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vlada-n [284]
3 years ago
7

0.03 is 1/10 of what? Thanks

Mathematics
2 answers:
lubasha [3.4K]3 years ago
4 0
I think it's 30! Hope it helps!
Ilia_Sergeevich [38]3 years ago
4 0
0.0003 hope it helps if not then sorry I'm not familiar with this stuff
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If a set contains 15 proper subsets then number of elements in that set​
Sav [38]

Answer

32,768

Step-by-step explanation:

3 0
2 years ago
HELP ! How do I graph y ≤1−3x
Zanzabum

Answer:

Step-by-step explanation:

\Select two x x values, and plug them into the equation to find the corresponding y y values.

8 0
2 years ago
5. Find the value(s) of x so that the line containing the points (2x + 3, x + 2) and (0, 2) is
Dvinal [7]

Answer:

  x = -2 or -9

Step-by-step explanation:

You want the values of x such that the line defined by the two points (2x+3, x+2) and (0, 2) is perpendicular to the line defined by the two points (x+2, -3-3x) and (8, -1).

<h3>Slope</h3>

The slope of a line is given by the slope formula:

  m = (y2 -y1)/(x2 -x1)

Using the formula, the slopes of the two lines are ...

  m1 = (2 -(x+2))/(0 -(2x+3)) = (-x)/(-2x-3) = x/(2x +3)

and

  m2 = (-1 -(-3-3x))/(8 -(x+2)) = (2+3x)/(6 -x)

<h3>Perpendicular lines</h3>

The slopes of perpendicular lines have product of -1:

  \dfrac{x}{2x+3}\cdot\dfrac{2+3x}{6-x}=-1\\\\x(3x+2)=(2x+3)(x-6)\qquad\text{multiply by $(2x+3)(6-x)$}\\\\3x^2+2x=2x^2-9x-18\qquad\text{eliminate parentheses}\\\\x^2+11x+18=0\qquad\text{put in standard form}\\\\(x+2)(x+9)=0\qquad\text{factor}

<h3>Solutions</h3>

The values of x that satisfy this equation are x = -2 and x = -9. The attached graphs show the lines for each of these cases.

4 0
1 year ago
The brackets for a shelf are in the shape of a triangle. Find the angles of the triangle if the
zimovet [89]

Answer:

Step-by-step explanation:

2x+3x+5x = 180°

x = 18°

Angles: 36°, 54°, 90°

6 0
3 years ago
I need help with this!
timurjin [86]

Answer:

a=11

Step-by-step explanation:

Let's solve your equation step-by-step.

√a+5=4

Solve Square Root.

√a+5=4

a+5=42(Square both sides)

a+5=16

a+5−5=16−5(Subtract 5 from both sides)

a=11

Check answers. (Plug them in to make sure they work.)

a=11(Works in original equation)

8 0
2 years ago
Read 2 more answers
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