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Misha Larkins [42]
3 years ago
14

3(x-1)=2x+5 what is the solution

Mathematics
2 answers:
ser-zykov [4K]3 years ago
6 0
3(x-1)=2x+5
3x-3=2x+5
3x-2x=3+5
x=8
ad-work [718]3 years ago
3 0
<span>3(x-1)=2x+5
3x - 3 = 2x + 5
-2x       -2x

x - 3 = 5
    +3    +3

x = 8

Answer would be: The solution to this equation is x = 8

</span>
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For each pair of points below, think about the line that joins them. For which pairs is the line parallel to the y-axis? Circle
gogolik [260]

Answer:

Option B.

Step-by-step explanation:

If two lines are parallel then their slopes are always same.

Following this rule we can find the slope by the given pairs of coordinates of the options.

If the slope of the line is same as the slope of y axis then the line passing through these points will be parallel to the y axis.

Slope of y - axis = ∞

Option A). Slope = \frac{y-y'}{x-x'}

                            =  \frac{24-8.5}{3.22-3.2}

                            = \frac{15.5}{0.02}

                            = 775

Therefore, line passing through points (3.2, 8.5) and (3.22, 24) is not parallel to y axis.

Option B). Slope of the line passing through (\frac{40}{3},\frac{14}{3}) and (\frac{40}{3},7) will be

= \frac{\frac{14}{3}-7}{\frac{40}{3}-\frac{40}{3}}

= ∞

Therefore, line passing though these points is parallel to the y axis.

Option C). Slope of the line passing through (2.9,5.4) and (7.2, 5.4)

= \frac{5.4-5.4}{7.2-2.9}

= 0

Therefore, slope of this line is not equal to the slope of y axis.

Option B. is the answer.

5 0
3 years ago
I NEED HELP FAST! Find the measure of the missing angles.
loris [4]

Angle G = 130 degrees

Angle H = 50 degrees

Angle K = 74 degrees

Angle M = 106 degrees

<u>Angle G would be 130 degrees</u> because it's a vertical angle, and vertical angles are always alike.

<u>Angle H would be 50 degrees</u> because it's an adjacent angle, and we also know that one side of the line is always 180 degrees so we have an equation that looks like this 180 - 130 = 50 degrees

<u>Angle K would be 74 degrees</u> because it's a vertical angle.

<u>Angle M would be 106 degrees</u> because it's an adjacent angle.

7 0
2 years ago
How many people like 2 kinds of dancing but not all 3 kinds of dancing?
marshall27 [118]

Answer:

38 people

Step-by-step explanation:

add 11, 18, and 9 together

5 0
2 years ago
Type the correct answer in each box.
Fittoniya [83]

the answer would be 2.5

8 0
2 years ago
Read 2 more answers
SPECIAL PRODUCTS- PERFECT SQUARE TRINOMIALS <br> 1. (2x - y)(4x2 + 2xy + y2) <br> Anyone know??
Ad libitum [116K]

(2x - y)(4x2 + 2xy + y2) =

8x3 + 4x2y + 2xy2 - 4xy2 - 2xy2 - y3 (combine and simplify like terms)

= 8x3 - y3

8 0
2 years ago
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