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butalik [34]
2 years ago
10

Can someone explain step by step?

Mathematics
2 answers:
Bumek [7]2 years ago
8 0

Step-by-step explanation:

20/100x580

11600/100

=116

therefore, 580-116 equal 464

Sally take home salary will be $464

PSYCHO15rus [73]2 years ago
3 0

Answer:

464 dollars.

Step-by-step explanation:

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Step-by-step explanation:

4 0
3 years ago
Find the range of f in given ordered pair f(X)=8x-9,D={4,5,6}. plz. help fasttt plspls<br>​
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Answer:

f(2) = -2 + 12 = 10 so the ordered pair is (-2, 10).

6 0
3 years ago
You need to strengthen a 19% alcohol solution with pure alcohol solution to obtain 40% solution. How much pure alcohol should yo
Alex73 [517]
Let x be the number of mm of pure alcohol to be added:

I will add the mm to express the volume in mm
100mm.(19%) + (100%).x mL = (100 mL+x mL).(40%).
Now right again without the %
100.(0.19) + x.(1) = (100+x).(0.4)

19 + x = = 40 + 04x
x - 0.4x = 40 - 19
0.6 x = 21
x = 21/0.6  and x = 35 mL. This te quantity of pure alcohol should to be added to get a solution at 40%.



8 0
3 years ago
The set of life spans of an appliance is normally distributed with a mean mc013-1.jpg = 48 months and a standard deviation mc013
elena55 [62]
The life span would be 24 months.

The formula for z-scores is:
z=\frac{X-\mu}{\sigma}

Using the information we're given we have:
-3=\frac{X-48}{8}

Multiply both sides by 8 to cancel it:
-3(8) = ((X-48)/8)*8
-24 = X-48

Add 48 to both sides:
-24+48 = X-48+48
24=X
7 0
3 years ago
Read 2 more answers
What many eighths in 0.25
Sergeu [11.5K]
There are 3 eighths in 0.25
4 0
3 years ago
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