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Evgesh-ka [11]
3 years ago
8

I need help finding the value of the variables in each figure and explaining my reasoning. ​

Mathematics
1 answer:
geniusboy [140]3 years ago
3 0

Answer:

x=14 and  y=37

Step-by-step explanation:

9x+12+3x=180

12x=168

x= 14

4y-10+42=180

4y=148

y=37

MARK BRAINLIEST PLEASE

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Answer:

<h2><em>(3,6)</em></h2>

Step-by-step explanation:

Given two coordinates (x₁,x₂) and (y₁,y₂), their midpoint (w,y) is expressed as:

M(X,Y) = (\dfrac{x_1+w}{2},  \dfrac{y_1+y}{2})

From the question, we are given the midpoint (X,Y) to be (2,2) and one endpoint as (1, -2) and we are to find the other end point expressed as (w,y). From the coordinates given, i can be seen that X = 2, Y =2, x₁ = 1 and y₁ = -2

Substituting the given end points into the given formula to get the other end points, we will have;

X = \dfrac{x_1+w}{2} \\2 =  \dfrac{1+w}{2} \\cross\ multiply\\4 = 1+w\\w = 4-1\\w = 3

Similarly;

Y = \dfrac{y_1+y}{2} \\2 =  \dfrac{-2+y}{2} \\cross\ multiply\\4 = -2+y\\y = 4+2\\y = 6

<em>Hence the other endpoint (w, y) is (3,6)</em>

8 0
3 years ago
Find a polar equation for the curve represented by the given cartesian equation. X2 + y2 = 2cx
Tanzania [10]
Hi,


Work:

Equation;

x2 + y2 = 2cx

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Use commutative property to reorder yc.

2x \times (1 + cy) \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: result


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r3t40
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Answer:

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