3 years ago

Evaluate the function. Given f(x) = x2 - 4x2 - 3x - 5, find f(5).

Mathematics

1 answer:

Simora [160]3 years ago

4 0

Answer:

Step-by-step explanation:

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On a factory floor, 30 out of every 140 toy robots is defective. What percent is defective?

yaroslaw [1]

Answer:

$21.43\%$

Step-by-step explanation:

we know that

To find out the percent of robots which are defective, divided the number of defective robots by the total number of robots and multiply the result by 100

Let

x ----> the number of defective robots

y ----> the total number of robots

p ---> percentage of robots which are defective

$p=\frac{x}{y} (100)$

we have

$x=30\\y=140$

substitute

$p=\frac{30}{140}(100)$

$p=21.43\%$

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4 years ago

Determine the unknown angle measures in the figure

dusya [7]

Answer:

angle 3- 131

angle 2- 112

angle 5- 37

angle 1- 80

angle 4- 80

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3 years ago

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Find the break-even point for the given cost and revenue equations. Round to the nearest whole unit. C = 20n + 134,000 R = 160n

Harman [31]

At break-even C = R so we have:-

20n + 134,000 = 160n

140n = 134,000

answer = 134,000 / 140 = 957

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3 years ago

What is the solution of x+4/2x-1<0

Vikentia [17]

Answer:

$\large\boxed{ -4$

Step-by-step explanation:

$Domain:\ 2x-1\neq0\to x\neq\dfrac{1}{2}$

$\dfrac{x+4}{2x-1}$

$(x+4)(2x-1)=(x)(2x)+....=2x^2+...\to 2>0\\\\\text{therefore the parabola is op}\text{en up}$

$\text{Look at the picture.}$

$\dfrac{x+4}{2x-1}$

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Question 5 of 20

Dmitry_Shevchenko [17]

I’m going to say B I could be wrong

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