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kherson [118]
3 years ago
11

Please help. I will mark you as brainliest !

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

Answer:

x \times x + x \times 4 + x \times x + x \times 1 - 3 \times x + 3 \times 4 + 3 \times x + 3 \times 1

gregori [183]3 years ago
6 0

Answer:

D. (x-3)(x-3)(x-1)

Step-by-step explanation:

(x³-7x²+15x-9)/(x-3) = x²-4x+3<em> (see attached)</em>

x²-4x+3=(x-1)(x-3) <em>(factorisation)</em>

∴x³-7x²+15x-9=(x-3)(x-3)(x-1)

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(a) The parametric equations x = f(t) and y = g(t) give the coordinates of a point (x, y) = (f(t), g(t)) for appropriate values
Gnesinka [82]

Answer:

Step-by-step explanation:

a). Given a parametric equation, we are describing a set of coordinates based on the value of t. The variable t is called the parameter.

b) we have the following equations. x=t y=t^2, so in order for us to know where the object is at t=t' we must replace t with the specific value t'. Hence, when t=0 the object is at (0,0^2) = (0,0) (the origin). When t=6, the object is at (6,6^2) = (6,36).

c). To eliminate the parameter, we replace the parameter in one equation by using the second equation. Recall that we have that x=t. Then, by replacing in the second equation, we have the following

y=t^2 = (x)^2 = x^2

where x\geq 0

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3 years ago
What decimal number is about equal to 1/6?​
baherus [9]

Answer:

Step-by-step explanation: 0.16

6 0
2 years ago
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-7 2/3 + (-5 1/2 ) + 8 3/4
Tanzania [10]

Answer:131/12

Step-by-step explanation:

-7 2/3 -5 1/2 +8 3/4 = 23/3 - 11/2 + 35/4 = 92/12 -66/12 +105/12 = 131/12

5 0
3 years ago
Change 1.4 to a fraction.
kifflom [539]

1.4 as a fraction is 1 4/10 (simplified to 1 2/5).

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3 years ago
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Aki's Bicycle Designs has determined that when x hundred bicycles are​ built, the average cost per bicycle is given by​ C(x)equa
Alenkinab [10]

Answer:

20 Bicycles

Step-by-step explanation:

The function for the average cost,C(x) [in hundred of dollars] per bicycle whenever x hundred bicycles are built is given as:

C(x)=0.5x^2-0.2x+6.756

The minimum value of C occurs at the axis of symmetry.

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Comparing with the standard form of a quadratic equation ax^2+bx+c=0

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x=-\frac{(-0.2)}{2*0.5}\\x=0.2

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When Aki's Bicycle Designs produces 20 Bicycles, the cost is minimized.

5 0
3 years ago
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