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irga5000 [103]
2 years ago
10

If ⅔ of a number is 20 what is ½ of the number?​

Mathematics
2 answers:
Kamila [148]2 years ago
8 0

the answer is in the image above

zmey [24]2 years ago
6 0

Answer:

15

Step-by-step explanation:

2/3 of 30 is 20, so 1/2 of 30 is 15

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Sammy and David were selling water bottles to raise money for new football uniforms famous or 5 water bottles for every 3 water
ANTONII [103]
In the given question, we come to know that Sammy sold 5 bottles for every 3 water bottles sold by David. In this case we get the ratio as 5:3
Now this ratio indicates that the total number of bottles can be divided into 8 parts for finding out a single part. the total number of water bottles that are sold by Sammy and David together are 160.
Now on dividing this total number of bottles by 8 we get the 20 as one part.
The,
Number of Bottles sold by Sammy = 5 * 20
                                                         = 100
Number of bottles sold by David = 3 * 20
                                                   = 60
So Sammy sold 100 water bottles and David sold 60 water bottles from the total of 160 water bottles.
8 0
3 years ago
Solve the equation 12+ 0.35×=20.05
lbvjy [14]
12 + 0.35X = 20.05
12 + 0.35X - 12 = 20.05 - 12
0.35X = 8.05 
0.35X/0.35 = 8.05/0.35
X = 23
Hope this helps!! 
8 0
3 years ago
How are unit circle and trigonometric functions related?
Kipish [7]

Answer: The unit circle contains values for sine, cosine, and tangent.

Step-by-step explanation: The coordinates on the unit circle are the sine ratio and cosine ratio. From this, the tangent, secant, cosecant, and cotangent can be found.

8 0
3 years ago
Find the circumference of the circle in terms of pi? [30]
son4ous [18]

Answer:

60π

Step-by-step explanation:

If the circle has radius of 30 units, substitute r=30 into the formula C = 2πr.

C = 2π(30)

C = 60π

3 0
3 years ago
Read 2 more answers
15:45 in simplest form
mylen [45]
15:45 in simplest form is 1:3

the LCM of 15 and 45 is 15, and when you divide both by 15, you get 1:3
7 0
3 years ago
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