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faust18 [17]
3 years ago
8

(3 x 10e-4) ( 3 x 10e7)

Mathematics
1 answer:
Rina8888 [55]3 years ago
5 0
The answer is 9000..
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I need help with college mathematics can someone help please ill give you the brainliest answer
arlik [135]

Answer:

3/16

Step-by-step explanation:

since the question has "and" we will be multiplying two unrelated probabilities

P(gray on 1) = 1/4

P(blue on 2) = 3/4

the second probability is not affected since we are not taking away the first space after we land on it

1/4 * 3/4 = 3/16

4 0
3 years ago
Read 2 more answers
A 9.0 ladder rests against the side of a wall. The bottom of the ladder is 1.5 meters from the base of the wall. Determine the m
maria [59]
Well we know that the 9.0 meter ladder is the hypotenuse And it is a right triangle with base of 1.5 meters. we have the adjacent and the hypotenuse. which is cosine. So:
cos (a) = adjacent/hypotenuse
cos (a) = 1.5/9.0
cos (a) = 1 / 6
a = cos^-1 (1 / 6)
a = 80.4 degrees
8 0
4 years ago
Linda throws a dart that hits the square shown below: A square is drawn. A circle of radius 9 units touches the sides of the squ
nataly862011 [7]

Probability helps us to know the chances of an event occurring. The probability of Linda's dart hitting the circle is 0.7857.

<h3>What is Probability?</h3>

The probability helps us to know the chances of an event occurring.

\rm{Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}

As it is given that the circle touches the sides of the square. therefore, the length of the side of the square is the diameter of the circle.

Now, in order to calculate the probability that the dart hits a point in the circle we need to calculate the area of the circle and the area of the square.

Area of the circle with a given radius of 9 units,

\text{Area of the circle} = \pi r^2

                           \rm = \pi \times (9^2)\\\\= 81\pi\ units^2

Area of the square with sides equal to the diameter of the circle,

\rm \text{Area of square} = side^2

                       \rm = Diameter ^2\\\\= (2 \times radius)^2\\\\= (2 \times 9)^2\\\\= 18^2\\\\= 324\ units^2

Now, the probability that the dart hits a point in the circle can be written as,

\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}\\\\\\Probability=\dfrac{\text{Area of the circle}}{\text{Area of square}}\\\\\\Probability=\dfrac{81 \pi}{324} = 0.7857

Hence, the probability of Linda's dart hitting the circle is 0.7857.

Learn more about Probability:

brainly.com/question/795909

3 0
2 years ago
Which of these sentences are propositions?
ExtremeBDS [4]

Answer:

a) True

b) False

c) True

d) False

e) Not a proposition

f) Not a proposition

Step-by-step explanation:

Proposition:

  • It is a declarative statement that is either false or true.
  • It cannot be both true or false.

a) Boston is the capital of Massachusetts.

The given statement is true. Hence, the given statement is a proposition.

b) Miami is the capital of Florida.

The given statement is false. Hence, the given statement is a proposition.

c) 2 + 3 = 5.

The given statement is true. Hence, the given statement is a proposition.

d) 5 + 7 = 10.

The given statement is false. Hence, the given statement is a proposition.

e) x + 2 = 11.

The given statement can neither be true or false. It depends on the value of x. Hence, it is not a proposition.

f ) Answer this question.

The given statement is not a declarative in nature. Hence, it is not a proposition.

4 0
3 years ago
Find the total surface area.<br> Thanks for the help!
omeli [17]

Answer:

its 196.31

I have the same questions as you i got a 100, so heres the one for the 7cm 2cm and 6cm 111.68

4 0
3 years ago
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