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andrey2020 [161]

3 years ago

8

80% of what(?) games is 32 games..?

2 answers:

vlabodo [156]3 years ago

4 0

Answer:40 games hope it helps!

Step-by-step explanation:

exis [7]3 years ago

3 0

Answer=40 games

32games x games
________=________
80% 100%

Cross Multiply
80x=3200
divide both sides by 80
x=40games

80% of 40games is 32 games

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Which is greater: 5 yards or 150 inches?

il63 [147K]

Answer:

5 yards.

Step-by-step explanation:

5 yards = 180 inches

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For all functions of the form f(x) = ax2 + bx + c, which is true when b = 0?

Klio2033 [76]

When b=0
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test each
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answer is C

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3 years ago

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Given the following three points, find by the hand the quadratic function they represent (0,6, (2,16, (3,33)

Lisa [10]

Answer:

$f(x) = 4x^2 - 3x + 6$

Step-by-step explanation:

Quadratic function is given as $f(x) = ax^2 + bx + c$

Let's find a, b and c:

Substituting (0, 6):

$6 = a(0)^2 + b(0) + c$

$6 = 0 + 0 + c$

$c = 6$

Now that we know the value of c, let's derive 2 system of equations we would use to solve for a and b simultaneously as follows.

Substituting (2, 16), and c = 6

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$10 = 4a + 2b$

$10 = 2(2a + b)$

$\frac{10}{2} = \frac{2(2a + b)}{2}$

$5 = 2a + b$

$2a + b = 5$ => (Equation 1)

Substituting (3, 33), and c = 6

$f(x) = ax^2 + bx + x$

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$27 = 3(3a + b)$

$\frac{27}{3} = \frac{3(3a + b)}{3}$

$9 = 3a + b$

$3a + b = 9$ => (Equation 2)

Subtract equation 1 from equation 2 to solve simultaneously for a and b.

$3a + b = 9$

$2a + b = 5$

$a = 4$

Replace a with 4 in equation 2.

$2a + b = 5$

$2(4) + b = 5$

$8 + b = 5$

$8 + b - 8 = 5 - 8$

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The quadratic function that represents the given 3 points would be as follows:

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2 years ago

What percentage is equal to 2/5?

nikdorinn [45]

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2 years ago

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