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yan [13]
2 years ago
8

4.

Mathematics
2 answers:
Fittoniya [83]2 years ago
6 0

Answer:

60

Step-by-step explanation:

200*0.30=60

Multiply the percent's by the total cost.

sesenic [268]2 years ago
4 0

Answer:

$260 the markup is 60

Step-by-step explanation:

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the building manager put new door knobs on 4 doors in each apartment there are 3 apartments on each floor and 3 floors in the ap
barxatty [35]
(4) x (3) x (3)= (12) x (3)= 36
6 0
3 years ago
Which of the following is a factor of both f(x)=x^2-4x-45 and g(x)=x^2-25
wolverine [178]

Answer:

-5

Step-by-step explanation:

x² - 4x - 45 = 0

(x - 9)(x + 5) = 0

x = 9 or -5

x² - 25 = 0

(x + 5)(x - 5) = 0

x = 5 or -5

-5 is a common factor between both of them

8 0
2 years ago
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kicyunya [14]
Meeeeeee lol!!!!!!!!!!!
7 0
3 years ago
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What is the range of the function for the given domain
AleksAgata [21]

Answer:

thethe answer is the 3rd one

8 0
3 years ago
For which value(s) of x will the rational expression below equal zero? Check all that apply.
Ivahew [28]

Answer: D.-6 and F.3

Step-by-step explanation:

The given rational number : \dfrac{(x-3)(x+6)}{(x+7)}

To find : The value of x  , where the  rational expression becomes equal zero.

Let's check all the options :

A. 7

At x= 7  , \dfrac{(7-3)(7+6)}{(7+7)}=\dfrac{26}{7}\neq0

B. -7

At x= 7 ,  \dfrac{(-7-3)(-7+6)}{(-7+7)}=\dfrac{10}{0}=\infty\neq0

C. 6

At x= 6 ,  \dfrac{(6-3)(6+6)}{(6+7)}=\dfrac{36}{13}\neq0

D. -6

At x= -6 , \dfrac{(-6-3)(-6+6)}{(-6+7)}=\dfrac{0}{1}=0

E. -3

At x= -3 ,   \dfrac{(-3-3)(-3+6)}{(-3+7)}=\dfrac{-9}{2}\neq0

F. 3

At x= 3 , \dfrac{(3-3)(3+6)}{(3+7)}=0

Thus, at x= -6 and 3 , the rational expression equals to zero .

So , the correct options are : D.-6 and F.3

8 0
3 years ago
Read 2 more answers
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