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Doss [256]
2 years ago
6

A) Factorise a^2 - b^2​

Mathematics
1 answer:
Vadim26 [7]2 years ago
7 0

Answer:

a·a-b·b

Step-by-step explanation:

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Explain one way to add 3 digit numbers
Ray Of Light [21]
You can add them like this:

so if 156 + 213 + 109 was the equation then you would

first put them in order from biggest to smallest

213
156
+109
-----------

then add:

¹ ← ←
213 ↑
156 ↑
+109 ↑
---------↑ ( carry the 10 )
478 (add the ¹ )

then you get the answer 478!

hope that helps :)
4 0
3 years ago
Solve: 7+42*3^(2-3a)=14*3^-2a+7<br> A=-3<br> a=0<br> a=3<br> a=no solution
bekas [8.4K]

Answer:C

Step-by-step explanation:

4 0
3 years ago
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The equation y = 13x describes the amount of money Sarah earns, where x is the number of hours she works
enot [183]

Answer:

A) $14/hr B) Austin

Step-by-step explanation:

A)

If he earns $140 in 10 hours you can divide 140 by 10 to find out how much he makes per hour

B)

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8 0
3 years ago
Find the Mean, Median, Mode and Range of each series. Mean: 126 ÷ 9 = 14 1) 6 , 12 , 8 , 4 , 16 , 16 , 6 , 16 , 9 93 ÷ 9 2) 13 ,
Nadya [2.5K]

Answer:

129-14 is 115 than minus 6 than add 12

Step-by-step explanation:

7 0
2 years ago
The above is a a a a a a a a a a a a a a a a a a a
Reptile [31]

X f πxf

-1 2 -2

3 1 3

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0 -3 0

total =3

mean (π)=πxf ÷n

= 3÷4

= 0.75 these is not answer I thank so

3 0
3 years ago
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