3 years ago

If the ratio of a to b is 10 to 3 then a is

1 answer:

7 0

Answer:

Step-by-step explanation:

because the other arent right

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Lemur [1.5K]

Know that:

sin(β)=Opposite/Hypotenuse

Therefore:

sin(54)=x/10

Therefore:

x=10*sin(54)

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saveliy_v [14]

Answer:

B. $33.7 mm; 54mm^2$

Step-by-step explanation:

To find the perimeter, use the formula:

P = a + b + c

P = 12 + 12 + 9.7

P = 33.7

To find area, use the formula:

A = $\frac{1}{2} bh$

A = $\frac{1}{2} (12)(9)$

A = $\frac{1}{2} (108)$

A = 54

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5x^2 (5x^2 - 3x - 1) = 25x^4 - 15x^3 - 5x^2

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