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Harrizon [31]
3 years ago
15

Please solve with explanation

Mathematics
1 answer:
Inga [223]3 years ago
4 0

Answer:

a. Simplify each term. 49/2+0

Add 49/2 and 0.

49/2

The result can be shown in multiple forms.

Exact Form:

49/2

b. Replace the variable a with −13 in the expression.

−(−1/3)²b²−3(−1/3)³b²

Replace the variable b with −1 in the expression.

−(−1/3)²(−1)²−3(−1/3)³(−1)²

Simplify each term. −1/9+1/9 = 0

Combine fractions. 0

Step-by-step explanation:

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AB and CD are straight lines. Find AOD.​
Anon25 [30]

Answer:

106°

Step-by-step explanation:

AOD = COB (because of vertical angles)

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COF = 90

FOB = 16

COB = 90 + 16 = 106

AOD = 106

Hope this helps :)

Have a nice day!

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