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nika2105 [10]
3 years ago
8

Help plz, its calculating area of a cricle​

Mathematics
2 answers:
kiruha [24]3 years ago
7 0

Answer:

1. 1385.44

2. 2463.01

Masteriza [31]3 years ago
6 0

Answer:

1. 1,385.442 , 2. 2,463.009  , 3. 7,542.964  , 4. 346.361

Step-by-step explanation:

pls mark brainiest!

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Among 18 students in a room, 7 study mathematics, 10 study science, and 10 study computer programming. Also, 3 study mathematics
tatyana61 [14]

Answer:

2 students study none of the subjects.

Step-by-step explanation:

Consider the attached venn diagram. First, we place that 1 student studies the three subjects. Then, we notice that 3 students study math and science, then 2 students study math and science only, since we have 1 that studies the three subjects. In the same fashion, we have that 3 students study Math and computer programming only (since they are 4 in total). Note that since 7 students study math, and we already have 6 students in our count in the math subject this implies that 1 student studies only math (the total number of students inside the math circle must add to 7).

We also have that 4 students study science and computer programming only. Which implies that we must have 3 students that study science only (10 students that study science in total) and 2 students study computer programming (for a total of 10 students). The total number of students that study none is the total number of students (18) minus the amount of students that is inside the circles (16) which is 2.

8 0
2 years ago
Read 2 more answers
Which two recipes have equivalent ratios of cups of flour needed to the number of cookies?
Bogdan [553]

Answer:

poop

Step-by-step explanation:

7 0
2 years ago
Is this correct pls help
Lyrx [107]

Answer:

Volume of round cake pan = volume of cylinder

Volume of a cylinder = \pi r^2h (where r is the radius and h is the height)

Radius = \dfrac12 diameter ⇒ r=\dfrac72=3.5

⇒ volume of round cake pan = \pi \times 3.5^2 \times 2=24.5\pi

= 76.97 in³ (nearest hundredth)

Volume of rectangular cake pan = volume of rectangular prism

volume of rectangular prism = wlh (where w is the width, l is the length and h is the height)

⇒ volume of rectangular cake pan = 6 x 9 x 2 = 108 in³

As 108 > 76.97, the rectangular cake pan has a larger volume

4 0
2 years ago
Find the length of line segment GF.
amm1812
Pythagorean theorem
c2 = a2 + b2
71^2 = 43^2 + b2
5041 = 1849 + b2
3192 = b2
b = 56.5 which is answer choice d
8 0
3 years ago
Find −a2 − 3b3 + c2 + 2b3 − c2 if a = 3, b = 2, and c = −3.
Juliette [100K]

Answer:

-17

Step-by-step explanation:

Ans. - 17

We just substitute the values of a, b and c and find the answer

7 0
3 years ago
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