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sergejj [24]
1 year ago
9

Identify the reflection of the figure with vertices C (-2, 4), D (1, 5), and E (1, 2), across the x-axis.

Mathematics
1 answer:
aniked [119]1 year ago
4 0

Given the vertices:

C(-2, 4), D(1, 5), and E(1, 2)

Let's identify the reflection of the figure across the x-axis.

After a reflection across the x-axis, we have the rule:

(x, y) ==> (x, -y)

Thus, we have:

C(-2, 4) ==> C'(-2, -4)

D(1, 5) ==> D'(1, -5)

E(1, 2) ==> E'(1, -2)

Therefore, after a reflection over the x-axis, we have:

C'(-2, -4), D'(1, -5), E'(1, -2)

ANSWER:

C'(-2, -4), D'(1, -5), E'(1, -2)

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13

Step-by-step explanation:

There is the largest quantity of '13' in the list of data. Hence, 13 is the mode of the list of the data.

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10.
aliina [53]

Answer:

B. If an object is dropped from a height of 38 feet, the function h(t) = –16t2 + 38 gives the height of the object after t seconds.

Step-by-step explanation:

The equation that models the movement of the object is:

 

Where,

t: time

a: acceleration due to gravity

v0: initial speed

h0: initial height

Suppose that the object falls with zero initial velocity and from a height of 38 feet.

The equation that models the problem is:

 

Answer:

If an object is dropped from a height of 38 feet, the function h (t) = -16t2 + 38 gives the height of the object after seconds

Answer: If an object is dropped from a height of 38 feet, the function h (t) = -16t2 + 38 gives the height of the object after seconds

Step-by-step explanation:

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3 years ago
Why 2+2=4 and not 2+2=22 ?
Lunna [17]

2 + 2 = 4 because 4 is a sum of 1-digit numbers

2 + 2 ≠ 22 because 22 is the sum of 1-digit and 2-digit numbers

Step-by-step explanation:

Lets explain some important notes:

  • The 1-digit number consists of one digit, 4 is a one-digit number
  • The 2-digit number consists of two digits, ones digit and tens digit, 23 is a 2-digit number, the ones digit is 3 and the tens digit is 2, so its value is 20 + 3
  • The 3-digit number consists of ones digit, tens digit and the hundreds digit, 123 is a 3-digit number, the ones digit is 3, the tens digit is 2 and the hundreds digit is 1, so its value is 100 + 20 + 3

∵ 2 + 2 is the addition problem of two 1-digit numbers

∴ There sum will be 4 which is also 1-digit number

∴ 2 + 2 must be 4

∵ 22 is a two digit number

∴ Its value is 20 + 2 ⇒ not 2 + 2

∴ 2 + 2 can not be 22

2 + 2 = 4 because 4 is a sum of 1-digit numbers

2 + 2 ≠ 22 because 22 is the sum of 1-digit and 2-digit numbers

Learn more:

You can learn more about the place value of numbers in brainly.com/question/13174282

#LearnwithBrainly

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Which number line model represents the expression 3.5+(-5)
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D.

Step-by-step explanation:

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