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VMariaS [17]
3 years ago
15

Which measurement is equivalent to 21 yards? O 1.75 ft O 7ft O 63 ft O 252 ft

Mathematics
2 answers:
Natali [406]3 years ago
3 0

Answer:

63 ft

Step-by-step explanation:

Multiply your yard value by 3 to find it's value in feet.

<em>(Remember that 1 yard = 3 feet.)</em>

21<em>y</em> x 3 = 63<em>ft</em>

kondor19780726 [428]3 years ago
3 0

Answer:

63

Step-by-step explanation:

21 \times 3 = 63 \\

if you're trying to change yards into feet, just multiply it by 3

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Answer:

it's D

Step-by-step explanation:

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3 years ago
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Question :
Elza [17]

Answer:

C) 405.3 ft

Step-by-step explanation:

A triangle is a polygon with three angles and three sides. Types of triangle are scalene, isosceles, equilateral, right angled triangle.

Given a triangle with angles A, B, C and the corresponding sides directly opposite to the angles as a, b, c. The sine rule states that:

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

In the triangle formed by point C, ship B and ship A, we have ∠A = 82°, ∠B = 78°, c = AB = 140 ft. Hence:

∠A + ∠B + ∠C = 180° (sum of angles in a triangle)

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Using sine rule:

\frac{c}{sin(C)}=\frac{a}{sin(A)}\\\\\frac{140}{sin(20)}=\frac{a}{sin(82)}\\\\a=    \frac{140*sin (82)}{sin(20)}\\\\a=405.3\ ft

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tia_tia [17]

Answer:

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Step-by-step explanation:

Refer to the vertex form equation for a parabola:

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