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Scilla [17]
3 years ago
13

What is the best approximation for the area of the shaded region?

Mathematics
1 answer:
Leno4ka [110]3 years ago
6 0
100.cm² welcome! :3 :3
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HELP!!! WILL GIVE BRAINLIEST +LIKE AND 5 STARS ANSWER THE QUESTION IN THE PICTURE
denis-greek [22]

Answer:

omg lol look at the picture are u that guy

Step-by-step explanation:

its me from web2.0 :KOBE2482

D its D

6 0
2 years ago
How many swimmers are between the ages of 20-29?
attashe74 [19]

Answer:

15

Step-by-step explanation:

20-24 is 5 and 25-29 is 10

5+10=15

Magic!

6 0
2 years ago
An element with a mass of 990 grams decays by 16.9% per minute. To the nearest
melamori03 [73]

Answer:

It will take 13.58 minutes until there are 80 grams of the element remaining

Step-by-step explanation:

An element with a mass of 990 grams decays by 16.9% per minute.

We are supposed to find how long will it be until there are 80 grams of the element remaining

Formula :N(t)=N_0(1-r)^t

N(t)=Amount after t minutes

N_0=Initial amount

r = rate of decrease = 0.169

t = time in minutes

Substitute the values in the formula :

80=990(1-0.169)^t

\frac{80}{990}=0.831^t

t=13.58

Hence It will take 13.58 minutes until there are 80 grams of the element remaining

5 0
3 years ago
A cube has a surface area of 96 square inches. What is the volume of the cube
denpristay [2]
The formula for the surface area of a cube is: SA= 6((length of side)^2).
So if the surface area is 96, first divide by 6. And you get 16. Next you find the square-root of 16 and get 4. So the length of each side is 4 inches.
The formula for volume of a cube is V=(length of side)^3.
So 4 raised to the third power is: 4*4*4.
The volume of the cube is 64 inches cubed.
4 0
3 years ago
A school has 300 students.If the ratio of boys to girls is 31 to 44, how many more girls are there in the school?
garri49 [273]

Answer:

there would be 52 more girls I think

Step-by-step explanation:

let x = multiplier then

31x =number of boys

44x = number of girls

Boys + girls = 300

44x + 31x =300

75x = 300

x = 300/75

x = 4 is the multiplier

therefore:

44*4 = 176 girls

31*4 = 124 boys

dif = 52 more girls than boys

hope this helped :)

5 0
2 years ago
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