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Allisa [31]
3 years ago
8

Calculate- (with work pleasee) i really need it !! -0.2(x-20)=44-x

Mathematics
1 answer:
erica [24]3 years ago
7 0

Answer:

x=50

Step-by-step explanation:

-0.2(x-20)=44-x

Distribute

-0.2x+4=44-x

Add x to each side

-.2x +4+x = 44-x+x

.8x+4 = 44

Subtract 4 from each side

.8x+4-4 = 44-4

.8x = 40

Divide each side by .8

.8x/.8 = 40/.8

x=50

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SVETLANKA909090 [29]

Answer:

y = 5x + 4

Step-by-step explanation:

First I found the slope by using the the definition that slope is rise/run so I saw that the y value went up from 4 to 9 which is 5 units and then the x value went up one in that same time. This means that the slope is 5/1. Then I found the y intercept by seeing where x = 0. On the graph you can see the line touches the y - axis at a value of 4 which means that the y - intercept is 4. Plugging these values into the y = mx + b equation you get y = 5x + 4.

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
Consider that a data set of 10 data points has a mean of 5. If every data point was doubled in the set, how might that affect th
Vesnalui [34]

Answer:

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Solve the following equation for x. x = -2 x = 2 x = -17 x = -7 (x - 5)/2 = -6
nordsb [41]

Step-by-step explanation:

x= -2,

(x - 5) / 2= -6

( (-2) - 5) / 2= -6

(-7) / 2 = -6

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right hand side not equal to left hand side of this equation.so,x= -2 cannot exist for this equation.

x=2,

(x - 5) / 2= -6

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right hand side not equal to left hand side of this equation.so,x= 2 cannot exist for this equation.

x= -17

(x - 5) / 2= -6

( ( -17) - 5) / 2= -6

(- 22) / 2= -6

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right hand side not equal to left hand side of this equation.so,x= -17 cannot exist for this equation.

x= -7,

(x - 5) / 2= -6

( ( -7) -5) / 2= -6

(-12) / 2= -6

-6= -6

right hand side equal to left hand side of this equation.so,x= -7 exist for this equation.

8 0
3 years ago
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