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Damm [24]
3 years ago
10

-9x^5 + 36x^4 + 189x^3 in factored form

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0

Answer:

-9x^5(x+3)(x-7)

Step-by-step explanation:

factor out -9x^3 from the expression

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80% bc 20/25 equals 4/5 and 4/5 equals x/100 and when you do that math it equals 80%
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Solve the question on the image ​
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2 years ago
A rectangular plot of farmland will be bounded on one side by a river and on the other three sides by a single-strand electric f
likoan [24]

Step-by-step explanation:

Let x be the length and y be the width of the rectangular plot.

The plot is bounded on one side by a river and on the other three sides by a single-strand electric fence. It means,

x+2y = 1500

x = 1500 - 2y ....(1)

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A = xy ....(2)

Put the value of x from equation (1) in (2)

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For largest area, differentiate above area equation wrt y.

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Put the value of y in equation (1).

x = 1500-2(375)

= 750 m

Put the value of y in equation (3).

A =1500(375)-2(375)^2\\A=281250\ m^2

Hence, the largest area is 281250 m² and its dimensions are 750 m and 375 m.

3 0
3 years ago
Please help, i forgot which was which... (positive or negative coefficient)
Vesna [10]
<h3>Answer:  Negative</h3>

Reason:

The template y = ax^2+bx+c applies to any quadratic to graph out a parabola. The coefficient for the x^2 term is 'a', and it solely determines whether the parabola opens upward or downward.

If 'a' is negative, then the parabola opens downward. The way to remember this is that 'a' being negative forms a negative frown.

On the other hand if 'a' is positive, then it forms a positive smile, and the parabola opens upward.

In this case, the points are fairly close to a parabola opening downward. This means 'a' is negative and a < 0.

8 0
2 years ago
Which of the following is an example of a quadratic equation?
lyudmila [28]

its b

Step-by-step explanation:

6 0
3 years ago
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