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spayn [35]
3 years ago
12

Which is the least common denominator of 3/4 4/5 and 2/3

Mathematics
2 answers:
vfiekz [6]3 years ago
7 0
Wow!  Here you have 3 fractions with 3 different denominators that have nothing in common.  In cases such as this one you find the LCD by mult. all of the given denominators together.  Thus, in this case, your LCD is 4(5)(3) = 60.
OLga [1]3 years ago
5 0
To find the least common denominator of the three fractions, list out the multiples of each denominator:

Multiples of 3: {3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60}
Multiples of 4: {4,8,12,16,20,24,28,32,36,40,44,50,55,60}
Multiples of 5: {5,10,15,20,25,30,35,40,45,50,55,60}

The least common denominator of these three fractions is 60.
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Answer:

Step-by-step explanation:

Yes

Theorem 8.3: If two angles are complementary to the same angle, then these two angles are congruent.

∠A and ∠B are complementary, and ∠C and ∠B are complementary.

Given: ∠A and ∠B are complementary, and ∠C and ∠B are complementary.

Prove: ∠A ~= ∠C.

 Statements Reasons

1. ∠A and ∠B are complementary, and ∠C and ∠B are complementary. Given

2. m∠A + m∠B = 90º , m∠C + m∠B = 90º Definition of complementary

3. m∠A = 90 º - m∠B, m∠C = 90º - m∠B Subtraction property of equality

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Answer:

\large \boxed{\text{A. 3.0 h}}

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\text{Hours worked} = \$165 \times \dfrac{\text{1 h}}{\$55} = \textbf{3.0 h}\\\\\text{The electrician was on the job for $\large \boxed{\textbf{3.0 h}}$}

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