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3 years ago

What is the length of little a

Mathematics

1 answer:

aleksklad [387]3 years ago

3 0

Check the picture below.

you can check in your calculator, make sure your calculator is in Degree mode.

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A bag contains 9 red chips and 5 blue chips. two chips are selected randomly without replacement from the bag. what is the proba

geniusboy [140]

64% possible that the two chips are the same colour

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3 years ago

Please solve this WILL GIVE BRAINLIEST AND 50+ points

nata0808 [166]

105.9965:700 is what I worked out. Hope it's right.

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3 years ago

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Which statements represent the relationship between y=2^x and y=log2 x?

laila [671]

Y = 2^x and y = log₂x

Exponents and logs (to the same base = 2) are inverses of each other.
All inverse functions are symmetric about line y = x

y = log₂x is NOT the logarithmic form of y = 2^x
The logarithmic form of y = 2^x is x = log₂y (NOT y = log₂x)

Answer: A, C

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3 years ago

Which of these numbers is not rational?

velikii [3]

The square root of 3 which is the first choice

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3 years ago

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Suppose you have a bag containing 2 black marbles and 3 red marbles. You reach into the bag, select a marble, see what color it

TiliK225 [7]

Answer:

$\dfrac{9}{25}$

Step-by-step explanation:

Given that the bag contains black and red marbles.

Number of black marbles in the bag = 2

Number of red marbles in the bag = 3

Total number of marbles in the bag = Number of black marbles + Number of red marbles = 2 + 3 = 5

Let us have a look at the formula for probability of an event E, which can be observed as:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

$P(\text{First red marble}) = \dfrac{\text{Number of red marbles}}{\text{Total number of marbles}} = \dfrac{3}{5 }$

Now, the marble chosen at first is replaced.

Therefore, the count remains the same.

$P(\text{Second red marble}) = \dfrac{\text{Number of red marbles}}{\text{Total number of marbles}} = \dfrac{3}{5}$

Now, the <em>required probability</em> can be found as:

$P(\text{First red marble})\times P(\text{Second red marble}) = \dfrac{3}{5}\times \dfrac{3}{5} = \bold{\dfrac{9}{25} }$

3 0

3 years ago