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4 years ago

8

. At the beginning of the day, the stock market goes up 30 points. At the end of the day, the stock market goes down 120. points

. What is the total change in the stock market from the beginning of the day to the end of the day? Please help me quick my class is about to end!!!

1 answer:

Tems11 [23]4 years ago

8 0

Answer: 90

Step-by-step explanation:

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Корень x-5=корень 3-x

Firlakuza [10]

√(x-5) = √(3-x)
|x-5| = |3-x|
x-5= 3-x
2x = 8
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3 years ago

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4 years ago

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Leya [2.2K]

Answer:

What is the car's rate in kilometers per minute?

$0.9\frac{km}{min}$

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$4.5\ km$

Step-by-step explanation:

If we know:

$\frac{54\ km}{1\ hour}$

And there are 60 minutes in an hour:

$\frac{1\ hour}{60\ minutes}$

We can do:

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2 years ago

What does m/s mean in math

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3 years ago

Read 2 more answers

A system of equations is shown below: n = 3m + 5 n − 2m = 3 What is the solution, in the form (m, n), to the system of equations

marshall27 [118]

$n=3m+5 \\
n-2m=3 \\ \\
\hbox{substitute 3m+5 for n in the second equation:} \\
3m+5-2m=3 \\
m+5=3 \\
m=3-5 \\
m=-2 \\ \\
n=3m+5 \\
n=3 \times (-2)+5 \\
n=-6+5 \\
n=-1 \\ \\
(m,n)=(-2,-1)$

The answer is C.

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4 years ago