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3 years ago

Which statement about this figure is true?

Mathematics

2 answers:

katrin2010 [14]3 years ago

8 0

Answer:

C. It has no reflectional symmetry.

Step-by-step explanation:

C. It has no reflectional symmetry.

The letters spelling out Canada have no reflection. The bird has no reflection, etc.

Nataliya [291]3 years ago

6 0

Answer:

C. It has no reflectional symmetry

Step-by-step explanation:

A. It has point symmetry - no every part does not have a matching part

B. It has reflectional-symmetry - we cannot reflect it and have it look the same

C. It has no reflectional symmetry

D. It has rotational symmetry with 22 lines of symmetry - we cannot rotate it and have it look the same

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Duncan takes a break from studying and goes to the gym to swim laps. If swimming burns 9.05×105 cal per hour, how many kilojoule

fgiga [73]

For this case we have to by definition:

1 kilojoule equals 0.239006 kilocalorie.

1 kilocalorie equals 1000 calories

Then, if we have: $9.05 * 10 ^ 5 \frac {calories} {hour} *\frac {1} {1000} \frac {kilocaloria} {calorie} = 9.05 * 10 ^ 2 \frac {kilocaloria} {hour}$

Now:

$9.05 * 10 ^ 2 \frac {kilocaloria} {hour} * \frac {1} {0.239006} \frac {kilojoule} {kilocaloria} = 3786.52 \frac {kilojoule} {hour}$

Answer:

$3786.52 \frac {kilojoule} {hour}$

3 0

2 years ago

PLZ Help Victoria used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are sh

zmey [24]

the probability of getting tails up is 30/50 or most likely

the probability of getting a blue marble is 18/5 or least likely

5 0

2 years ago

The vertices of the polygon are A (3,5), B (6,5), C (6, 9), and D (3,9). Find the distance between the vertices B and C.

mestny [16]

Answer:

Step-by-step explanation:

B = (6,5) C = (6,9)

√(x2 - x1)² + (y2 - y1)²

√(6 - 6)² + (9 - 5)²

√(0)² + (4)²

√16

= 4

3 0

2 years ago

A stack of 5 books weighs 9.5 pounds. If each book weighs the same amount, how much does each book weigh?

hjlf

Answer: The same amount of book weighed is 14.5.

Step-by-step explanation:

So there is 5 books

9.5 pounds

9.5 + 5 = 14.5

So, Each book weighs about 14.5.

8 0

2 years ago

An arc has a length of 123.53 millimeters and a radius of 28 millimeters. What is the measure of the angle of the sector in degr

nadezda [96]

Answer:

Step-by-step explanation:

The formula for arc length in terms of degrees is

$A.L.=\frac{\theta}{360}*2\pi r$ and we have everything we need to fill in to find the angle measure.

$123.53=\frac{\theta}{360}*56\pi$ which is the same as

$123.53=\frac{56\pi \theta}{360}$ and

$360(123.53)=56\pi \theta$ and

$\frac{360(123.53)}{56\pi}=\theta$ so

θ = 253°

4 0

3 years ago