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Aleonysh [2.5K]
2 years ago
12

Which of the following is the line of symmetry for the figure shown below?

Mathematics
1 answer:
12345 [234]2 years ago
6 0
Line C is the correct line of symmetry
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A cube has volume 216cm find total surface area of cube​
Katena32 [7]

Answer:

Answer: 216 cm2 (square centimetres cm^{2}, in your question you had to put cm3, cubic centimetres, it's IMPORTANT )

Step-by-step explanation:

A perfect cube by definition has 3 equal dimensions, as an immediate rule: volume and total surface are equal, only the unit of measure changes (cubic for the volume, square for surface).

But let's calculate it anyway:

Volume  = Edge * Edge * Edge = length * width * depth = Edge^{3}  (remember: all edges are equal in this case)

so Edge = \sqrt[3]{Volume}

in your example Edge = \sqrt[3]{216} = 6cm

So the surface of one side is 6*6 = 36cm^{2}

There are 6 sides in total, so the total surface is 6*36 = 216 cm^{2}

Note: I call them "edges" but in case of a cube most say just "length"

3 0
3 years ago
The ratio of men to women working for a company is 8 to 5. If there are 234 employees total, how many women work for the company
Dimas [21]

Answer:

144

Step-by-step explanation:

The ratio of men to women working for a company is 8 to 5.

Total men and women working as per the ratio is 8+5 = 13

So the ratio of men to total  is  

the ratio of women to total  is  

there are 234 employees total

To find the number of men works , we make a proportion

Cross multiply it

8 * 234 = 13x

1872 = 13x

Divide by 13 on both sides

x= 144

3 0
2 years ago
Read 2 more answers
fam can swim a lap in 29 2/5 seconds. cuteboujee can swim a lap in 28.7 seconds. how much faster can cuteboujee swim a lap than
natima [27]

Answer:

0.7 seconds

Step-by-step explanation:

You have to subtract both lap times, but before doing so you need to know what 2/5 is in decimal form. To do so, you must do 2 divided by 5, getting 0.4 seconds as it's a fraction converting to decimal. This means Fam swam 29.4 seconds, which instead of 2/5, you have 0.4 as your converted answer, so you would substitute it after 29. Then, you would do 29.40 subtracted by 28.7 and get 0.7 seconds as your answer to find out the difference of their swim times.

3 0
3 years ago
Which value of x is the solution to the equation 4/5x-8=12
frozen [14]

Answer:

4x = −4



Question 2

2(2x − 5 − 4) = 160 − 17

4x-10-8 = 160-17

4x-18=143

4x = 161

x=40.25



Question 3

4(2z + 3) = 12

8z +12 = 12

8z = 0

z = 0


Question 4


5(2x − 6) + 20 = 10

10x-30+20=10

10x-10=10

10x =20

x=2



Question 5


5x + 10 = 5x − 8

5x+18=5x

18=0

Zero solutions


4 0
3 years ago
Riley can dribble a basketball 50 times and 1/2 minute with her right hand and 30 times and 1/2 minute with her left hand what i
vovangra [49]

Answer:

right 50:30 left

divide both sides by a common factor. (I've used 10 hcf)

right 5:3 left

4 0
3 years ago
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