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Leni [432]
3 years ago
9

A bag contains an equal number of blue, green, pink, and red balls. If a ball is chosen at random 160 times, with replacement, p

redict the number of times the ball would be the color green.
Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
3 0

Any one color would be 1/4 of the total. So the number of times you should get red is 1/4 of 160 = 40

Notice that this very odd problem does not depend on what the total is. It only depends on the number of times you make the draw. Unusual q

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AD ??????? so confused what the
Andre45 [30]

Answer:

3.6 cm

Step-by-step explanation:

<u>Triangle Proportionality Theorem</u>

BD : DE = BA : AC

⇒ 6 : 10 = BA : 16

⇒ \mathsf{\dfrac{6}{10} = \dfrac{BA}{16}}

⇒ \mathsf{BA=\dfrac{6}{10} \times16}

⇒ BA = 9.6

AD = BA - BD

⇒ AD = 9.6 - 6 = 3.6 cm

4 0
2 years ago
Screenshot of question below
MaRussiya [10]
Area: 20 x 30 so 600
perimeter: 20 + 20 + 30 + 30 = 100
8 0
3 years ago
Question Progress<br>Homework Progress<br>5/18 Marks<br>The ratio 15:3 in its simplest form is<br>I​
AURORKA [14]

1. 15/3:3/3

2. 5:1

1. find the same denominator

2. divide by denominator

5 0
3 years ago
Please help it’s timed !!!! 80 points!!!!
Irina18 [472]

Answer:

The answer to your question is the letter a) √3/3

Step-by-step explanation:

Data

find tan 30°

Use the triangle 30°-60°-90°  (see the picture below)

Tangent is the trigonometric function that relates the Opposite side and the adjacent side.

                     tan Ф = Opposite side / Adjacent side

-Substitution

                    tan Ф = 1/√3  

            or     1/√3  √3/√3 = √3/3

3 0
3 years ago
Read 2 more answers
Wayne has 303 marbles if he gives away 123 of the marbles equally to 3 friends about how many marbles will wayne give each frien
Lera25 [3.4K]

Answer:

Each friend receives 41 marbles, Wayne has 180 marbles left.  

Step-by-step explanation:

Wayne starts with 303 marbles total.  If he decides to give 123 of his marbles away to his friends, we can subtract this amount from his total to get how many he has left:

303 - 123 = 180 marbles left

We also want to know how many marbles each of his three friends receives.  Since he wants to split them equally, we need to divide the number he is giving away by 3:

123 ÷ 3 = 41 marbles a piece to each friend

6 0
4 years ago
Read 2 more answers
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