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3 years ago

12

How are number lines and the coordinate plane related?

1 answer:

schepotkina [342]3 years ago

8 0

a coordinate plane is a two-dimensional number line where the vertical line is called the y-axis and the horizontal is called the x-axis. And a number line is
a line on which numbers are marked at intervals, used to illustrate simple numerical operations. So how are the related........?

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the perimeter of this quarter circle with radius, r = 32mm. Give your answer as an expression in terms of π.

djverab [1.8K]

Answer:

16π + 64

Step-by-step explanation:

So the whole circumference is 64π

A quarter is 16π

Then you just have to account for the two radii.

16π + 64

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3 years ago

Simplify the ratio 0.08:0.12

mr Goodwill [35]

$0.08:0.12\\\\0.08\cdot100=8\\0.12\cdot100=12\\\\0.08:0.12\to8:12\\\\8:4=2\\12:4=3\\\\0.08:0.12\to8:12\to2:3$

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3 years ago

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jeds market has a total of 26 employees. Each full time employee makes $275/ week, and each part-time employee makes $140/ week.

I am Lyosha [343]

Answer:

$f=17\\p=9\\$

Step-by-step explanation:

Let

$f= Full-time\\p=Part-time$

Full time rates-$275, Part-time rates-$140

The problem can be expressed as:

$f+p=26...eqtn1\\275f+140p=5935....eqtn2\\$

Express eqtn1 in terms of f, $f=26-p$

Substitute f value in eqtn 2.

$=>275(26-p)+140p=5935\\7150-275p+140p=5935\\1215=135p\\p=9\\f=26-9=17\\$

Therefore, jeds has 17 fulltime and 9 parttime employees.

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3 years ago

Which constant number would be an to both sides of the equation rn order to complete the square for the quadratic function 1=x^2

AnnZ [28]

Answer:

k = 9

Step-by-step explanation:

Given

$1= x^2 - 6x$

Required

The perfect number

The coefficient c of x in the above equation is:

$c = -6$

Divide by 2

$c/2 = -3$

Square both sides

$(c/2)^2 = 9$

Hence, the constant to add is:

$k = 9$

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3 years ago