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Solnce55 [7]
3 years ago
11

Using the diagram what is x

Mathematics
1 answer:
AveGali [126]3 years ago
6 0
AC is perpendicular to BD
so
3x + 9 = 90
3x = 81
x = 27

answer
x = 27

---------------------------------------
in case if you need to find y
2x + y = 90
2(27) + y = 90
54 + y = 90
y = 90 - 54
y = 36


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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). A construction
charle [14.2K]

Answer:

y=\frac{11}{20}x+6

Step-by-step explanation:

Given:

Two points are given

x = number of minutes

y = length of the lin

(x_{1},y_{1} ) ⇒ (0, 6)

(x_{2},y_{2} ) ⇒ (20, 17)

We need to find the equation that represents the relationship between x, y.

Solution:

Using slope formula to find the slope of the equation of the line.

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Substitute (x_{1},y_{1} ) = (0, 6) and (x_{2},y_{2} ) = (20, 17) in above equation.

m=\frac{17-6}{20-0}\\m=\frac{11}{20}

So, slope of the line m = \frac{11}{20}

Using point slope formula.

(y-y_{1})=m(x-x_{1}) ------------(1)

Where, m = slope of the line

Substitute (x_{1},y_{1} ) ⇒ (0, 6) and m = \frac{11}{20} in equation 1.

(y-6)=\frac{11}{20} (x-0)

y-6=\frac{11}{20}x

Add 6 both side of the equation.

y-6+6=\frac{11}{20}x+6

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Therefore, the equation that represents the relationship between x and y is written as:

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4 years ago
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Step-by-step explanation:

6 0
3 years ago
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sertanlavr [38]


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Hope it helps!

Think about what I gave you!:D

7 0
4 years ago
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Step-by-step explanation:

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Your answer would be 2.

6 0
3 years ago
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