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lutik1710 [3]
3 years ago
7

How do you find the variable when it’s on both sides of the equation

Mathematics
1 answer:
ASHA 777 [7]3 years ago
3 0

If, for example, you had x on one side and x on the other, then subtracting x from both sides "disappears" x. If no other power of x shows up on either side, then your equation either has no solution or is always true.


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Point P is located at (−2, 7), and point R is located at (1, 0). Find the y value for the point Q that is located two thirds the
BARSIC [14]

Answer:

5.1

Step-by-step explanation:

Before we calculate  the y value for the point Q that is located two thirds the distance from point P to point R, we need to get the distance of point p from point R using the formula for calculatingf the distance between two points

D = √(x2-x1)²+(y2-y1)²

Given P(−2, 7), and R(1, 0)

RP = √(1-(-2))²+(0-7)²

RP = √3²+(-7)²

RP = √9+49

RP =√58

To get the y value for point Q that is located two thirds the distance from point P to point R, this will give

PQ = y = 2/3 of √58

= 5.1

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Answer:

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Step-by-step explanation:

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If 139 is added to a number, the result is 44 less than four times the number. Find the number. Step 1 of 2: Use the variable x
lorasvet [3.4K]

Answer:

73

Step-by-step explanation:

let the number = X

If 139 is added, it becomes= X +139

the result becomes 44less than four time the number

= 4(39)-44 = 156-44 =112

the set up equation becomes

X +39 = 112

solving for the value of X

X = 112-39

X = 73

4 0
1 year ago
What linear function represents the line given by the point slope equation y+7= 2/3(x+6)?
aleksandrvk [35]

Answer:

The graph of the line in the attached figure

Step-by-step explanation:

we have

y+7=\frac{2}{3}(x+6)

This is the equation of a line into point slope form

The slope is m=\frac{2}{3}

The line pass through the point (-6,-7)

To graph the line find the y-intercept

Remember that

The y-intercept of the line is the value of y when the value of x is equal to zero

so

For x=0

y+7=\frac{2}{3}(0+6)

y+7=\frac{2}{3}(6)

y+7=4

y=4-7=-3

The y-intercept is the point (0,-3)

with the point (-6,-7) and (0,-3) plot the line

see the attached figure

8 0
3 years ago
A ruler is used to measure the width of the spine of a book.
sp2606 [1]

Answer:

1.00 cm Is the greatest level of precision possible for the measurement of the width of the spin of the book

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