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pickupchik [31]
3 years ago
15

A spherical water tank with a radius of 21 ft is being filled at a rate of 150 ft3 per hour. How much time must elapse for the w

ater tank to be completely filled? Use 3.14 for π .
Calculate the time it will take to completely fill the tank by writing and solving a proportion using the constant rate of change.
Mathematics
1 answer:
Luden [163]3 years ago
4 0
GHHHHH IEEKEKEEJEJEJEJEJEJEEJRJRJRRJRJRJRJRJRJRJRJRJRJRJR
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in these triangles, side AB is congruent to side DF, and side BC is congruent to side FG. Determine the values of x and y
vlada-n [284]
I added a screenshot with the complete question

Answer:
x = 3
y = 9

Explanation:
1- getting the value of x:
We are given that:
side AB is congruent to side DF. This means that:
AB = DF
3(2x+10) = 12x + 12
6x + 30 = 12x + 12
12x - 6x = 30 - 12
6x = 18
x = 18/6
x = 3

2- getting the value of y:
We are given that:
side BC is congruent to side FG. This means that:
BC = FG
2y + 12 = 2(2y-3)
2y + 12 = 4y - 6
4y - 2y = 12 + 6
2y = 18
y = 18/2
y = 9

Hope this helps :)

5 0
3 years ago
Simplify the following expression 2x cubed y cubed over 4y squared
Mekhanik [1.2K]

3xcubed y to the fifth over 2

4 0
4 years ago
What is 4+1+20+100=1000
astraxan [27]

Answer:

4 + 1 + 20 + 100 = 1000

5 + 20 + 100 = 1000

25 + 100 = 1000

125 = 1000

The equation would be false because 125 does not equal 1000

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Determine whether AB is tangent to the circle with center c
GenaCL600 [577]

9514 1404 393

Answer:

  yes, no, no

Step-by-step explanation:

The triangle will be a right triangle if the sum of the squares of the two short sides, less the square of the long side, is zero. (This is what the Pythagorean theorem tells you.) The angle where the radius meets the circle must be a right angle if the line is to be a tangent.

__

a) 3^2 +4^2 -5^2 = 9 + 16 -25 = 0 . . . . AB is a tangent

__

b) 9^2 +15^2 -18^2 = 81 +225 -324 = -18 . . . . AB is not a tangent

__

c) 10^2 +48^2 -52^2 = 100 +2304 -2704 = -300 . . . . AB is not a tangent

3 0
3 years ago
A puppy weighed 27 lb. His weight increased by 233% by the time he was 1 year old.
Ne4ueva [31]
1. you multiple 27 by 2.33 (which is the percent in the decimal form) 
2. you add 27 to (27x2.33)
3. You should get about 89.91 pounds 
4 0
3 years ago
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