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Marysya12 [62]
3 years ago
9

Can someone explain to me how to do this? And what the answer is.

Mathematics
2 answers:
uysha [10]3 years ago
5 0

Answer:

6

Step-by-step explanation:

3 2/3 is the same as 11/3

2.33333... is the same as 2 1/3 and 7/3

11/3 + 7/3 = 18/3 = 6

Multiply the whole times the denominator and add that number to the top

Numerators can add. Denominators cannot.

Svetllana [295]3 years ago
3 0

Answer:

6

Step-by-step explanation:

3.6repeating=3 2/3

2.3repeating=2 1/3

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In triangleABC, angle B= 90 degrees, cos(C)=15/17 and AB = 16 what is the measure of Angle A, Angle C and angle AC
Sergeeva-Olga [200]

Answer:

m∠C=28°, m∠A=62°, AC=34.1 units

Step-by-step explanation:

Given In ΔABC, m∠B = 90°, , and AB = 16 units. we have to find m∠A, m∠C, and AC.

As,  cos(C)={15}/{17}

⇒ angle C=cos^{-1}(\frac{15}{17})=28.07^{\circ}\sim28^{\circ}

By angle sum property of triangle,

m∠A+m∠B+m∠C=180°

⇒ m∠A+90°+28°=180°

⇒ m∠A=62°

Now, we have to find the length of AC

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The length of AC is 34.1 units

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3 years ago
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