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cestrela7 [59]
3 years ago
11

Please help!! I will brainlest your right answer please!!! I am stuck very badly!! Please

Mathematics
2 answers:
creativ13 [48]3 years ago
4 0

Answer:

See below.

Step-by-step explanation:

2a. E = 8.25h + 1.2n

2b. E = 8.25 * 3.5 + 1.2 * 10 = $40.88

2c. 8.25 * 8 + 1.2n = 91.2

66 + 1.2n = 91.2

1.2n = 25.2

n = 21 magazines.

Drupady [299]3 years ago
4 0

Answer:

In picture

Step-by-step explanation:

Please give brainliest if it helped, thanks!

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Rewrite the quadratic function f(x) = (2x -3)(x+4) in standard form
jasenka [17]

Answer:

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Step-by-step explanation:

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3 years ago
Write a cubic function whose graph goes through the points: (-5, 0) (1, 0) (2, -2) (4, 0)
Free_Kalibri [48]

Answer:

f(x) = \frac{1}{7}(x+5)(x-1)(x-4)

Step-by-step explanation:

Let the equation of the give cubic function is,

f(x) = p(x - a)(x - b)(x - c)

Here, a, b, c and d are the x-intercepts of the given graph.

Since, x-intercepts given in the graph are x = -5, 1 and 4,

Equation of the curve will be,

f(x) = p(x + 5)(x - 1)(x - 4)

Since, the graph of this function passes through (2, -2) also

-2 = p(2 + 5)(2 - 1)(2 - 4)

-2 = -p(14)

p = \frac{2}{14}

p = \frac{1}{7}

Therefore, equation will be,

f(x) = \frac{1}{7}(x+5)(x-1)(x-4)

5 0
3 years ago
Pls help will mark brainliest!!!!!!
Zina [86]
A. figure ABCD is similar to figure A'B'C'D'
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3 years ago
Read 2 more answers
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Total distance = 200 miles

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Time needed for the second 100 miles
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Average speed = 200 ÷ 4.5 hours = 44.4 miles per hour
3 0
3 years ago
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