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suter [353]
3 years ago
6

4/9x-y=4 Find the Y intercept and x intercept. A:( , ) B:( , ) than plot. I just need to know how to find it.

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0
Convert the equation to  slope intercept form ) y = mx + b):-

-y = -4/9x + 4
y = 4/9x - 4

the y intercept is where y = -4 =  at the point (0,-4)

To find x intercept put y = 0 and solve:-
0 = 4.9x - 4

 4.9x = 4
x = 4/4.9  = 0.82

x intercept is at (0.82,0) 


TEA [102]3 years ago
3 0
The y intercept is 4 and the x intercept is 0
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Answer:

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Product A is 82% change rate, while

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Product B is 245.8625/585.3867

product B is 42% change rate

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Step-by-step explanation:

Hope this helped! :)

6 0
3 years ago
Find the tax (7%) paid on $99 sneakers
anygoal [31]
$6.93
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5 0
3 years ago
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sammy [17]

Answer:

39 + 5d

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7 0
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In a parenting magazine, Mrs. Smith read an advertisement about all the different ways that bleach can be used to kill bacteria.
babymother [125]

Question:

(a) How many bacteria would be found in 24 hours

(b) How many bacteria would be found in 2 days

(c) How long for 1000 bacteria to be found

Answer:

(a) 282429536481 bacteria

(b) 7.97*10^{22 bacteria

(c) 6 days

Step-by-step explanation:

The question illustrates an exponential function

y = ab^x

Where

a = Initial\ Value = 1

b=Rate = 3 --- i.e. triples

x = number\ of\ hours

Solving (a): Bacteria in 24 hours

In this case:

x = 24

Substitute x = 24, b = 3 and a = 1

So:

y = ab^x

y = 1 * 3^{24

y = 1 * 282429536481

y = 282429536481 bacteria

Solving (b): Bacteria in 2 days

2\ days =48\ hours

So:

x = 48

Substitute x = 48, b = 3 and a = 1

So:

y = ab^x

y = 1 * 3^{48

y =7.97*10^{22 bacteria

Solving (c): How long for 1000 bacteria

In this case:

y = 1000

Substitute y = 1000, b = 3 and a = 1

So:

y = ab^x

1000 = 1 *3^x

1000 = 3^x

Take Log of both sides

Log1000 = Log3^x

This gives:

Log1000 = xLog3

Make x the subject

x = \frac{Log1000}{Log3}

x \approx 6

<em>Hence: It takes 6 days</em>

8 0
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