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ludmilkaskok [199]

3 years ago

7

In a group of bird-watchers, 3 out of every 5 people have seen a bald eagle. What percent of the bird-watchers have not seen a

bald eagle?

1 answer:

Salsk061 [2.6K]3 years ago

8 0

40% of the group have not seen a bald eagle.

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The equation a = (b1 + b2)h can be used to determine the area, a, of a trapezoid with height, h, and base lengths, b1 and b2. Wh

Arlecino [84]

Hb1+hb2=a
a/h=b1+b2
a/(b1+b2)=h

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2 years ago

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Mkey [24]

Answer:

the second option

Step-by-step explanation:

the SSS congruence postulate would be used

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3 years ago

Evaluate -x - y when x = -12 and y = 2

xz_007 [3.2K]

Answer:

-14

Step-by-step explanation:

subtract

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3 years ago

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A high school football pennant is in the shape of an isosceles triangle. The base is 18 inches long. The sides meet at an angle

Oksanka [162]

Answer:

The length of each side is 26.3 cm

Step-by-step explanation:

Opposite sides of an isoceles triangle are equal

The isoceles triangle is divided into 2 right-angled triangles so the length of one side can be calculated using trigonometric ratio

When the isoceles triangle is divided, the angle in the right-angled triangle is 20° (1/2 of 40°) and the base is 9cm (1/2 of 18 cm), the hypotenuse side is calculated using trigonometric ratio

Let the length of the hypotenuse side be y

9/y = sin 20°

y = 9/0.3420 = 26.3

Length of each side is 26.3 cm

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3 years ago

You are going to play a game where you bet a dollar and get to flip a coin ten (10) times. If you get four (4) heads in a row, y

klio [65]

Answer:

Approximately 4,000 times

Step-by-step explanation:

If you're flipping a coin to get 4 heads out of 10 and you times it by 10,000 then you would have a probable win rate of 4,000.

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3 years ago