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shusha [124]
1 year ago
15

A line k passes through the points ​(−5​,−5​) and ​(1,37​). A second line h passes through the points ​(−3​,−33​) and ​(3​,9​).

Is line k parallel to line​ h? Why or why​ not?
Mathematics
1 answer:
Archy [21]1 year ago
4 0

line k and second line h are not parallel lines because the have different slopes.

<h3>What is the Point-slope form?</h3>

The equation of the straight line has its slope and given point.

If we have a non-vertical line that passes through any point(x1, y1) and has a gradient m. then general point (x, y) must satisfy the equation

y-y₁ = m(x-x₁)

Where x₁ - x coordinate

y₁ - y coordinate

m - slope

A line k passes through the points ​(−5​,−5​) and ​(1,37​).

Then Slope m = 37 + 5/ 1 + 5

m = 7

Now Write the equation as;

y + 5 = 7(x + 5)

y = 7x + 30

A second line h passes through the points ​(−3​,−33​) and ​(3​,9​).

Then Slope m = 9 + 3/ 3 + 33

m = 0.33

Now Write the equation as;

y + 33 = 0.33(x + 3)

Hence, line k and second line h are not parallel lines because the have different slopes.

Learn more about equations here;

brainly.com/question/25180086

#SPJ1

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AC=22,BC=x+14, and AB=x+10 find x
Elena-2011 [213]

Answer:

AB + BC = AC                 Segment Addition Postulate

(x + 10) + (x + 14) = 22     Substitution

2x + 24 = 22                   Simplify (added like terms)

2x = -2                            Subtraction Property of Equality

x = -1                               Divison Property of Equality

Answer: x = -1

Step-by-step explanation:

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3 years ago
The function f(x) is shown on the graph.
Sergeeva-Olga [200]

Answer: 12 only

Step-by-step explanation:

The given graph is representing the function f(x).

To find the value of f(0), we need to check the position of curve at x=0.

It implies we need to check the position of curve on y-axis.

We can see there is only one point where function curve is intersection the y-axis such that at x=0 .i.e. y=12

Hence, from the given graph the value of f(0)=12 only.

4 0
3 years ago
Read 2 more answers
Help!! For this question I got 254.34 as my final answer but when I checked my answer it told me I was wrong?
Ugo [173]

Answer:

a = 254.5 mm² ( if using accurate value of π)

a = 254.4 mm² (if using 3.14 as approximate value of π)

Step-by-step explanation:

a = πr²

a = π * 9²

a = π * 81

(note using π = 3.1415926536)

a = 254.4690049408

Rounded

a = 254.5 mm²

(a = 254.4 If using π = 3.14)

5 0
3 years ago
Explain area of 2D figures, surface area &amp; volume of 3D figures.
igomit [66]

Answer:

Step-by-step explanation:

Area of any <u>2D</u> shape is the size of the region enclosed within it

Surface area is the sum of the areas of all faces (or surfaces) on a <u>3D</u> shape.

Volume is the amount of space in a certain <u>3D</u> object

4 0
4 years ago
A boat’s sail is a right triangle. The length of one side of the sail is 7 feet more than the other side. The hypotenuse is 13 f
Svetach [21]

Answer: the other two sides are 5 feet and 12 feet

Step-by-step explanation:

Length of one side be x , that means the other side is x + 7

by Pythagoras theorem:

x^{2} + (x+7)^{2} = 13^{2}

expanding , we have:

x^{2} + x^{2}+ 14x + 49 = 169

2x^{2} + 14x + 49 - 169 = 0

2x^{2}  + 14x - 120 = 0

divide through by 2 , we have

x^{2}+ 7x - 60 = 0

By factorizing , we have

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Therefore:

x = 5 or x = -12

Since , the side can not be negative , so

x = 5

That means the other side will be 5+ 7 = 12

8 0
4 years ago
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