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3 years ago

8/9 x 1/12 = simplified

Mathematics

2 answers:

egoroff_w [7]3 years ago

3 0

2/27

Hope it helps and please make mine the Brainliest answer!

irinina [24]3 years ago

3 0

2/27
You divide the fractions

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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

3 years ago

Find the mode for the scores 3,760, 5,200, 8,750, 4,400, 5,250

Semenov [28]

There is no mode in these scores.

This is because mode is when two numbers show up the same like 4 and 4.

8 0

2 years ago

What will be the answer if we multiply a+b by ab

VARVARA [1.3K]

Step-by-step explanation:

(a+b)(ab)

${a}^{2} b + a {b}^{2}$

6 0

3 years ago

Same way of solving<br>

Paul [167]

Answer

96 inches cubed

Step-by-step explanation:

Ok, same way of solving then. Just with a few more useless numbers. Take rectangular prism A, 6in x 3in x 3in, you will get 54in^3.

Then take prism B, 2in x 3in x 7in, you will get 42in^3.

Finally, take those two numbers, add them, and you end up with 96in^3

6 0

3 years ago

On Tuesday, it snowed 15 inches in 6 hours. On Friday, it snowed 30 inches in 8 hours. On which day did it snow at a greater r

Viktor [21]

Answer: Friday, 1.25 more per hour

Step-by-step explanation: if we take the inches it snowed and divide it by the hours, we get the rate of snowfall for one hour. 15/6=2.5 and 30/8=3.75

To get how much more we take the bigger snowfall per hour minus the smaller snowfall per hour 3.75-2.5=1.25

6 0

2 years ago