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Yuki888 [10]
3 years ago
15

Solve by elimination: -x+2y=17 2x+2y=-10

Mathematics
1 answer:
IRINA_888 [86]3 years ago
5 0
The equation form of this answer is X=7 y=-12
Point form is (7,-12)
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You are at a restaurant and your bill comes to $31.18. The sales tax is 6% and you give the waitress a 20 percent tip on the tot
Vanyuwa [196]

Answer:

$ 0.34   or 34 cents

Step-by-step explanation:

Bill amount = $31.18

sales tax = 6%  of $31.18

             =  0.06 ($31.18)

             = $1.8708

Bill with tax = $31.18+$1.8708

                  = $33.0508

value of tip = 20% of 33.0508

                   =  6.61016

Total  payment  = 33.0508+ 6.61016

                           = $39.66096

                          or $39.66

                         We get change of $40 - $39.66

                                                = $ 0.34        

We shall get back in  cents that will be 34   cents


7 0
4 years ago
The expression (-1)(3)(-3)(5) equals<br> A. 45<br> B, 4<br> C, 12<br> D, 45
klasskru [66]
The answer is A. 45 for sure
8 0
3 years ago
Simplify the following expression. 12a^3b^6c^5/3a^2b^4c^5
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Is this how your problem is written (see attached image) If so, the answer is A. 4ab^2
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4 years ago
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Answer:

Step-by-step explanation:

4x = 3x+15

x = 15 minutes

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