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icang [17]
3 years ago
14

How to show your work for 9 divided by 2.43

Mathematics
2 answers:
Degger [83]3 years ago
6 0

Answer:

3.70

Step-by-step explanation:

9 divided by 2.43

To divide decimal numbers we need to remove the decimal point

\frac{9}{2.43} =\frac{9 \ times \ 100}{2.43 \ times \ 100} =\frac{900}{243}

Now use long division to divide the numbers

                                    3.70370

                               --------------------------------    

                  243          900

                                   729

                              ---------------------------(subtract)

                                   1710                      (add decimal point at top)

                                   1701

                              ---------------------------

                                       900                (add 0 at top)

                                        729  

                                ---------------------------(subtract)

                                          1710                      (add decimal point at top)

                                          1701

                                    ---------------------------

                                              9

So answer is 3.70

gizmo_the_mogwai [7]3 years ago
3 0
Just do normal division, just like ignore the decimal point. for a moment once you got your answer bring back the decimal point back up to your answer. You would get 0.27 as your answer.
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Factor the following:
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8 0
2 years ago
F(x)=(5x+3)(x−2)(3x+7)(x+5) has zeros at x = -5, x = -7/3, x = 2
musickatia [10]

The sign of f on the interval -7/3 < x < -3/5 is always positive.

<h3>How to solve for the sign on the interval</h3>

We have the equation

(5x+3)(x−2)(3x+7)(x+5) > 0

Now when f(x) > 0

Then -7/3 < x < -3/5

This would tell us that the sign would become positive when it changes from the less than to greater than sign

<h3>Complete Question</h3>

f(x)=(5x+3)(x-2)(3x+7)(x+5) has zeros at x=-5, x=-7/3, x=-3/5, and x=2

What is the sign of f on the interval -7/3<x<-3/5?

answer choices

f is always positive on the interval

f is always negative on the interval

f is sometimes positive and sometimes negative on the interval

f is never positive or negative on the interval

Read more on polynomials here:

brainly.com/question/2833285

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2x+5y=-21 , -2x+3y+-27
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Answer:

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Step-by-step explanation:

2x+5y= -21

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y=-48/8= -6

sub for y in 2x+5y= -21

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2x= -21+30= 9

x= 9/2=4.5

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