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2 years ago

Can you solve 8/2(2+2)?

Mathematics

2 answers:

Mazyrski [523]2 years ago

8 0

2+2 =4
2x4=8
8 divided by 8 =1

svetlana [45]2 years ago

6 0

Answer:

Step-by-step explanation:

PEMDAS

2+2=4

2*4=8

8/8=1

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1. 28

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3 years ago

Which of the following phrases can be used to represent -11?

Reptile [31]

Answer:

eleven below zero

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the reciprocal of 8 5/6

VashaNatasha [74]

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4 0

3 years ago

Solve for x plz show all the work. x/3=6

saul85 [17]

Answer: x=18

Step-by-step explanation:

X/3=6

We want to get x alone so we multiply both sides by 3

X=18

4 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