3 years ago

Write the sum and the expression in standard form. − − 11 and the opposite of −11

Mathematics

1 answer:

Kobotan [32]3 years ago

7 0

Answer:

Step-by-step explanation:

There are no categorical antonyms for eleven. The numeral eleven is defined as: The cardinal number occurring after ten and before twelve.

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ankoles [38]

Answer:

c. 24

Step-by-step explanation:

15+9=24

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A circle has a circumference of 907.46. What is the diameter of the circle?

Anna007 [38]

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Anon25 [30]

20 didn't do it for this one.

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3 years ago

Given parallelogram ABCD, diagonals AC and BD intersect at point E. AE=2x, BE=y+10, CE=x+2 and DE=4y−8. Find y.

hodyreva [135]

9514 1404 393

Answer:

B. 6

Step-by-step explanation:

The diagonals of a parallelogram intersect at their midpoints, so ...

DE = BE

4y -8 = y +10

3y = 18 . . . . . . . add 8-y

y = 6 . . . . . . . . divide by 3

Additional comment

The value of x is found the same way:

2x = x+2 ⇒ x = 2

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I think the answer is d. the intersection of the 2 lines

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