

Prove that if r is any rational number, then 3r2 − 2r + 4 is rational. The following properties may be used in your proof. Prope

ziro4ka [17]

Given:

Expression is

$3r^2-2r+4$

To prove:

If r is any rational number, then $3r^2-2r+4$ is rational.

Step-by-step explanation:

Property 1: Every integer is a rational number. It is Theorem 4.3.1.

Property 2: The sum of any two rational numbers is rational. It is Theorem 4.3.2.

Property 3: The product of any two rational numbers is rational. It is Exercise 15 in Section 4.3.

Let r be any rational number.

We have,

$3r^2-2r+4$

It can be written as

$3(r\times r)-2r+4$

Now,

3, -2 and 4 are rational numbers by property 1.

$r^2=r\times r$ is rational by Property 3.

$3r^2\text{ and }-2r$ are rational by Property 3.

$3r^2+(-2r)+4$ is rational by property 2.

So, $3r^2-2r+4$ is rational.

Hence proved.

6 0

2 years ago

At a carnival, the cost to play a bowling game is $2, plus $0.40 for each attempt to knock over the pins. Which inequality would

liq [111]

Answer:

Step-by-step explanation:

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2 years ago

What is 35/6 in simplest form

Len [333]

Its already in simplest form u cant simplify it hope this helps!!

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3 years ago

IT IS A ANGLE QUESTION <br><br> PLS HELP

gogolik [260]

Answer:

I think its a cute angle im not sure

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2 years ago

HELP I NEED THIS ANSWERED!!!!!!! MY MOM WILL KILL ME​

HELP I NEED THIS ANSWERED!!!!!!! MY MOM WILL KILL ME