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trasher [3.6K]
3 years ago
14

What is 4/10 of 0.04

Mathematics
2 answers:
faltersainse [42]3 years ago
6 0
You divide 0.04 by 10 then multiply that by 4.
0.04/10=0.004
0.004•4=0.016
cluponka [151]3 years ago
3 0
4/10  x 0.04 = (of means multiply)
0.4 x 0.04 =
0.016
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Given triangle DEF where ∠D = (7b +1)∘, ∠E = (2b + 1)∘, and ∠F = ( b + 8)∘. What is the measure of ∠E?
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<h3>Answer:  35 (choice C)</h3>

=============================================

Explanation:

For any triangle, the three interior angles always add to 180.

D+E+F = 180

(7b+1) + (2b+1) + (b+8) = 180

(7b+2b+b) + (1+1+8) = 180

10b+10 = 180

10b = 180-10

10b = 170

b = 170/10

b = 17

Use this value of b to find the three angle measures

  • D = 7b+1 = 7*17+1 = 119+1 = 120
  • E = 2b+1 = 2*17+1 = 34+1 = 35 degrees
  • F = b+8 = 17+8 = 25

As a check,

D+E+F = 120+35+25 = 120+60 = 180

which helps confirm the correct answers.

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2 years ago
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Aeen is drinking a beverage that has a pH of 3.3. Marien is drinking a beverage that has a pH of 2.7. About how many time the hy
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3 0
2 years ago
Read 2 more answers
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