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nikdorinn [45]
3 years ago
15

there are 165 different plants in the school garden.of these ,132 will flower in spring.what percent of the plants will flower i

n spring
Mathematics
1 answer:
just olya [345]3 years ago
7 0

Answer:

132 is what percent of 165? = 80.

Step-by-step explanation:

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Which statement best describes how to determine whether f(x) = 9 – 4x2 is an odd function?
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For this case we have the following definitions:


A function is even if, for each x in the domain of f, f (- x) = f (x). The even functions have reflective symmetry through the y-axis.


A function is odd if, for each x in the domain of f, f (- x) = - f (x). The odd functions have rotational symmetry of 180º with respect to the origin.


We then have the following function:

f (x) = 9 - 4x ^ 2


Applying the definitions we have:

f (-x) = 9 - 4 (-x) ^ 2\\f (-x) = 9 - 4 (x) ^ 2\\f (-x) = f (x)


Answer:

The function is not odd because it is fulfilled:

f (-x) = f (x)

Therefore, the function is even.

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3 years ago
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garik1379 [7]

A system is inconsistent when there are no solutions between the two equations. Graphically, the lines will be parallel (they never meet!) and the slopes will be the same. But the y-intercepts will be different.

Let's look at the four equations, with each solved as needed, into y = mx + b form.

A: 2x + y = 5

y = 5 - 2x

y = -2x + 5

Compared to y = 2x + 5, the slopes are different, so this system won't be inconsistent. Not a good choice.

B: y = 2x + 5

Compared to y = 2x + 5, the slopes are the same and the y intercepts are the same. This system has infinitely many solutions. Not a good choice.

C: 2x - 4y = 10

-4y = 10 - 2x

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Here the slopes are different, so, like A this is not a good choice.

D: 2y - 4x = -10

2y = =10 + 4x

2y = 4x - 10

y = 2x - 5

Compared to y = 2x + 5 we have the same slopes and different y intercepts.  The lines will be parallel and the system is inconsistent.


Thus, D is the best choice.

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3 years ago
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Which fraction is larger than 1/2?<br> 2/3 0r 2/4 or 2/5
nalin [4]
2/3 is the correct answer because it’s bigger then a half
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Aleonysh [2.5K]
<span>Together with triangles, circles comprise most of the GMAT Geometry problems.

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3 years ago
Tell me everything I need to know and please work out the problems
ankoles [38]

Answer:

okay so the first one ull need to kno pemdas so start with the perenthesis (5^2-10) and then the exponent 2^3 and multyply thats by 5 and what ever answer u got in the perenthisis u divide by what u got with the second side of the problem

Step-by-step explanation:

if u need more help ill tutor u on it :)

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