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2 years ago

14

Select “spin” to start the spinner. Perform the experiment with 50 trials. What’s the experimental probability of the spinner la

nding on red?

2 answers:

Tanya [424]2 years ago

7 0

Answer:

1/10

Step-by-step explanation:

Ainat [17]2 years ago

4 0

Answer:

5/50 or 1/10

Step-by-step explanation:

Both are correct, but the best answer is 1/10 because it is the simplest, and its reduced form.

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As she climbs a hill, a cyclist slows down from 25 km/hr to 3 km/hr in 10 seconds. What is her deceleration?

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Deceleration is always the opposite of Acceleration so is negative. So deceleration =-2.2m/s^2

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Valerie shares some of the 12 candies from this box.she gives her friend 1 candy for every 3 candies she eats herself. How many

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3

Step-by-step explanation:

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Solve 4x - c= k for x.

lapo4ka [179]

<em>Answer:</em>

<em>x = (k + c)/4</em>

<em>Step-by-step explanation:</em>

<em>4x - c = k</em>

<em>4x = k + c</em>

<em>x = (k + c)/4</em>

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Tina was observing the changing heights of a ball as it bounced over time. She graphed the function on this coordinate grid to s

timama [110]

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Step-by-step explanation:

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Please help with the question in the picture!

Stella [2.4K]

Answer:

Tan C = 3/4

Step-by-step explanation:

Given-

∠ A = 90°, sin C = 3 / 5

<u>METHOD - I</u>

<u><em>Sin² C + Cos² C = 1</em></u>

Cos² C = 1 - Sin² C

Cos² C = $1 - \frac{9}{25}$

Cos² C = $\frac{25 - 9}{25}$

Cos² C = $\frac{16}{25}$

Cos C = $\sqrt{\frac{16}{25} }$

Cos C = $\frac{4}{5}$

As we know that

Tan C = $\frac{Sin C}{Cos C }$

<em>Tan C = $\frac{\frac{3}{5} }{\frac{4}{5} }$ </em>

<em>Tan C = $\frac{3}{4}$ </em>

<u>METHOD - II</u>

Given Sin C = $\frac{3}{5} = \frac{Height}{Hypotenuse}$

therefore,

AB ( Height ) = 3; BC ( Hypotenuse) = 5

<em>∵ ΔABC is Right triangle.</em>

<em>∴ By Pythagorean Theorem-</em>

<em>AB² + AC² = BC²</em>

<em>AC² </em><em>= </em><em>BC² </em><em>- </em><em> AB</em><em>² </em>

<em>AC² = 5² - 3²</em>

<em>AC² = 25 - 9</em>

<em>AC² = 16</em>

<em>AC ( Base) = 4</em>

<em>Since, </em>

<em>Tan C = $\frac{Height}{Base}$ </em>

<em>Tan C = $\frac{AB}{AC}$ </em>

<em>Hence Tan C = $\frac{3}{4}$ </em>

<em />

4 0

2 years ago