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Troyanec [42]
3 years ago
14

Twice the sum of a number and 2 is equal to three times the difference of the number and 7.Find the number.

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0

Answer:

the best choice would be b.


Step-by-step explanation:


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Solve the equation. 4n−18=52
Margaret [11]
How to solve this: (in case you need it)
4n-18=52
4n-18+18=52+18
4n=70
4n/4=70/4
n=35/2
6 0
3 years ago
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Joe measured the diameter of a tennis ball correct to the nearest millimetre. The upper bound of his measurement was 6.75 centim
Mandarinka [93]

The lower bound of the measurement is 65.5 millimetres.

A centimetre equals 10 millimetres, a measure is expressed by the <em>measured</em> magnitude plus uncertainty, the latter one represents the grade of precision of the measure instrument. That is to say:

y = x + \epsilon (1)

Where:

  • x - Measured magnitude, in millimeters.
  • y - Possible magnitude, in millimeters.
  • \epsilon - Uncertainty, in millimeters.

If we know that y = 67.5\,mm and \epsilon = 1\,mm, then the lower bound of the measurement is:

y = 67.5\,mm - 2\cdot (1\,mm)

y = 65.5\,mm

The lower bound of the measurement is 65.5 millimeters.

We kindly invite to check this question on measurements: brainly.com/question/4205362

4 0
3 years ago
What is the y-intercept of y = 5 (6.8)^x<br> a. 5<br> b. 6.8 <br> c. 1 <br> d. x
ivolga24 [154]
The answer to this question is A, the graphs y intercept is 5
7 0
3 years ago
Used Cartesian coordinate system to plot the following points
Fiesta28 [93]
(x,y)
go over x, and up or down y
if fraction then between integers (1/2)=> between 0 and 1.
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(0,y) move y
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8 0
3 years ago
A student said we cannot subtract 1.97 from 20 because one 1.97 has two decimal digits and 20 has none do you agree with this st
Pie

Answer: We can

Step-by-step explanation: 20.00

                                         -      1.97

                                             

5 0
3 years ago
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