Which diagram correctly shows all lines of symmetry in the figure? (Please say why)

Mathematics

1 answer:

saveliy_v [14]3 years ago

6 0

The answer is the 2nd one because you can only fold this object like this and no other way.

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The sum of three consecutive even numbers is one hundred sixty - two.

Alenkasestr [34]

Answer:

Step-by-step explanation:

Let x represent the smallest of the three numbers. Then the other two are (x+2) and (x+4). Their sum is ...

x + (x+2) +(x+4) = 162

3x = 156 . . . . . . . . . . . .subtract 6

x = 156/3 = 52

The smallest of the three numbers is 52.

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I like to work problems like this by considering the average number. Here, the average of the three numbers is 162/3 = 54, the middle number of the three. Then the smallest of the three consecutive even numbers is 2 less, or 52.

5 0

3 years ago

Please help thanks!!!

Julli [10]

The first one is the answer

5 0

3 years ago

Read 2 more answers

Factor this polynomial completely.<br> x2 - 81

Naddik [55]

The first answer is right
(x - 9) (x + 9)
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3 years ago

There is a a circle whose circumference is 34.54 cm.

Naily [24]

Answer:

$\huge\boxed{Diameter=11cm}$

Step-by-step explanation:

Important information:

Circumference of a circle= $\pi*diameter$

Method:

To work out the diameter, we would need to divide the circumference of 34.54 by pi, which in this case is 3.14, this gives us 11cm. This is because we are simply rearanging the formula of the circumference of a circle to make the diameter the subject.

Step By Step:

1) Rearange the formula to make the diameter the subject.

$diameter=\frac{circumference}{\pi}$