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krek1111 [17]
4 years ago
14

What is the ordered pair to y=3x

Mathematics
1 answer:
GrogVix [38]4 years ago
7 0
This is just a line there are infinitely many solutions or points...for every value of x there is a value for y which is three times x.  Pick any x solve for y and that is one of the infinite number of ordered pairs produced by the equation.

y=3x  (0,0),(1,3),(2,6),(3,9).....................
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B because its the nearest to a whole

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8. Oscar charges $25 for the first hour of tutoring and $15 for each additional hour or fraction of an hour. The rates that Lato
exis [7]

Answer:

a.  Oscar charges more to tutor for 5.5 hours than Latoya.

b. Oscar charges more by a difference of $1.00 for tutoring 5.5 hours.

Step-by-step explanation:

Charges by Oscar:

1st hour of tutoring = $25

Additional hour or fraction = $15

For tutoring for 5.5 hours, Oscar charges:

1st hour of tutoring = $25

4.5 hours of additional tutoring = $75 ($15 * 5)

Total charges = $100

Charges by Latoya:

= 30x, 0.6, where x = hours of tutoring

Total charges = 30 * 5.5 * 0.6 = $99

Therefore, Oscar charges more for tutoring 5.5 hours than Latoya by $1 ($100 - $99).

3 0
3 years ago
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Olenka [21]
The answer to the question is 68.78.
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3 years ago
Area of a triangle is given by the formula Upper A equals one half bh A= 1 2 bh. The area of the triangle shown to the right is
ELEN [110]

Given:

  • A=120\ un.^2;
  • \text{height}=x+5\ un.;
  • \text{base}=3x+9\ un.

Find: height and base.

Solution: Use given formula for the area:

 A=\dfrac{1}{2}\cdot \text{base}\cdot \text{height}.

Substitute \text{height}=x+5,  \text{base}=3x+9 and solve the equation:

120=\dfrac{1}{2}\cdot (3x+9)\cdot(x+5),\\ \\80=(x+3)(x+5),\\ \\x^2+3x+5x+15-80=0,\\ \\x^2+8x-65=0,\\ \\D=8^2-4\cdot (-65)=64+260=324,\\ \\x_1=\dfrac{-8-18}{2}=-13,\ x_2=\dfrac{-8+18}{2}=5

Solution x_1=-13 is extra, because then height and base have negative lengths.

When x_2=5,

  • \text{height}=x+5=5+5=10\ un.;
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3 0
3 years ago
Help me please thank you
Scorpion4ik [409]

Answer:

Domain : { x| x≥3}

Step-by-step explanation:

The domain is the input values ( the x values)

X starts at 3 and goes to infinity

Domain : { x| x≥3}

7 0
3 years ago
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