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lutik1710 [3]
3 years ago
15

Are these answers correct?

Mathematics
1 answer:
LenKa [72]3 years ago
4 0
Yes it is correct :)
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san4es73 [151]
25 that how much she will need

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2 years ago
A=2,b=1 and c=4.What is 3ac-a+2b
kati45 [8]

Step-by-step explanation:

a = 2

b = 1

c = 4

<h2>Question:</h2>

3ac - a + 2b

= Solution ,

= 3 × 2 × 4 - 2 + 2 × 1

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2 years ago
Describe how you would find 24+ 36 using mental math
FinnZ [79.3K]

Answer:

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3 years ago
Here's another geometry thing I suck at...
solniwko [45]
A = 133; b = 31; c = 82; d = 64.
Opposite angles in an inscribed quadrilateral are supplementary; this means that d + 116 = 180.  Subtracting 116 from both sides, we have d = 64.

By the same theorem, c + 98 = 180; subtracting 98 from both sides, we have c = 82.

Inscribed angles are equal to 1/2 the measure of the intercepted arc.  Using this, we have

116 = 1/2(a+99)

Multiplying both sides by 2, we have 
232 = a+99

Subtract 99 from both sides:
232 - 99 = a + 99 - 99
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We also have that 
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Multiplying both sides by 2, we have:
164 = 133 + b

Subtract 133 from both sides:
164 - 133 = 133 + b - 133
31 = b
6 0
3 years ago
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