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kaheart [24]
3 years ago
11

Given that 2x - 11 find y when x is 7

Mathematics
2 answers:
zysi [14]3 years ago
8 0
Answer y=3 because I had this problem in my math class
Nikolay [14]3 years ago
6 0

Answer:

y = 3

Step-by-step explanation:

(Assuming that 2x - 11 = y)

2x - 11 = y \\ 2(7) - 11 = y \\ 14 - 11 = y \\ 3 = y \\ y = 3

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Step-by-step explanation:

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3 years ago
Ed is 7 years older then ted Ed's age is also 3/2 times ted's age how old are ed and ted ​
Rasek [7]

Answer:

if i'm right ted is 14 and ed is 21

Step-by-step explanation:

if ed is 7 years older than ted and is 3/2 times eds age, than we have to find out how much dose 2 represent in the equation 3/2 so we know that ed is seven years older than ted. so that means that if the equation 3/2 was 1/2, 1 would represent 7 years. (i hope your following me) so if 1 represents 7 than 2 must represent 14 and that would be the age of ted because in the equation 3/2 the 2 would represent teds age. and if the 2 represents teds age than 3 would be eds age. so 7 x 3 = 21.  (this is my first time answering a question so sorry if i'm confusing)

5 0
3 years ago
A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years. These numbers ar
Ganezh [65]

Answer:

These numbers are - parameters.

Step-by-step explanation:

A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years.

These numbers are - parameters.

These numbers are parameters as they are for all the​ students, and merely not a sample.

7 0
3 years ago
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