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sladkih [1.3K]
3 years ago
10

ILL GIVE BRANLIEST AND MANY POINTS

Mathematics
1 answer:
viva [34]3 years ago
3 0

Percent change formula:

C = x    -   x

        2         1 / x

                            1

To calculate percent change we need to take the difference between the starting value and final value, divide by the absolute value of the starting value, and multiply the result by 100.

1. 72 is a 33.333% decrease of 108. Round is 33%.

2. 90 is a 20% increase of 75. Round is 20%.

3. 49 is a 75% increase of 28. Round is 80%.

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Lubov Fominskaja [6]
The answer is 3.5 hours.
18 hours divided by 5 knights.
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3 years ago
Help!!!!!
vodomira [7]
For each input (number), there is exactly ONE output.  So the given table does represent a function.


If  <span>f(x)=925x+1000 and x=24, then f(24) = 925(24)+1000 = 23200.</span>
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4 years ago
I need help with this math problem on get more math the photo is at the top
frozen [14]

Answer:

30

Step-by-step explanation:

6x5=30 Just took the test and got 100%

6 0
3 years ago
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Answer:

127.5 km

Step-by-step explanation:

8 0
3 years ago
Which of the following is the equation of a line that passes through (-2,1) and (-4,-3)?
stich3 [128]

Answer:

The equation is y= 2x+5

Step-by-step explanation:

Lets find the slope of the line through the points (-2,1) and (-4,-3).

where x1 = -2,  y1= 1,  x2= -4,  y2 = -3.

Now apply slope formula:

m= y2-y1/ x2-x1

m= -3-1/-4-(-2)

m = -4/-4+2

m= -4/-2

Divide the term by 2:

m = 2

Now we will apply point slope formula:

y-y1 = m (x-x1)

Now substitute the values in the formula:

y-1=2(x-(-2))

y-1 =2(x+2)

y-1=2x+4

Now combine the constants:

y= 2x+4+1

y=2x+5

So the equation is y= 2x+5 ....

3 0
4 years ago
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