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Alinara [238K]
3 years ago
10

Felix is now six times as old as Debbie. In twelve years time Felix will be two times as old as Debbie. How old are they​

Mathematics
1 answer:
Minchanka [31]3 years ago
6 0

Step-by-step explanation:

let debbie be x years

let felix be 6x years

in 12 years felix will be 2x older than debbie

do the calc

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Write the verbal statement as an equation, using x for the variable.
viktelen [127]

Complete question:

<em>Write the verbal statement as an equation using x as a variable. Then solve. 2 more than 3 times a number is 17. </em>

<em />

The required expression is 3x + 2 = 17 and the value of x is 5

Let the unknown number be x

  • 3 times a number is expressed as 3x
  • 2 more than3 times the number is 3x + 2

If the result is equivalent to 17, the required expression will be 3x + 2 = 17

Solve the resulting expression:

3x + 2 = 17

3x = 17 - 2

3x = 15

x = 15/3

x = 5

Hence the required expression is 3x + 2 = 17 and the value of x is 5

learn more here: brainly.com/question/14294864

3 0
3 years ago
Classify the triangle by its​ sides, and then by its angles.
Gekata [30.6K]

Answer:

Equilateral, acute

Step-by-step explanation:

Equilateral triangles have all sides the same length (all sides are 4 ft in this triangle, so it is equilateral).

Acute triangles have no angles that are greater than or equal to 90 degrees (all angles are 60, which is less than 90, so it is acute).

3 0
3 years ago
What is the axis of symmetry of h(x)= 5x^2+40x+ 64?
andrezito [222]

Answer:

Axis of symmetry is  x = -4

Step-by-step explanation:

h(x)= 5x^2+40x+ 64

Use the formula for axis of symmetry:   x = -b/(2a)

Here,  a = 5,  b = 40,  c = 64

so

x = -40/(2*5) = -40/10 = -4

Axis of symmetry is  x = -4

3 0
3 years ago
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Which has the same value as 1 5 tens?
Olenka [21]

The answer would be 150 as each ten bar is si worth 10 and 10x15=150.

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