MATHEMATICS MIDDLE SCHOOL

Find the area of the irregular figure

Answers

Answer 1

Answer:

The figure can be separate into a triangle, a rectangle and a trapezium.

Triangle:

Area = 1/2 x base x height

Area = 1/2 x 16 x (25 - 4) = 168 units²

Rectangle:

Area = length x Width

Area = 16 x 4 = 64 units²

Trapezium:

Area = 1/2 (a + b) x h

Area = 1/2 (25 + 15) (10) = 200 units²

Total Area = 200 + 64 + 168 = 432 units²

Answer: 432 units²

Answer 2

Answer:

the answer is 305

Step-by-step explanation:

yes because it did

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An equilateral triangle has a perimeter of 18cm. What is the length of one of its sides?

Answers

I think all u have to do is just do 18 divided by 3 ( because there are 3 sides) so that is 6 :) your welcome x

it would be 6 because 18/3 is 6 and there a 3 sides on a triangle

What is the product of 2,830 and 3

Answers

The answer is 8490. 2830 times 3=8490

The product of 2,830 and 3 is (6,490)
Hope this helps!

How to write 79031 expanded form

Answers

Seventy-nine-thousand-and-thirty-one

I hope that's right I'm not too sure lol

this is how you right 79,031 in expanded form

70,000+9,000+30+1

remember to put the commas in the right place

A speedy river barge bound for New Orleans, Louisiana leaves Baton Rouge at 9:00 a.m. and travels at a speed of 10 miles per hour. A rail transport freight also bound for New Orleans leaves Baton Rouge at 1:30 p.m. on the same day. The train travels at 25 miles per hour, both the barge and train will travel 100 miles to reach New Orleans. How far will the train travel before catching up to the barge?

Answers

okay i get it now
1) At 1.30 p.m. the barge has already traveled 4.5 X 10 = 45 miles.

To catch up it will take the train 25-10 = 15miles

Answer:

Step-by-step explanation:

A rail transport freight train also bound for New Orleans leaves Baton Rouge at 1;30 PM on the same day. The train travels at 25 MPH and the river barge travels at 10 MPH. ... the barge leaves at 9:00 am so that would be at 9 hours past midnight. the train leaves at 1:30 pm so that would be at 13.5 hours past midnight.

I need help with 29 c

Answers

the answer is b becuase my sister had that homework

What is the exact volume of the cylinder? h 40 in. radius 16 in.

Answers

V=πr2h=π·162·40≈32169.90877

i think that answer is but im not sure,
V ≈ 32169.91 in³

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What is 1/8 in a decimal

Find n. 2/8 = 14/n =btw :)