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3 years ago

What is the order of rotation symmetry of these shapes?????

Mathematics

2 answers:

iren [92.7K]3 years ago

8 0

Hope it helps...

<em>Benjemin</em>

Zigmanuir [339]3 years ago

5 0

Answer:

i think the first 1 is 4 and the second is 2

Step-by-step explanation:

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What is the value of x?

guajiro [1.7K]

Answer:

x ≈ 8.66

Step-by-step explanation:

Using the sine ratio in the right triangle

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{x}{10}$

Multiply both sides by 10

10 × sin60° = x, thus

x ≈ 8.66 ( to 2 dec. places )

4 0

3 years ago

A map has a scale of 1 in: 25 mi. Two cities are 175 mi apart. How far apart are they on the map?

myrzilka [38]

Ratio = 1/25
Let, the distance b/w cities on map = x

It would be: 1/25 = x/175
x = 175/25
x = 7

In short, Your Answer would be 7 in

Hope this helps!

4 0

3 years ago

X+2=2(2x-14) solve for x.

LekaFEV [45]

X =10.

First distribute the 2(2x-14) and get 4x-28.

x+2-4x-28. Subtract x from each side to get 2=3x-28.

Add 28 to both sides to equal 30=3x. Divide each side by 3 to get your final Answer, x=10.

3 0

3 years ago

Deandre just bought 9 bags of 15 cookies each. He already had 6 cookies in a jar. How many cookies does deandre have now?

djverab [1.8K]

Answer:

141 cookies

Step-by-step explanation:

amount of cookies

= 9(15) + 6

= 135 + 6

= 141

6 0

3 years ago

A drawing has a scale 1/4 in: 12ft. How long is 8ft?

allochka39001 [22]

If you use a proportion, you'll get:

$\frac{0.25}{12} = \frac{x}{8}$

Then, you use cross products:

$12x=0.25(8) \\ 12x=2$

Then, you algebraically solve x:

$12x=2 \\ \frac{12x}{12} = \frac{2}{12} \\ x= \frac{5}{3}$

The answer is 5/3 inches , or 1 5/13 inches, or 1.6 repeating.

4 0

3 years ago