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lys-0071 [83]
3 years ago
13

Please help me ☺️☺️☺️☺️☺️☺️☺️☺️☺️☺️☺️☺️☺️

Mathematics
2 answers:
V125BC [204]3 years ago
6 0
3x+6x=90
9x=90
x=10
...................
Olegator [25]3 years ago
5 0
Two complementary angles make a total of 90, so 3x+6x=90, x=10
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pentagon [3]
Liza is wrong because...

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4 0
3 years ago
What is 5.9 as a mixed number and a improper fraction?
denis23 [38]

Answer:

Improper Fraction- 5.9= 59/10

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Step-by-step explanation:

7 0
3 years ago
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balandron [24]
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3 years ago
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lys-0071 [83]
SA: 2pi (r^2)+2pi(r)(h)
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7 0
3 years ago
Please help me
Bumek [7]

Answer:

10

Step-by-step explanation:

4 0
3 years ago
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