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anzhelika [568]
3 years ago
9

Help me with this one please

Mathematics
1 answer:
satela [25.4K]3 years ago
6 0

Answer:

15

Step-by-step explanation:

a² + b² = c²

9² + 12² = c²

81 + 144 = c²

c² = 225

\sqrt{c^2} =\sqrt{225}

c = 15

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3 tenths + 4 Tenths = __0.7____ tenths
vovangra [49]

Answer:

7 tenths

Step-by-step explanation:

3 tenths + 4 tenths = 3/10 + 4/10 = 0.3 + 0.4 = 0.7

= 7 tenths

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Answer:

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Step-by-step explanation:Hope this is correct

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What is the value of the expression shown below? 8 + (7 + 1) 2 ÷ 4 ⋅ 2
Leni [432]
The answer is 10

8+(8)2÷4·2    
8+16÷4·2    4·2=8 then 16÷8       
8+2=10

just use PEMDAS

6 0
3 years ago
Please help to solve it step by step, (show working) please help me
ANTONII [103]
I'm assuming you only need the first triangle. You didn't specify. If you need it after I answer the first one I'll be happy to help though.

To find the area of a triangle you go b(h)/2=a

6cm(3cm)/2
18/2
Area=9

To find the perimeter you add all of the sides together.

4+4+6=P
4+10=P
14= Perimeter
7 0
4 years ago
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11 pints I believe. Good luck
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3 years ago
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