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Savatey [412]
3 years ago
11

A postcard and a pen cost 150 cents in total. The postcard costs 100 cents more than the pen. How many cents does the pen cost?

Mathematics
1 answer:
nalin [4]3 years ago
5 0

Answer:

50 cents

Step-by-step explanation:

This is the equation I came up with: 150 = 100+<em>p</em>

Subtract 100 from 150 to leave the <em>p</em> alone.

50 = <em>p</em>

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Three consecutive even numbers have a sum where one half of that sum is between 90 and 105. Write an inequality to find the the
viva [34]

90 <  [( n + n + 2 + n + 4) / 2] < 105

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6 0
3 years ago
If y = 5x – 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
lidiya [134]

Answer:

B

Step-by-step explanation:

Substitute the x value into the right side of the function and if the value obtained is equal to the y value of the point then it is a solution.

(0, - 4) → y = 5(0) - 4 = 0 - 4 = -4 ← True

(2, 6) → y = 5(2) - 4 = 10 - 4 = 6 ← True

(4, 20) → 5(4) - 4 = 20 - 4 = 16 ← False

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(0, - 4), (2, 6), (4, 16) ← possible inputs and outputs

8 0
3 years ago
Which statement is true?
Rom4ik [11]

Answer:

  (b)  Both vertical and horizontal reflection

Step-by-step explanation:

The figure will be a horizontal reflection of itself about any vertical line through two of the smaller 6-pointed stars.

The figure will be a vertical reflection of itself about any horizontal line through two of the smaller 6-pointed stars.

  the pattern has both vertical and horizontal reflection

__

<em>Additional comment</em>

A pattern will have horizontal reflection if there exists a vertical line about which the pattern can be reflected to itself. That is, there exists one (or more) vertical lines of symmetry.

Similarly, the pattern will have vertical reflection if there is a horizontal line about which the pattern can be reflected to itself. Such a line is a horizontal line of symmetry.

3 0
2 years ago
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