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Elina [12.6K]
3 years ago
11

Please help me asap.​

Mathematics
1 answer:
Finger [1]3 years ago
8 0

Answer:

30.2 aka C

Step-by-step explanation:

The formula for the area of a circle is A = pir^2. Knowing this we can create the equation A = 3.14(3.1)^2. Following PEMDAS square 3.1 to get 9.61. Then you multiply 9.61 with 3.14 to get 30.1754. When you round to the nearest tenth you get 30.2.

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How do you do this question
maxonik [38]

Answer:

I am not sure about the actual answer but hopefuly you figure this out

Step-by-step explanation:

To get the number of boys and girls you do 3+5 to get 8. 120 divided by 8 is 15. so every digit in the ratio is 15 students. 15x3 is 45 and 15x5 is 75. there are 45 girls and 75 boys. 16/25 of the boys go climbing. There are 75 boys so you do 16x3 because 25x3 is 75 so 16x3 is 48. 48 boys go climbing. 120-48 is 72. and 27 boys go sailing.

8 0
3 years ago
Jonas wrote 9+8=17, what number sentence shows th commutative property of addition
Valentin [98]
The number sentence would be 8+9=17 because commutative property is when you just switch around the numbers but get the same answer.
7 0
3 years ago
Construct a linear function, f(x), to model the ordered pairs (6, 2) and (7, −5). f(x) = 7x + 44 f(x) = x + 4 f(x) = −44x + 7 f(
Sonbull [250]

First we find the slope between the two given points.

m = (y2 - y1)/(x2 - x1) = (-5 - 2)/(7 - 6) = -7/1 = -7

Now we use the slope-intercept equation of a line.

y = mx + b

We use one point as x and y, and we solve for b.

2 = -7(6) + b

2 = -42 + b

b = 44

The equation is

y = -7x + 44

Answer: f(x) = -7x + 44

4 0
4 years ago
Please help with 15 and 16 (IF U KNOW)
Furkat [3]
15 is 48 and 16 will be tricky!
5 0
4 years ago
A 450-pound circus tiger eats 15 pounds of meat per day. How many pounds of meat would you expect a 360-pound tiger to eat per d
navik [9.2K]
Hi :)

This kind of question is purely based upon proportionality. We are going to be using the cross product method to assess it.
First-hand, it can always help to write down the information that you do have, and the one that is missing.
Here;

450-pound tiger — > 15 pounds of meat
360-pound tiger — > ?? pounds of meat

The calculation you’ll want to use is the following:
360 x 15 / 450
The answer is 12 pounds.

Therefore, you would expect a 360-pound tiger to eat 12 pounds of meat per day.
I hope this helps! Have a nice day :)
3 0
2 years ago
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