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garik1379 [7]
3 years ago
6

- 2x+y=2 x+6y=-21 A) ( 34) D) (-3, 4). (-1.4) B) (3.2)

Mathematics
1 answer:
anzhelika [568]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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10) There are 144 seats for a concert at your school Twenty-eight of those seats will be taken up by the teachers. If each band
Korvikt [17]
Each band member would get 4 tickets.
144-28=116
116/29=4
8 0
3 years ago
The manufacturer of a weight-training bench spends $15 to build each bench and sells them for $32. The manufacturer also has fix
nasty-shy [4]

Answer:

Step-by-step explanation:

C(x) = 15x + 25,500....cost function

R(x) = 32x .....revenue function

break even point (when they are equal)....so set them equal and solve for x

15x + 25,500 = 32x

25,500 = 32x - 15x

25,500 = 17x

25,500 / 17 = x

1500 = x.......so the break even point is when 1500 benches are sold

15x + 25,500 =                                   32x =

15(1500) + 25,500                              32(1500) =

22,500 + 25,500                                48,000

48,000

and after selling 1500 benches, they will both equal $48,000

7 0
3 years ago
Help please i have no idea how to do slope intercept form ​
OverLord2011 [107]

Answer:

y=x+4

Step-by-step explanation:

from the graph

7 0
2 years ago
90% of a number is x . What is 100% of the number? Assume x>0
mariarad [96]

Step-by-step explanation:

Let the required number be n

\therefore \:  \frac{90}{100}  \times n = x \\  \\ \therefore \:  \frac{9}{10}   \\  \\  \therefore \:n = \frac{10}{9} x \\  \\  \therefore 100\% \: of\:n = \frac{10}{9} x \times 100\% \\  \\  = \frac{10}{9} x \times \frac{100}{100}  \\  \\  =  \frac{10}{9} x  \\

NOTE: A number is always 100% in itself.

3 0
3 years ago
Va rog sa ma ajutați: 420/180x54/180
MAVERICK [17]
First, you want to divide 420 by 180. Then, divide 54 by 180. Lastly, you want to multiply the answers of the two together.
                    - 
420/180= 2.3 

54/180= 0.3

2.3 * 0.3 = 0.69

*You just take it step by step. Hope I helped. :)
4 0
3 years ago
Read 2 more answers
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