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Alja [10]
3 years ago
10

PLEASE HELP FAST!!!! 20 POINTS!!!! 80 + 10x = 0 + 20x Show work, please!!!

Mathematics
2 answers:
Alika [10]3 years ago
4 0

Answer:

x=8

Step-by-step explanation:

80+10x=0+20x

you have to subtract 20 from ten which is 10 and then you devide 80 by 10x which is x=8

Alex777 [14]3 years ago
3 0

Answer:

x=8

Step-by-step explanation:

80 + 10x = 20x

        -10x   -10x

subtract 10 x from both sides (always do to both sides)

80=10x

divide both sides by 10

80/10 = 8

10x/10 = x

x=8

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A clothing business finds there is a linear relationship between the number of shirts, n, it can sell and the price, p, it can c
gulaghasi [49]

Answer:

p=(-0.0125n) + 42.5

Step-by-step explanation:

Let p= price

n = number of shirts

m = slope of the line (note, the more shirts, the lower the price, so we know it's going to be negative)

b = y intercept

There are two points which are (1000, $30) and (3000, $5)

Our slope m = (p1-p2)/(n1-n2)

Filling in from our points m = (30-5)/(1000-3000)

m = 25/-2000

m = -0.0125

Since we have determined our slope, we can now find our equation

p-p1=m(n-n1)

p-30=(-0.0125)(n-1000)

p-30= (-0.0125n) + 12.5

p=(-0.0125n) + 42.5

Then, we can double check with the other point there:

p=(-0.0125n) + 42.5

5? (-0.0125x 3000) + 42.5

5= 5

Therefore,linear equation in the form p(n) is

p=(-0.0125n) + 42.5

3 0
3 years ago
10(-3n + 8) = 380 pls find n
Flauer [41]

Answer:

n = - 10

Step-by-step explanation:

10(-3n + 8) = 380

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80 - 380 = 30n

30n = - 300

n = - 300 : 30

n = - 10

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FromTheMoon [43]

Answer:

Divide the 2 to get your answer

Step-by-step explanation:


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4 years ago
The area of a circle is 80 square inches. Find the area of the sector whose central angle is 45 degrees
Pie
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