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Delvig [45]
3 years ago
14

I never got this type of subject . Please help me !

Mathematics
1 answer:
Vilka [71]3 years ago
7 0
F 2/5  here is the answer i am not good at working this out but i can do this in my head very easily 
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Select the expression that is equivalent to 2b+ 5 + 6b − 2b − 1.
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Step-by-step explanation:

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2 years ago
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HELP ITS ABOUT POINTS AND EQUATIONS AND WHAT THE PERSON FAILED IN DOING EXPLANATION NEEDED PLEASE
katen-ka-za [31]

Answer:

see below

Step-by-step explanation:

First find the slope

m= ( y2-y1)/(x2-x1)

  = (-5- -7.5)/ ( 2 - -3)

  = (-5+7.5) / ( 2+3)

  = 2.5 /5

   =1/2

Then using the slope intercept equation of a line

y = mx+b where m is the slope and b is the y intercept

y = 1/2x+b

Using a point from above

-5 = 1/2(2) +b

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Subtract 1 from each side

-6 = b

We have the y intercept

y = 1/2x-6

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8 0
2 years ago
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How do you do percent of change?
dusya [7]

Answer:

Percentage change equals the change in value divided by the absolute value of the original value, multiplied by 100.

Step-by-step explanation:

First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number.

Then: divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100.

Hope this helps

BRAINLIEST PLZ

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3 years ago
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Evaluate the expression for a =-4<br> 5s+14
soldier1979 [14.2K]

Answer:

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Step-by-step explanation:

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1. Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).
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Answer:

western beach:  y = -2x + 100

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set the equations equal to each other

-2x + 100 = 5x + 20

100 - 20 = 7x

80 = 7x

80/7 = x

x ~ 11.43 years

Step-by-step explanation:

6 0
2 years ago
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