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3 years ago

Find the missing length indicated.

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

5 0

Answer:

x = 15

Step-by-step explanation:

From the above diagram, we can see that the right angled triangle has been split into two by drawing a line from the altitude.

This would really in the following ratios or proportions below

25 : x = x : 9

25/x = x/9

Cross Multiply

x² = 25 × 9

x² = 225

x = √225

x = 15

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3 years ago

Read 2 more answers

2. If (300) (30,000) = 9 x 10m, then m =

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2 years ago

Is this a quadratic function 2x+13=13

lys-0071 [83]

Answer:

Step-by-step explanation:

Simplifying

2x + 13 = 0

Reorder the terms:

13 + 2x = 0

Solving

13 + 2x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13' to each side of the equation.

13 + -13 + 2x = 0 + -13

Combine like terms: 13 + -13 = 0

0 + 2x = 0 + -13

2x = 0 + -13

Combine like terms: 0 + -13 = -13

2x = -13

Divide each side by '2'.

x = -6.5

Simplifying

x = -6.5

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2 years ago