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3 years ago

Consider the following figure... True or False..

Mathematics

1 answer:

garik1379 [7]3 years ago

4 0

It should be true , hope this helped

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when asked to write to the prime factorization of the number 27, a student wrote 9 x 3. explain the error and write the correct

Simora [160]

Answer: The error is that 9 is a composite number. The correct answer is 27= 3 x 3 x 3

Step-by-step explanation:

5 0

3 years ago

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Simplify the expression. 2(3y - 7) - 5y(2 - y)

meriva

2(3y - 7) - 5y(2 - y)

2*3y - 2*7 - 5y*2 -5y*(-y)

6y - 14 - 10y + 5y²

5y² + 6y - 10y - 14

5y² -4y - 14

5 0

4 years ago

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There are 10 marbles in a bag. Four are blue, 3 are black and 2 white and 1 red. If the marbles are not replaced once they are d

stich3 [128]

Given:

Given that there are 10 marbles in a bag. 4 are blue, 3 are black, 2 are white and 1 is red.

The marbles are selected by not replacing the drawn ones.

We need to the probability of selected a black marble and then a white marble without replacement.

Probability:

Let B denote the black marble.

Let W denote the white marble.

The probability of selecting a black marble is $P(B)=\frac{3}{10}$

The probability of selecting a white marble without replacement is $P(W)=\frac{2}{9}$

The probability of selecting a black marble and then a white marble without replacement is given by

$P(B \ and \ W)=P(B) \cdot P(W)$

Substituting the values, we get;

$P(B \ and \ W)=\frac{3}{10} \cdot \frac{2}{9}$

$P(B \ and \ W)=\frac{6}{90}$

$P(B \ and \ W)=\frac{1}{15}$

Thus, the probability of selecting a black marble and then a white marble without replacement is $\frac{1}{15}$

4 0

3 years ago

Clara is asked to find the surface area of a sphere which has radius r, of 18 in. She says the surface area is 226.08 in. squar

anygoal [31]

Answer:

The surface area of the sphere is approximately 4071.5.

Step-by-step explanation:

You can find the surface area of a sphere using this formula: A=4πr^2!

Answer:

C. Clara did not square the radius when solving.

Step-by-step explanation:

She likely solved it like so:

18 x 3.14 = 56.52

56.52 x 4 = 226.08

Through this process, she forgot to square the radius!

5 0

3 years ago

Help help help help help help help

Virty [35]

Marvin has got to go 20 blocks south because think of it as a drawing. Each line is 10 blocks. He will end up back in line with the bakery and all he has to go is back down 20 blocks
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3 0

3 years ago

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Consider the following figure... True or False.. ​

Consider the following figure... True or False..