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Mamont248 [21]
3 years ago
12

What is the value of x in the parallelogram below?

Mathematics
1 answer:
Inessa [10]3 years ago
4 0

Answer:

  11

Step-by-step explanation:

The diagonals of a parallelogram bisect each other. The value of x is the same as the length of the other half of the diagonal:

  x = 11

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2 years ago
Ben and Alyssa play a game in which they earn the same number of points for each goal and lose the same number of points for eac
Nadya [2.5K]

Answer:

Each goal gives 5 points and a penalty costs 7 points.

Step-by-step explanation:

Let a penalty cost = x points

And a goal gives = y points

Ben makes 7 goals and 2 penalties ending the game with 21 points,

7y - 2x = 21 --------(1)

Alyssa makes 10 goals and 8 penalties ending the game with (-6) points,

10y - 8x = -6

5y - 4x = -3 --------(2)

Equation (1) multiplied by 2, then subtracted from equation (2),

(5y - 4x) - 2(7y - 2x) = -3 - 2(21)

5y - 4x - 14y + 4x = -3 - 42

-9y = -45

y = 5

From equation (1)

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35 - 2x = 21

2x = 35 - 21

2x = 14

x = 7

Therefore, each goal gives 5 points and a penalty costs 7 points.

5 0
2 years ago
Can you help look at the photo above​
dmitriy555 [2]

Answer:

A

Step-by-step explanation:

3-3 is 0

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2 years ago
Evaluate the indicated function for f(x) = x2 − 1 and g(x) = x − 2 algebraically. If possible, use a graphing utility to verify
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