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3 years ago

When dividing two negative numbers does the order of the numbers matter? And why?

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

4 0

Answer:

It doesn't matter

Step-by-step explanation:

Negative by negative = positive

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The surface area of a sphere is given by the formula
.. A = 4π*r^2
.. A = 4π*(1.25 in)^2 ≈ 20 in^2

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4 years ago

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Mila [183]

Answer:

Step-by-step explanation:

The answer is 2.2

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3 years ago

A man is planning to take his vacation in three weeks. He determines that there is a 15% chance of rain on any given day in that

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Answer: 15%

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3 years ago

What is the measure of angle x and y in the diagram?<br> x<br> 30°<br> YN<br> 52°

nikitadnepr [17]

Answer:

x = 30° and y = 52°

Step-by-step explanation:

angles on the circle subtended by the same arc are congruent

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2 years ago

Which system of inequalities represents region Z?

ANTONII [103]

Answer:

The system of inequalities is

$y\geq 3x-2$

$y$

Step-by-step explanation:

step 1

Find the equation of the solid blue line

Let

$A(0,-2), B(1,1)$

Find the slope of AB

$m=(1+2)/(1-0)=3$

The equation of the line into slope intercept form is equal to

$y=mx+b$

we have

$m=3$

$b=-2$ ----> the point A is the y-intercept

substitute

$y=3x-2$ -----> equation of the solid blue line

The solution of the inequality is the shaded area above the solid line

therefore

The first inequality is

$y\geq 3x-2$

step 2

Find the equation of the dashed red line

Let

$C(0,2), D(5,1)$

Find the slope of CD

$m=(1-2)/(5-0)=-1/5$

The equation of the line into slope intercept form is equal to

$y=mx+b$

we have

$m=-1/5$

$b=2$ ----> the point C is the y-intercept

substitute

$y=-(1/5)x+2$ -----> equation of the dashed red line

The solution of the inequality is the shaded area below the dashed line

therefore

The second inequality is

$y$

The system of inequalities is

$y\geq 3x-2$

$y$

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3 years ago