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eduard
3 years ago
5

Which answer is an equation in point-slope form for the given point and slope? Point: (1,9); Slope:5

Mathematics
2 answers:
Yuri [45]3 years ago
7 0

The answer is indeed C.

point slope form is: y - y1=m(x - x1)

we substitute the values in; y1= 9; x1=1

and of course, the slope is 5

which gives us

y-9=5(x - 1)

JulijaS [17]3 years ago
5 0
I think ur right dood..lol good luck ;)
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Answer:

(8, -7)

Step-by-step explanation:

well since it flip over the x-axis only, the 8 stays the same, however, the 7 flips completely to the second quadrant and becomes -7.

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Find the area of the equilateral triangle.if its perimeter is 24cm​
mezya [45]

Answer:

16√3 cm²

Step-by-step explanation:

The perimeter of a triangle is the sum of its all three sides. Since this is an equilateral triangle, all sides are equal.

Let's consider one side of the triangle to be 'x'

Givent that, the perimeter is 24cm,

The equation should be x + x + x = 24

⇒3x = 24

∴ x = 8 cm

To find the area of the triangle, we need to find the height, and for that, we can use trigonometry.

Since it is an equilateral triangle, all angles are exact 60°.

let's draw a line and mark it as 'h'.

we can use sine formula to find out the opposite i.e. h

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sin 60° = h ÷ 8

h = 8 sin 60°

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Now, let's find the area

Area = 1/2 × base × height

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7 0
3 years ago
When given a system 2 or more equations, the number of solutions to the system is
NARA [144]
More important maybe
7 0
3 years ago
-3 + 9 ( 102 - 4 ) (simplify)
daser333 [38]

Answer: 879

Step-by-step explanation:

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So we do the parenthesis first (102 - 4)

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Next we multiply 9 and 98

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Lastly we add -3 and 882

879

4 0
3 years ago
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