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weeeeeb [17]
3 years ago
15

Number 41 what is the answer

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
8 0
Given diameter: d = 23.5 cm
find radius: r = 23.5/2 = 11.75 cm
find volume: V = (4/3)πr³ = (4/3)π(11.75 cm)³ = 6795.2 cm³
divide volume by rate: 6795.2/230 = 29.24

even though 29.24 rounds down to 29, I'd say 30 pumps just to get over the volume given in the question. It can go either way on that. It's pretty messed up for them to choose numbers so close together 
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Please help me on this question as soon as possible if you don't know the right answer for this question do not answer this ques
umka2103 [35]
2b + 34greater then or equal to 54

5 0
3 years ago
Many games depend on how a ball bounces. For example, if different basketballs rebounded differently, one basketball would bounc
Crank

Answer:

Basketball = 0.743

Step-by-step explanation:

Given

Tennis:

Starting Height = 200 cm

Rebound Height = 111 cm

Soccer Balls;

Starting Height = 200 cm

Rebound Height = 120 cm

Basketball:

Starting Height = 72 inches

Rebound Height = 53.5 inches

Squash:

Starting Height = 100 inches

Rebound Height = 29.5 inches

For measuring the bounciness of a ball, one needs that starting Height of and the rebound Height of that ball which have been listed out above.

Calculating the rebound ratio of each balls.

Rebound Ratio = Rebound Height/Starting Height

Tennis: 111/200= 0.556

Soccer Balls: 120/200 = 1.667

Basketball: 53.5/72 = 0.743

Squash: 29.5/100 = 0.295

From the rebounding ratio calculated above, it can be seen that basketball has the highest rebound ratio of 0.743 and is the bounciest of all whole Squash has the least rebound of 0.295 ratio, hence it is the least bounce of all.

8 0
3 years ago
Can someone plz help me and explain it to me?
Marina86 [1]
You always either divide the equation or multiply the equation
hope this helps
6 0
4 years ago
Need help GET BRAINLISTS #8
gladu [14]

Answer: 6.7 mm

Step-by-step explanation:

The area of a square is equal to side(side), but is also equal to 1/2(apothem)(perimeter).

The apothem is the perpendicular distance from the center of the square to the midpoint of its side.

We can use these formulas to find the apothem and use the pythagorean theorem to find the hypotenuse (slant height).

Area of square = 9(9) = 81

Area of square = 1/2(apothem)(perimeter)

Perimeter = 4(9) = 36

81 = 1/2(apothem)(36)

162 = apothem(36)

apothem = 4.5

Pythagorean theorem: a^{2} + b^{2}  = c^{2}

Plug the apothem and the given height into the equation:

4.5^{2} + 5^{2}  = x^{2} (x being the slant height)

20.25 + 25 = x^{2}

x = \sqrt{45.25}

x ≈ 6.7

5 0
4 years ago
What does x equal in 3.8x = -19
Sauron [17]

Answer: -5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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