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Serhud [2]
3 years ago
5

Suppose you are adding 43 and 28 .will you regroup. Explain

Mathematics
2 answers:
snow_lady [41]3 years ago
8 0
If you are adding 43 and 28 , you will regroup because if you're adding two digits  you can trade them in for seven tens and 1 one . ( I'm in 7th grade and knows this ) But you're welcome :)
jarptica [38.1K]3 years ago
7 0
Yes you will, 8 + 3 is greater than 9 so you will regroup 
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Tell wether the triangle with the given side is a right triangle.
BlackZzzverrR [31]

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Step-by-step explanation:

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8 0
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3. The product of two even numbers is always divisible by 4.<br> a) True<br> b) false
lisov135 [29]

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8 0
2 years ago
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victus00 [196]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Create an equivalent system of these equations and test your solution <br> x + y = 1<br> x 3y =9
ad-work [718]
An equvilent equation
remember you can do anything to an equation as long asyou do it to both sides


assuming yo have
x+y=1 and
x-3y=9
mulitply both by 2
2x+2y=2
2x-6y=18
those are equvilent



ok, solve initial

x+y=1
x-3y=9
multiply first equation by -1 and add to 2nd equation


-x-y=-1
<u>x-3y=9 +</u>
0x-4y=8

-4y=8
divide both sides by -4
y=-2

sub back
x+y=1
x-2=1
add 2
x=3


x=3
y=-2
(3,-2)

if we test it in other one

2x+2y=2
2(3)+2(-2)=2
6-4=2
2=2
yep

2x-6y=18
2(3)-6(-2)=18
6+12=18
18=18
yep


solution is (3,-2)
4 0
3 years ago
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