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laila [671]
3 years ago
7

Please help I will give the correct answer brainliest

Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0

Answer:

GH: 3

----------

x: 4

y: 6

---------

x: 7

y; 10

----------

x; 20

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seropon [69]
Complementary angles add up to 90°. The complement of a 27° angle is 90°-27°= 63°.


Supplementary angles add up to 180°. The supplement of a 27° angle is 180°-27°=153°
3 0
4 years ago
At a basketball game, an air cannon launches T-shirts into the crowd. The function y=−1/8x^2 + 4x represents the path of a T-shi
Juliette [100K]

Answer:

The T-shirt lands in the bleachers at a height of 14 feet.

Step-by-step explanation:

The point where they meet is the solution of the simultaneous system of equations:

y = -\frac{1}{8}x^2+4x...........................................(1)

3y = 2x - 14..............................................(2)

From (2),

y = \frac{2}{3}x-\frac{14}{3}.................................................(3)

Substituting (3) in (1),

\frac{2}{3}x-\frac{14}{3} =  -\frac{1}{8}x^2+4x

Multiply through by 24 (the LCM of 3 and 8, the denominators of the fractions)

(24\times\frac{2}{3}x)-(24\times\frac{14}{3}) =  (-24\times \frac{1}{8}x^2)+(24\times4x)

16x - 112 = -3x^2+96x

3x^2-80x -112 = 0

(x-28)(3x+4) = 0

x-28 = 0                 OR        3x+4=0

x=28                       OR        x = -\frac{4}{3}

The value of <em>y</em> represents the height.

Substituting for <em>x</em> in (3)

y = \frac{2}{3}\times28-\frac{14}{3} = \frac{56}{3} - \frac{14}{3} = 14

y = \frac{2}{3}\times(-\frac{4}{3})-\frac{14}{3} = -\frac{8}{9} - \frac{14}{3} = -\frac{50}{9}

We discard the negative answer.

Hence, the T-shirt lands in the bleachers at a height of 14 feet.

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3 years ago
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anzhelika [568]
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So the first number would be 9.25*10^-4. You can figure out the power by just moving the decimal over and count until the number is between 1 and 10
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4 years ago
3+ (5+4)= 3+ (4+5) illustrates which property? A.Commutative property of multiplication. B. dentity property of addition Associa
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Answer:

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Step-by-step explanation:

Commutative property means that you can switch around the numbers, and get the same answer. However, the commutative property is only compatible for addition and multiplication. I.e. 2+6 equals 6+2, but 2-6 does not equal 6-2.

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