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Lelechka [254]
4 years ago
9

4x(3x+8y)-7y(5x-1) simplify

Mathematics
1 answer:
Alex Ar [27]4 years ago
8 0
4x(3x + 8) - 7y(5x - 1) =
12x^2 + 32x - 35xy + 7y
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The answer should be A
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On a map the distance from Fort Collins to Cheyenne is 3.2 inches. The angle formed at Laramie has measure 43.6º, and the angle
MArishka [77]
We can solve this by drawing a triangle with three points. The first point at Fort Collins (F), the second at Cheyenne (C) and the third at Laramie (L).

The angle at F = 46.5, the angle at L = 43.6. We know the side opposite angle L = 3.2 (side FC), now we must solve for the side opposite angle F (side LC).

We can use the law of sines to solve this where:

sinA/a = sinB/b
sin43.6/ 3.2 = sin46.5/LC
LC = 3.2 (sin46.5/sin43.6)
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We are told 1 in = 10.6 miles, therefore:

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7 0
3 years ago
What are the solution(s) to the quadratic equation 9x^2=4?
Irina18 [472]

Answer:

x = 2/3 or x = -2/3

Step-by-step explanation:

Solve for x over the real numbers:

9 x^2 = 4

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides by 9:

x^2 = 4/9

Hint: | Eliminate the exponent on the left-hand side.

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4 years ago
What is the value of the expression?
melisa1 [442]

Answer:

2/0 or infinity

Step-by-step explanation:

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3 years ago
Helppppp me I am stuck help me plzz
soldi70 [24.7K]

Answer:

espero sirva qwq

Step-by-step explanation:

4= 0.56666666666

5=1.66666666667

6=1.375

7=1.425

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9=1.666666667

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11=0.825

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3 years ago
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