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2 years ago

Sally has 120 inches of yarn. She bought 75 more inches. How many inches of yarn does she now have?

Mathematics

2 answers:

densk [106]2 years ago

7 0

Add 120 +75 this leaves you with 195 .....so 195 in.

Sphinxa [80]2 years ago

5 0

120 plus 75 makes a total of 195

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2 years ago

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Aleksandr [31]

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Stolb23 [73]

Answer:

Approximatley 5.8 units.

Step-by-step explanation:

We are given two angles, ∠S and ∠T, and the side opposite to ∠T. We need to find the unknown side opposite to ∠S. Therefore, we can use the Law of Sines. The Law of Sines states that:

$\frac{\sin(A)}{a}=\frac{\sin(B)}{b} =\frac{\sin(C)}{c}$

Replacing them with the respective variables, we have:

$\frac{\sin(S)}{s} =\frac{\sin(T)}{t} =\frac{\sin(R)}{r}$

Plug in what we know. 20° for ∠S, 17° for ∠T, and 5 for <em>t</em>. Ignore the third term:

$\frac{\sin(20)}{s}=\frac{\\sin(17)}{5}$

Solve for <em>s</em>, the unknown side. Cross multiply:

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2 years ago

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