What is the probability that a point chosen at random is in the blue region?
StartFraction 1 over 16 EndFraction
StartFraction 1 over 15 EndFraction
StartFraction 15 over 17 EndFraction
StartFraction 15 over 16 EndFraction
Answer:
The probability that a point chosen at random is in the blue region is 15/16.
Step-by-step explanation:
In order to find the probability that a point chosen at random will lie in the blue region, we first have to find the area of the blue region.
The area of the large square is the product of its dimensions:
and for the smaller square area is:
Therefore the area of the blue region is the area of the larger square minus the area of the smaller square.
Therefore the probability that the point chosen at random is on the blue region is
The probability is .
letter b Step-by-step explanation:
The number that has the same value as 30 tens is 300.
To determine number that has the same value as 30 tens, we need to understand the "place-value" system. Tens represent second digit in a number, with each ten being worth 10 units.
Since we have 30 tens, we multiply 30 by 10 to find total value.
⇒ 30 × 10 = 300,
Therefore, the number that has the same value as 30 tens is 300. This means that 300 represents the quantity of 30 tens or 30 groups of 10, reflecting the concept of place value and multiplication by powers of 10.
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What is the Pſyellow)?
Answer: P(blue)=1/5. P(yellow)=2/5.
Step-by-step explanation: First find the total number of marbles. 4+1+2+3=10. To find the probability of blue marbles, use this equation (number of blue marbles (2) / total number of marbles(10) ). 2/10=1/5.
To find the probability of yellow marbles do this equation (number of yellow marbles (4) / total number of marbles (10) ). 4/10=2/5.
50x.2 is the correct expression.