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oksano4ka [1.4K]
3 years ago
14

A bag contains 3 green marbles and 8 white marbles. Suppose a marble is randomly selected. What are the odds in favor of picking

a white marble?
Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
5 0
8/11 or 72.7272727272%
KatRina [158]3 years ago
4 0
It would be 7 out of 11 because there are 8 marbles and you only took out one white marble

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Find the angle of depression from the top of a lighthouse, 260 feet above water to a ship that's 270 feet offshore?
expeople1 [14]

Answer: OPTION C.

Step-by-step explanation:

Observe the triangle ABC attached.

Notice that the angle of depression is represented with \alpha.

Knowing that the top of a lighthouse is 260 feet above water and the ship is 270 feet offshore, you can find the value of  \alpha by using arctangent:

\alpha= arctan(\frac{opposite}{adjacent})

In this case you can identify that:

opposite=260\\adjacent=270

Therefore, substuting values into  \alpha= arctan(\frac{opposite}{adjacent}), you get that the angle of depression is:

 \alpha= arctan(\frac{260}{270})\\\\\alpha=43.92\°

4 0
3 years ago
Which of the following is the correct factorization of the polynomial below?
alexandr1967 [171]
X + 7 might be right
8 0
3 years ago
George ate 4 slices of pizza if this was 25% of the slices at the dinner table how many slices were there at the table to start
Lisa [10]
There were 16 slices

5 0
3 years ago
A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of the culture 6
Leto [7]
<h2>Number of bacteria after 6 days is 2313</h2>

Step-by-step explanation:

Population after n days is given by

              P_n=P_0(1+r)^n

Initial population, P₀ = 1000

Increase rate, r = 15 % = 0.15

Number of days, n = 6

Substituting

             P_n=P_0(1+r)^n\\\\P_6=1000(1+0.15)^6\\\\P_6=1000(1.15)^6\\\\P_6=1000\times 2.313\\\\P_6=2313

Number of bacteria after 6 days = 2313

7 0
3 years ago
Read 2 more answers
What two numbers has a gcf of 2 and a lcm of 60?​
Monica [59]

GCF - Greatest Common Factor

The numbers with a GCF of 2:

2 & 4, 2 & 8, 26 & 46...

LCM -Least Common Multiple

Numbers with an LCM of 60:

15 & 4, 12 & 5...

Hope it helps! :-)

Answered by

*GraceRosalia*

5 0
2 years ago
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