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3 years ago

Which formula is used to find the volume of a cone

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

8 0

The answer to the question is d

natita [175]3 years ago

5 0

Answer:

The last one or d

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Evaluate x-(-y)x−(−y)x, minus, left parenthesis, minus, y, right parenthesis where x = -2.31x=−2.31x, equals, minus, 2, point, 3

Angelina_Jolie [31]

Step-by-step explanation:

$x-(-y)=x+y\\\\\text{substitute}\ x=-2.31,\ y=5.9:\\\\-2.31+5.9=5.9+(-2.31)=5.9-2.31=5.90-2.31=3.59$

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3 years ago

Factor completely 2x3 + x2 - 18x – 9.

lys-0071 [83]

$2x^3+x^2-18x-9=x^2(2x+1)-9(2x+1)\\\\=(2x+1)(x^2-9)=(2x+1)(x^2-3^2)\\\\=(2x+1)(x-3)(x+3)$

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3 years ago

Read 2 more answers

What is the slope intercept form of 6x-2y-4=0

saveliy_v [14]

Answer:

Step-by-step explanation:

y = 3x - 2

8 0

3 years ago

Consider the following information about travelers on vacation: 40% check work email, 30% use a cell phone to stay connected to

allsm [11]

Answer:

There is a 40% probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected.

Step-by-step explanation:

a) What is the probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected?

The problem states that 40% of the travelers on vacation check work email. And 16% of them check both work email and use a cell phone.

So, the probability is the division of those who use both email and cellphone by those who use email.

$P = \frac{0.16}{0.40} = 0.4$

There is a 40% probability that a randomly selected traveler whochecks work email also uses a cell phone to stay connected.

5 0

3 years ago

Which points are solutions??

IRINA_888 [86]

A, C and E all work in the equations. In order for them to work, you must use the ordered pair in each of the three situations. Below is the work for all of the correct answers.

Ordered Pair A : (1, -1)
y < x + 1
-1 < 1 + 1
-1 < 1 (TRUE)

y < 4
-1 < 4 (TRUE)

x < 6
1 < 6 (TRUE)

Ordered Pair C : (4, 2)
y < x + 1
2 < 4 + 1
2 < 5 (TRUE)

y < 4
2 < 4 (TRUE)

x < 6
5 < 6 (TRUE)

Ordered Pair E : (4, -2)
y < x + 1
-2 < 4 + 1
-2 < 5 (TRUE)

y < 4
-2 < 4 (TRUE)

x < 6
4 < 6 (TRUE)

5 0

3 years ago

Which formula is used to find the volume of a cone ​

Which formula is used to find the volume of a cone