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4 years ago

How to find the area of each of the shaded sectors and round to the nearest hundredth

Mathematics

1 answer:

Mazyrski [523]4 years ago

8 0

Answer:

1-6 you need to write the JHI DEF where the radius center point is in the middle of each shape next to 1-6 some have 2 shapes so use 6 letters there.

Step-by-step explanation:

1. Area = 72 of 360 = 20% of 716.3 = 143.26inch*2 =JHI

2.Area = 19 of 360 = 68.4% of 69.4 = 47.46km^2 =DEF

3. Area = 92 of 360 = 25.56% of 153.9 = 39.33cm^2

4. Area = 226 of 360 = 64.57% of 706.9 = 456.45ft^2

5. Area = 74 of 360 = 20.55% of 153.9 =31.63 inch^2

6. Area = 326 of 360 = 90.56% of 1452 -137.07 = 1314.93m^2

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A hostel having strength of 300 students requires on an average 36000 L of water per day. It has a tank measuring 10 m × 8 m × 9

Novosadov [1.4K]

Answer:

The water in the tank filled to capacity lasts 20 days.

Step-by-step explanation:

Total number of students in the hostel = 300

The average need of water per day = 36,000 L

The dimensions of the tank = 10 m × 8 m × 9 m

Now, the capacity of the tank = LENGTH X WIGHT X HEIGHT

= 10 m × 8 m × 9 m = 720 cubic meters

Now, $1m^{3} = 1,000L$

⇒ $720 m^{3} = 720 \times 1,000L = 720,000L$

So, the capacity of the tank = 720,000 L

and the average usage of water by 300 students = $= \frac{720,000 L}{36,000 L} = 20$

⇒ $\textrm{The number of days water lasts} = \frac{\textrm{Total capacity of the tank}}{\textrm{Average need of water per day}}$

or, number of days = 20

Hence, the water in the tank filled to capacity lasts 20 days.

3 0

3 years ago

A right triangle has a lleg of length 16 and a hypotenuse of length 25. The length of the other leg is (Rounded to the nearest t

Wittaler [7]

Answer:

Step-by-step explanation:

1st you will use a^2+b^2=c^2

next you plug them in so it would be a^2+16^2=25^2

next you would solve it to a^2+256=625

then you would get 369 and square root it

and your answer will be 19.2.

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2 years ago

What expression is equivalent to -15x + 39? *

Nookie1986 [14]

Answer:

-15x + 39 = -3(5x - 13)

Step-by-step explanation:

a. -3(5x - 13) = -15x + 39

b. -3(5x + 13) = -15x - 39

c. 3(5x - 13) = 15x - 39

d. 3(5x + 13) = 15x + 39

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2 years ago

1. x² + 2xy – 7 xy + 4y?<br>Input your answer here:

viktelen [127]

collect the like terms:

Solution: x^2-5xy+4y

P.S

get the photo math app. :)

Hope that helps.

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3 years ago

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Scilla [17]

Answer:

Step-by-step explanation:

You should follow PEMDAS with this.

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3 years ago