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Assoli18 [71]
3 years ago
11

;Select all that apply. which of these polygons is not formed by the cross-section created when a plane intersects a cube? selec

t all that are possible. -square -circle -pentagon -trapezoid -triangle -rectangle
Mathematics
2 answers:
Reil [10]3 years ago
7 0
Square, circle, or rectangle
MariettaO [177]3 years ago
6 0

Answer:

The answer is circle.

Step-by-step explanation:

When a cube is intersected by a plane parallel to its base, a square is created. A rectangle is created when a cube is intersected by a plane in 2 pairs of opposite faces. When a cube is intersected by a plane in 3 adjacent faces, a triangle is formed.

Since a cube does not have any curved faces, so a plane will not be able to intersect it and give a cross section with any curves.

So, a circle is not possible.

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k0ka [10]

Answer:Add x to both sides of the equation.y=3+2x

Step-by-step explanation:

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2 years ago
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The low temperatures in Anchorage, Alaska, for a week were − 6, − 3, − 1, 1, − 3, − 9, and − 14 degrees Celsius. What two temper
Inessa05 [86]

The two temperatures could be removed so that the average of the remaining numbers is the same as the average of the original set of numbers are -1 and -9

Step-by-step explanation:

The formula of the average of a set of data is A=\frac{S}{N} , where

  • S is the sum of the data in the set
  • N is the number of the data in the set

∵ The low temperatures in Anchorage, Alaska, for a week were

   − 6, − 3, − 1, 1, − 3, − 9, and − 14 degrees Celsius

∴ The set of the data is { -6 , -3 , -1 , 1 , -3 , -9 , -14}

- Add the data in the set

∵ S = -6 + -3 + -1 + 1 + -3 + -9 + -14

∴ S = -35

∵ The set has 7 data

∴ N = 7

- Use the formula of the average above to find it

∴ A=\frac{-35}{7}

∴ A = -5

∴ The average of the original set of numbers is -5

To keep the average the same after removing two numbers multiply the average by the new number of data to find the new sum

∵ The number of data after removing two numbers is 5

∴ N = 5

∵ A = -5

- By using the rule of average

∴ -5=\frac{S}{5}

- Multiply both sides by 5

∴ -25 = S

∴ The new sum is -25

- Lets find which two numbers of have a sum of -10 because

   the difference between -35 and -25 is -10

∵ -1 + -9 = -10

∵ -6 + -3 + 1 + -3 + -14 = -25

∴ We could removed -1 and -9

The two temperatures could be removed so that the average of the remaining numbers is the same as the average of the original set of numbers are -1 and -9

Learn more:

You can learn more about the average in brainly.com/question/10764770

#LearnwithBrainly

7 0
3 years ago
Volume kubus dengan panjang rusuk 2 cm?​
jolli1 [7]

Answer:

<h2> 8 cm³ </h2>

Step-by-step explanation:

➡️ Volume = r³

➡️ 2³

➡️ 8

8 0
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in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea
kompoz [17]

Answer:

2011

Step-by-step explanation:

Here is the formula.

A=P(1+r)^{n}

A = Final Value

P = Starting Value

R = Rate

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A = 8,000,000,000

P = 5,400,000,000

R = 0.0195

N = Time in Years

Solve for n.

20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.

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2 years ago
How much interest will be earned on a $6,000 investment at 2.25% for 5 years. Round to the
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Final amount = 6675, interest earned will be 675

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