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trvptierra
06.01.2022 •
Mathematics
How do you know which part of the numerical expression to evaluate first? (26 + 2.5) - ((8.3 x 3) + (1 to the power of 3 - 0.25))
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Ответ:
This shows the order to evaluate the equation.
First you add up the things inside brackets, because B is at the beginning of BIDMAS.
Let’s say you have
(5+3) - (4-2)
You first simplify the brackets.
(5+3) = ?. = 8. Now we have
8 - (4-2)
We still need to simplify the other bracket
(4-2) = ?. = 2.
Now we have 8 - 2.
The answer is 6.
You can do the same for that long equation, just remember the order of operation - BIDMAS.
Let’s pretend the / sign means divide.
Let’s say you have 8 x 4 / 3
The order of operations is BIDMAS - Divide comes before Multiply. S… we first divide the 4 by 3. (Okay, this was a bad example cause it gives a horrible decimal) it gives us 1.3.
Now we have
8 x 1.3.
Times those together and that’s you answer.
One more example.
8 / 4 x 3
Divide comes first, right? So we divide 8 by 4. And we get 2.
Now we have 2 x 3. Times those together and you have 6!
Now my explaining wasn’t that great, it’s my first time but I really tried hard to help so let me know if you need more explaining, and to what detail.
Always happy to help! :D
Ответ:
Step-by-step explanation:
Ever heard of BIDMAS? Brackets Indices Divide Multiply Add SubtractThis shows the order to evaluate the equation.First you add up the things inside brackets, because B is at the beginning of BIDMAS.Let’s say you have(5+3) - (4-2)You first simplify the brackets.(5+3) = ?. = 8. Now we have8 - (4-2)We still need to simplify the other bracket(4-2) = ?. = 2.Now we have 8 - 2.The answer is 6.You can do the same for that long equation, just remember the order of operation - BIDMAS.Let’s pretend the / sign means divide.Let’s say you have 8 x 4 / 3The order of operations is BIDMAS - Divide comes before Multiply. S… we first divide the 4 by 3. (Okay, this was a bad example cause it gives a horrible decimal) it gives us 1.3.Now we have8 x 1.3.Times those together and that’s you answer.One more example.8 / 4 x 3Divide comes first, So we divide 8 by 4. And we get 2.Now we have 2 x 3. Times those together and you have 6!Now my explaining wasn’t that great, it’s my first time but I really tried hard to help so let me know if you need more explaining, and to what detail.Ответ:
Christian made $191.25 and Kenneth made $127.50 each.
Step-by-step explanation:
With each dog, you multiply how many dogs with the amount of cash they get each dog.
Christian: 15x12.75= $191.25
Kenneth: 10x12.75= $127.50
So you just multiply the amount of dogs with money :)