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EleoNora [17]
3 years ago
9

Accuracy represents accuracy represents repeatability of a measurement, using a given instrument. How close a measurement is to

the true value. How poorly an instrument is operating. Ideal number of measurements to make.
Mathematics
1 answer:
Nastasia [14]3 years ago
7 0

Accuracy represents ...

... How close a measurement is to the true value

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What is the solution for this <br> 5|x-2| =30<br> X=?
evablogger [386]

Hello from MrBillDoesMath!

Answer:

x = 8, x = -4

Discussion:

5 | x - 2| = 30              => divide both sides by 5

|x -2| = 30/5 = 6          => |x-2| = 6

(x-2) = 6                       => x = 2 +6

x = 8

or

(x-2) = -6                     => x = 2 + -6

x = -4

Thank you,

MrB

8 0
3 years ago
Read 2 more answers
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
PilotLPTM [1.2K]
I believe it's the second answer, where "the test contains 10 3-point questions and 14 5-point questions."
4 0
4 years ago
How to solve system graphically 4y = x + 8, x = 2/3y +2
8_murik_8 [283]
4y = x + 8
<u>x = 2/3y + 2</u>
4y = x + 8
<u>2/3y = x + 2</u>
<u>3 1/3y </u>= <u>  8   </u>
 3 1/3     3 1/3
        y = 2 2/5
4(2 2/5) = x + 8
   9 3/5 = x + 8
<u>       -8        -8</u>
   1 3/5 = x
     (x y) = (1 3/5, 3)
5 0
4 years ago
As x increases and y stays constant, z as y increases and x stays constant, zas x increases and z stays constant, y
Stells [14]

Consider z=\frac{x}{y}

(1) As x increases and y stays constant, z ______

(2) As y increases and x stays constant, z _____

(3) As x increases and z stays constant, y ______

Answer:

z=\frac{x}{y}

(1) As x increases and y stays constant, z increases

When y stays constant, z is directly proportional to x. So , as x increases the z also increases.

(2 ) As y increases and x stays constant, z decreases.

When x stays constant, z is inversely proportional to y. So , as y increases the z decreases.

(3) As x increases and z stays constant, y increases

z=\frac{x}{y} (z stays constant)

So equation becomes y=\frac{x}{z}

When z stays constant, y is directly proportional to x. So , as x increases the y also increases.



6 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 2x-6. The perimeter of the triangle is 23 . Find x.
expeople1 [14]

Answer:

In an isosceles triangle, the legs of the triangle have same lengths.

{ \tt{perimeter = side + side + side}}

• substitute:

{ \tt{23 = x + 2(2x - 6)}} \\  \\ { \tt{23 = x + 4x - 12}} \\  \\ {  \tt{5x = 35}} \\  \\ { \boxed{ \tt{ \:  \: x = 7 \:  \: }}}

7 0
3 years ago
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