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seraphim [82]
3 years ago
5

Find the length of each side of a regular hexagon whose perimeter is 84 meters.

Mathematics
1 answer:
BaLLatris [955]3 years ago
7 0

Answer:

84/6=14. Each side is 14 because there are 6 sides to a hexagon.

Step-by-step explanation:

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E 4) In the diagram below, the dimensions of the large rectangle are (3x-1) by (3x+7) units. The dimensions of the cut-out recta
frutty [35]

Answer:

Option (D)

Step-by-step explanation:

Area of a rectangle = Length × width

Area of large rectangle = (3x - 1)(3x + 7) square units

                                       = (9x² + 21x - 3x - 7)

                                       = 9x² + 18x - 7

Area of small rectangle = (2x + 5)x

                                       = (2x² + 5x) square units

Area of the shaded region = Area of large rectangle - Area of small rectangle

= (9x²+ 18x - 7) - (2x² + 5x)

= (9x² - 2x²) + (18x - 5x) - 7

= (7x² + 13x - 7) square units

Therefore, Option (D) will be the correct option.

4 0
3 years ago
Geoffrey thinks that the sum of 5x2y3+6x+7y and 8y+4x3y2+2xis 9x2y3+8x+15y. Explain Geoffrey's error, and find the correct sum.
Schach [20]
He subtracted instead of added

6 0
3 years ago
Dave loves a bargain and buys a feather boa which
Ivanshal [37]

Answer:

£9.50

Step-by-step explanation:

if the price was reduced 70%, then Dave is paying 30% of the original.

0.3 of £ = 2.85

£ = 2.85 / 0.3

£ = 9.5

£9.50

3 0
4 years ago
Read 2 more answers
How would u do 1 over 3 y + 1 over 4 = 5 over 12? I forgot my notes:(
malfutka [58]
Is it
\frac{1}{3y} + \frac{1}{4} = 5
or
\frac{1}{3} y + \frac{1}{4} = 5
?

both start out the same, just remember what you do to one side you have to do to the other, so subtract both sides by 1/4, then you want to get y alone, so either divide or multiply the 3 on both sides! let me know which it is and I can help you out more

[edit] it's the second, and not going to use cross multiplication.
added a picture that walks you through it :)

3 0
3 years ago
Heaven counts to fish in each of the fish tanks and finds the following totals 57 119 29 23 and 48 what is the total number of f
Amanda [17]

You can solve this problem by adding all the numbers together. You can do this by hand or using a calculator. With a calculator, I calculated the total to be 276 fish.


7 0
3 years ago
Read 2 more answers
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