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NikAS [45]
3 years ago
11

Can someone help me with this excercises plz:

Mathematics
1 answer:
nignag [31]3 years ago
4 0

Answer:Either

9

+

(

k

−

17

)

or

(

9

+

k

)

−

17

depending upon what you meant by

"sum of 9 and k minus 17"

(the resultant value would be the same, but the expression would be different).

Step-by-step explanation:

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4 0
3 years ago
How?!? I don't know what to do
Goshia [24]
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3 0
3 years ago
4a + 6b= 10 2a - 4b =12 what does 12a=
mixer [17]
4a + 6b = 10
2a - 4b = 12...multiply by -2
----------------
4a + 6b = 10
-4a + 8b = - 24 (result of multiplying by -2)
------------------add
14b = - 14
b = -14/14
b = -1

2a - 4b = 12
2a - 4(-1) = 12
2a + 4 = 12
2a = 12 - 4
2a = 8
a = 8/2
a = 4

so 12a = 12(4) = 48 <==
3 0
3 years ago
A semi circle shaped rug has a diameter of 2 feet what is the area of the rug
Hitman42 [59]
For the full circle, Area = pi(r)^2
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3 0
3 years ago
10 pecebt in simplest form
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10%
= 10/100
= 1/10

10% in its simplest form is 1/10~
7 0
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