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3 years ago

2^3 rational or irrational

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

3 0

I'm pretty sure it is rational. Hope this helps!

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help finding the perimter of 78.4 inches whats the length of each side and show me how to work the promblem

LuckyWell [14K]

A square has four even sides and the perimeter is equal to the sum of all of the sides.
$P=s+s+s+s=4s$
So we can evaluate the equation for P and then solve for s.
$78.4=4s \\ \frac{78.4}{4} =s \\ s=19.6in$

6 0

3 years ago

5+2(w-6) how do i rewrite as addition and solve?

Firdavs [7]

Answer:

$2w - 7$

Step-by-step explanation:

1) Expand by distributing terms.

$5 + 2w - 12$

2) Collect like terms.

$2w + (5 - 12)$

3) Simplify.

$2w - 7$

Therefor, the answer is 2w - 7.

7 0

2 years ago

3 doughnuts and 2 cakes costs £7.

Rufina [12.5K]

Answer:

cost of the doughnut = 1

cost of the cake =2

5 0

3 years ago

Combine like terms. 2y2 – 5+1 + 2y2 – 6y2 – 3 – 4y ASAP someone help please

AnnZ [28]

Answer:

-2y2 - 4y - 7

Step-by-step explanation:

2y2 + 2y2 - 6y2 - 4y - 5 - 3 + 1

4y2 - 6y2 - 4y - 8 + 1

-2y2 - 4y - 7

3 0

3 years ago

Read 2 more answers

How many solutions does 3x = 2x + 4 have

Sloan [31]

Answer:

One Solution: x = 4

Step-by-step explanation:

Step 1:

3x = 2x + 4 Equation

Step 2:

3x - 2x = 4 Subtract 2x on both sides

Answer:

x = 4

Hope This Helps :)

6 0

2 years ago