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3 years ago

Martha changed 350 US dollars into 385 Australian dollars. How many Australian dollars did she receive for each US dollar?

Mathematics

1 answer:

Setler [38]3 years ago

6 0

Answer:

To answer this question, conversation or equivalent rate is needed. How much Australian dollar is in U.S dollar? Due to exchange rate fluctuations, this rate should be provided in the question.

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The sum of 14 and a number is equal to 17

-Dominant- [34]

The sum of 14 and a number is 14+x

we know that this equals 17, so: 14+x=17.

Let's substract 14 from both sides:

x=17-14

x=3

so the number is 3.

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Solve for b. ax+3b=2f

tatuchka [14]

b = $\frac{2f}{3}$ - $\frac{ax}{3}$

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What is 0.008 in scientific notation

guajiro [1.7K]

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Graph a line that contains the point (-5,-3) and has a slope of -2

nikitadnepr [17]

Given:

The line contains the point (-5,-3) and has a slope of -2.

To find:

The graph of the line.

Solution:

The line contains the point (-5,-3) and has a slope of -2. So, the equation of line is

$y-y_1=m(x-x_1)$

where, m is slope.

$y-(-3)=-2(x-(-5))$

$y+3=-2(x+5)$

$y+3=-2x-10$

Subtracting 3 from both sides, we get

$y=-2x-10-3$

$y=-2x-13$

So, the equation of line is $y=-2x-13$ .

Putting x=0, we get

$y=-2(0)-13$

$y=0-13$

$y=-13$

It means, the line also passes through (0,-13).

Plot the points (0,-13) and (-5,-3) on a coordinate plane and connect them by a straight line.

Therefore, the graph of given line is shown below.

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3 years ago

suppose you work at a job where your pay varies directly as the number of hours you work.Your pay for 7.5 hours is $45. Find you

Maksim231197 [3]

You will get paid $180 because there are 4, 7.5 hours in 30 hours so you multiply $45*4 and you get $180

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3 years ago

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