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Readme [11.4K]
3 years ago
14

HELP I NEED HELP ASAP

Mathematics
1 answer:
jekas [21]3 years ago
7 0

Answer:

The answer is Door you can choose C because is likely to be the answer

You might be interested in
I) Find the volume in terms of pie
SVETLANKA909090 [29]

Answer:

i) pi×4500 cm³

ii) pi×600 cm²

iii) 14 liters

Step-by-step explanation:

in general : the diameter is 30 cm, the radius is half of that (15 cm)

i)

the volume of a cylinder is base area times height.

Vc = pi×r²×h = pi×15²×20 = pi×225×20 = pi×4500 cm³

ii)

similar to volume, the side "mantle" area of the cylinder is the circumference of the base area times height.

surface area of the cylinder mantle is

Scm = 2×pi×r×h = 2×pi×15×20 = pi×30×20 = pi×600 cm²

iii)

for this we need now to do the multiplication with pi and then convert the cm³ to liters.

1 liter = a cube of 10 cm side length = 10×10×10 = 1000 cm³

pi×4500 = 14137.17 cm³ = 14.13717 liters or rounded 14 liters

3 0
3 years ago
Which of the following could be the area of a room?<br> a. 18 m<br> b. 50 ft.<br> c. 29 m
Keith_Richards [23]

Answer:

probley A

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Austin walks 2/3 of the way to school and stopped to rest. Devyn walks 4/6 of the way to school and stops for a rest. Where are
bixtya [17]

Answer:

both are at the same distance

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help me please??!!!
kaheart [24]

Answer:

its the second 1

Step-by-step explanation:

i had last week and got a 88.87%

6 0
3 years ago
Factor completely x^2 + 8x + 15.<br> O (x+3)(x+5)<br> O (x+3)(x-5)<br> O X+1)(x+15)<br> O(x+1)(x-15)
Maksim231197 [3]

Answer:

x<3 and x<5

Step-by-step explanation:

Given the quadratic inequality x² - 8x + 15 <0, to get the solution set for the inequality, the following steps must be followedStep 1: Factorize the quadratic expression

x² - 8x + 15 <0

x² - 3x - 5x + 15 <0

x(x - 3) - 5(x - 3)  <0

(x -3)(x -5)< 0

x -3<0 and x -5<0

x< 3 and x< 5

3 0
3 years ago
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