3 years ago

What is the area of this compound figure ?

Mathematics

2 answers:

yulyashka [42]3 years ago

8 0

Is 44yd^2 do you get it?

11111nata11111 [884]3 years ago

8 0

The area for the triangle is 32.
The area for the rectangle is 12.

To find answer for triangle

Multiply the length x width. Which are the two 8's. Then divide by 2 because it's half a triangle.

8 x 8 divided by 2 = 32

To find answer for rectangle

Multiply length x higher which is the 6 and 2.

6 x 2 ( no division necessary ) = 12

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On a stopwatch, the tip of the second hand moves 2 cm in 15 seconds. How long is the second hand (to the nearest tenth)?

Komok [63]

The 'seconds' hand on the watch goes all the way around in 1 minute. 15 seconds is 1/4 of a complete 1-minute revolution. So, the 2 cm is 1/4 of the way around the circle that the tip makes. This makes the full circumference of the circle 8cm.

The length of the second hand will be the radius of the circle. Use the following equation: 

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Since we know the circumference, plug that in, and solve for the radius:

2 pi radius = 8 cm
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4 years ago

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Oliver has a box of toy cars, but he is not sure how many he has. If he arranges the cars in groups of four, he has three left o

Zarrin [17]

X/4 = r3 or 3/4
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we know x is not divisible by 4 3 or 5 and is less than 30.

we know the value ends in 3 or 8 from x/5 = r3

we know the value is greater than 3 from r3

so far we got 13 and 23

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so the answer is 23

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3 years ago

( -6, 8 ) is it a solution yes or no ?

Gennadij [26K]

Whats the original question you got from your teacher

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3 years ago

Identify the error in the student's work. Then, explain what they did wrong and give the correct answer.

lana66690 [7]

Everything is correct until they got to switching 55 instead of x<5 of that makes sense

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3 years ago