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2 years ago

Which figure has reflection symmetry?

Mathematics

2 answers:

lara31 [8.8K]2 years ago

8 0

Answer:

the first option

Step-by-step explanation:

if you were to fold it in half it would be the same shape without anything poking out of the sides. one side reflects the other side

seraphim [82]2 years ago

5 0

The bottom left figure

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What is the probability that a respondent chosen at random is a male or a female?

miv72 [106K]

Answer:

%50

Step-by-step explanation:

%50 male - %50 female

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3 years ago

Would this be equal to 180? It's pretty easy.

svp [43]

Answer:

Yes you would set both equal to 180

so for example

(x-24)+3x=180

Then solve for x

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3 years ago

What is (-6x) to the third power

FromTheMoon [43]

Answer:

-216 x^3

Step-by-step explanation:

(-6x)^3

This is really (-6x)* (-6x) * (-6x)

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4 years ago

If ΔJKL~ΔMKN, find the value of x.

Aleksandr-060686 [28]

Answer:

x = 14

Step-by-step explanation:

Since the triangles are similar, then the ratios of corresponding sides are equal, that is

$\frac{KL}{KN}$ = $\frac{JL}{MN}$ , substitute values

$\frac{32}{12}$ = $\frac{3x-2}{x+1}$ ( cross- multiply )

12(3x - 2) = 32(x + 1) ← distribute parenthesis on both sides

36x - 24 = 32x + 32 ( subtract 32x from both sides )

4x - 24 = 32 ( add 24 to both sides )

4x = 56 ( divide both sides by 4 )

x = 14

4 0

3 years ago

Seperate 90 into two parts so that one part is four times the other

aalyn [17]

Answer:

18 and 72

Step-by-step explanation:

the smaller part can be assigned as x while the larger will be 4x. Both numbers need to add up to 90, giving the equation: 4x+x = 90

Solve:

4x+x = 90

5x = 90

x = 18

4x = 72

5 0

2 years ago