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3 years ago

I dont know how to find the answer

Mathematics

1 answer:

sleet_krkn [62]3 years ago

4 0

Answer:

a rotation followed by a translation

Step-by-step explanation:

i took the class last trimester

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Suppose a publishing company estimates that its monthly cost is C(x) = 600{x^2} + 300xC(x)=600x 2 +300x and its monthly revenue

Leto [7]

Answer:

the answer is A,

P(x) = -0.4x³+100x²-900x+500

Step-by-step explanation:

monthly cost:

$c(x) = 600x {}^{2} + 300x$

monthly revenue:

$r(x) = - 0.4 {}^{3} + 700x {}^{2} - 600x + 500$

profit function:

$p(x) = r(x) - c(x)$

$p(x) = ( - 0.4x {}^{3} + 700 {x}^{2} - 600x + 500) - (600x {}^{2} + 300x)$

i) remove the first bracket

$p(x) = - 0.4x {}^{3} + 700x {}^{2} - 600x + 500 - (600 {x}^{2} + 300x)$

ii) there is a negative sign, '-' in front of the second bracket. so, change the sign of each term of the expression inside the bracket

$p(x) = - 0.4x {}^{3} + 700 {x}^{2} - 600x + 500 - 600x {}^{2} - 300x$

iii) collect like terms

$p(x) = - 0.4x {}^{3} + 700 {x}^{2} - 600 {x}^{2} - 600x - 300x + 500$

iv) simply the like terms

$p(x) = - 0. 4{x}^{3} + 100 {x}^{2} - 900x + 500$

6 0

3 years ago

The price of a scooter was 65000 last year now it is 68000 find the percent increase

vesna_86 [32]

Answer:

(68000-65000)/68000 x100

3000/6800 x 100

4.61538%

3 0

3 years ago

Y = -2x - 4<br> y = 4x + 2

adoni [48]

The value of x and y in the given equation is determined -1 and -2 respectively.

<h3>Value of x and y</h3>

The value of x and y can be determined by solving the two equations simultaneously.

y = -2x - 4 ----- (1)

y = 4x + 2 ----- (2)

solve (1) and (2) together

-2x - 4 = 4x + 2

-6x = 6

x = -1

y = 4(-1) + 2

y = -4 + 2

y = -2

Learn more about equations here: brainly.com/question/2972832

#SPJ1

6 0

2 years ago

Which angles are corresponding angles?

Ratling [72]

Answer:

lmj and ijh

Step-by-step explanation:

8 0

3 years ago

Find the area of the shaded region

MAVERICK [17]

Answer:

197.77

Step-by-step explanation:

Area of circle: A=pi r^2

A= pi 9^2

A= 81 pi

only half of the circle so 40.5

Area of a Square: L x W

18 x 18 = 324

324 - 40.5pi = 197.77

5 0

3 years ago