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castortr0y [4]
3 years ago
12

Describe how you regroup When you find the sum of 64+43

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

Answer:

To regroup the sum, we need to first break them in tens and ones and then regroup them according to their place values.

Given sum:- 64+43, where 64 can be written as 60+4 and 43 can be written as 40+3, now regroup tens and ones particularly , we get

64+43

=60+4+40+3 [breaking]

=60+40+4+3 [combine according to the corresponding place values ]

=(60+40)+(4+3) [put parenthesis]

=100+7=107

lions [1.4K]3 years ago
4 0
64 + 43 = 107
107 - 43 = 64
107 - 64 = 43

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Which is the correct operation for 45-3x5
Sliva [168]
You want to use PEMDAS for this.
<em>P</em>= arenthesis ( )
<em>E</em>= xponents a²
<em>M</em>= ultiply ×
<em>D</em>= ivide ÷
<em>A</em>= dd +
<em>S</em>= ubtract -

What you want to do is go in order and ask yourself as you go.
Are there any <u><em>Parenthesis</em></u>? <em>No
</em>Are there any <u><em>Exponents</em></u><em />? <em>No</em>
Is there any <em /><u><em>Multiplication</em></u><em />? <em>Yes
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<em />Is there any <em><u>Division</u></em>? <em>No
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<em />Is there any <em><u>Addition</u></em>? <em>No
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<em />Is there any <em><u>Subtraction</u></em><u />? <em>Yes</em><em>
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<em />Thats when you stop and you multiply what you have in the PEMDAS. Top to bottom. 3x5 which gives you 15. Now you equation is 45-15. Thats when you subtract and you get your answer which is 30.
6 0
3 years ago
Write the equation for a parabola with a focus at (0,-5) and a directrix at y=-3
Olenka [21]
-4y -16 = x^2
All done
7 0
3 years ago
What is the ans?<br> what is the ans of it
umka21 [38]
We have 20 chances out of 100 which is 20/100=1/5 other known as 1 in 5 chance

The even numbers are 2, 4, 6, .., 100. 50 chances out of 100 which is 50/100=1/2 other know as 1 in 2 chance
6 0
3 years ago
Add -2 + (-7) = what is the answer
lina2011 [118]

Answer: -9

Step-by-step explanation: 2 + 7 = 9 and just put an negative in front of 9

<h2>-9 -_-</h2>

6 0
3 years ago
Read 2 more answers
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