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solmaris [256]
3 years ago
6

What is the value of x in the figure ?

Mathematics
2 answers:
bekas [8.4K]3 years ago
5 0
You’d have to take the equation and set it equal to 145. So 2x+15=145 and solve it.
2x=130
x=65
morpeh [17]3 years ago
3 0

Step-by-step explanation:

2x+15= 145°

( vertically opposite angles)

2x=145-15 = 130

x =  \frac{130}{2}

x = 65

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Solve In standard form y+1=2/3(×+4)
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Standard form is another way of saying slope-intercept form. The equation you have there is in point-slope form, so we must convert this to slope-intercept form to get our final answer.

In point-slope form (y - k = m(x - h)) k is the y-value, h is the x-value, and m is the slope. All we must do is change your equation's form into standard form, or slope-intercept form which looks like this: (y = mx + b), where m is the slope and b is the y-intercept.

Convert this equation y + 1 = 2/3(x + 4) into standard/slope-intercept form.
y + 1 = 2/3(x + 4)
y + 1 = 2/3x + 2.666 Here we multiplied 2/3 by x and 4 since x + 4 is in parenthesis next to 2/3.
y + 1 - 1 = 2/3x + 2 2/3 - 1 Now we want to get y by itself so the form will look like y = mx + b, so we subtract the 1 from both sides of the equation. (2 2/3 is a mixed fraction that is equal to 2/3*4.)
y = 2/3x + 1 2/3

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8 0
3 years ago
Find the mode of the following data<br> Stem: 2,3,4,5<br> Leaves: 8,1,1,6,0,2,4,3,5
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the definition of a perpendicular bisector

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4 0
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