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3 years ago

What are the main properties of a parallelogram? use the parallelogram (ABEF) to help you

Mathematics

2 answers:

Feliz [49]3 years ago

4 0

Answer:

It must be number 2.

1 and 3 number is wrong as parallelogram don't need have right angle

jasenka [17]3 years ago

4 0

The answer is number 2

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A worker is exposed to 98 dB for five hours and 82 dB for three hours, giving an eight-hour working day. On average, what noise

julia-pushkina [17]

Answer:

92 dB

Step-by-step explanation:

Use the mean formula, mean = sum of elements / number of elements.

Since it is a 8 hour work day, there are 8 elements.

mean = sum of elements / number of elements

mean = (98 + 98 + 98 + 98 + 98 + 82 + 82 + 82) / 8

mean = 736 / 8

mean = 92

So, the average noise level is 92 dB

6 0

2 years ago

Al, Tom and Joe share €3000.

agasfer [191]

Answer:

Tom's share = €800

Step-by-step explanation:

Given that:

Amount shared by Al, Tom and Joe = €3000

Ratio of Al's share to Tom's share = 5 : 4

Joe's share = 1.5(Tom's share) = 1.5(4) = 6

Therefore,

Ratio of Al, Tom and Joe = 5 : 4 : 6

Let,

x be the number of times of amount each get.

5x + 4x + 6x = 3000

15x = 3000

Dividing both sides by 15

$\frac{15x}{15}=\frac{3000}{15}\\x=200$

Tom's share = 4x = 4(200) = €800

Hence,

Tom's share = €800

5 0

3 years ago

There are 9 shipping boxes and each of these boxes has 19 shoe boxes, and each shoe box has 2 shoes. Which of the following is a

Reptile [31]

2 shoes in each box * 19 shoe boxes = 38 shoes

38 shoes * 9 shipping boxes would be 342 shoes in all

A good estimate would be around 342. Hope that helps

4 0

3 years ago

Read 2 more answers

I need help..... please

Bogdan [553]

Answer:

Step-by-step explanation:

I would say Town residents

5 0

2 years ago

How to work out:<br>5x+1=2x-8

Helen [10]

$5x+1=2x-8 \\ 5x-2x=-8+1 \\ 3x=-7 \\ x=-7/3$

<u>S= {-7/3}</u>

5 0

3 years ago

Read 2 more answers