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vaieri [72.5K]
2 years ago
14

Which operations is the following set closed under: {2, 4, 6, ...}?

Mathematics
1 answer:
vlabodo [156]2 years ago
7 0
Do you have any answers to choose from 
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Can someone help me with #2 and #4
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2 years ago
Find the missing angle measures in the given rhombus.
jeyben [28]

Answer:

(1) = 38\°

(2) = 90\°

(3) = 90\°

(4) = 38\°

Step-by-step explanation:

The diagonals of a rhombus are perpendicular to each other, so angles (2) and (3) are equal 90°.

To find angle (1), we can use the sum of internal angles in the left triangle with angles 52°, (1), and (2):

52 + (1) + (2) = 180

(1) = 180 - 52 - 90

(1) = 38\°

The diagonals of a rhombus bisects the angles, to the angle next to the angle of 52° is also 52°, then, in the upper triangle, we have:

52 + (4) + 90 = 180

(4) = 38\°

3 0
3 years ago
How do you show where an inequality is true on a number line?
Mashutka [201]

Answer:

When the two values are different

Step-by-step explanation:

Like in an inequality equation.

For example:

4+5x\geq 30

The answer would be anything greate than or equal to 30, but you would need to find x. The number line would be very useful

Hope this helps

6 0
2 years ago
Ian wants to paint a wall measuring 3 metres by 7 metres.
anygoal [31]

Answer: 5.2

Step-by-step explanation:

3*7 = 21

21/5 = 4.2

4 0
2 years ago
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