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neonofarm [45]
2 years ago
11

Sara buys 1 pair of jeans for $20 and 5 shirts .The total of her purchase was $55.Witch equation models the scenario? a)1+5=20x

b)20+5x=55 c)20-5x=55 d)1x+5=55
Mathematics
1 answer:
kirill115 [55]2 years ago
5 0

Answer:

the answer is b)20+5x=55

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A car company makes 2 types of cars: luxury and sport. Each luxury car costs the company $15,000 for parts and requires 1,600 ma
Mademuasel [1]

Answer:

luxury=15

sports cars 25

Step-by-step explanation:

Step one:

let the luxury cars be x

and the sports cars be y

the objective function is

maximize

15000x+16000y=625000------1

the constraints are

1. Man-hours

1600x+1500y=61500-----------2

Step two:

the system of equation for the situation is

15000x+16000y=625000------1

1600x+1500y=61500-----------2

let us reduce both equation

divide equation 1 be 1000

and equation 2 by 100 we have

15x+16y=625--------1 x15

16x+15y=615--------2 x16

  225x+240y=9375

 -256x+240y=9840

=-31x+0=-465

31x=465

x=465/31

x=15

put x=15 in 15x+16y=625 we have

15(15)+16y=625

225+16y=625

16y=625-225

16y=400

y=400/16

y=25

3 0
2 years ago
Can anyone tell me what this graph is in slope intercept form?
Eddi Din [679]

Answer:

the standard form equation is 1/2x^2-x-3/2=0

the vertex form equation is  1/2(x-1)^2-2=0

Step-by-step explanation:

Unfortunately, this can't be written in slope intercept form but I can write it in standard form(ax^2+bx+c) or vertex form (a(x-h)+k)

The vertex is (1,-2)

I estimate a=1/2 because the graph was widened and that can only be done by a fraction.

So, 1/2(x-1)^2-2=0

To find it in standard form

foil (x-1)(x-1)= x^2-2x+1

Then multiply by 1/2(x^2-2x+1)= 1/2x^2-x+1/2-2

To add 1/2-2. You mulitply -2 by 2/2 which equals 1/2-4/2 which equals -3/2

So the standard form equation is 1/2x^2-x-3/2=0

6 0
2 years ago
I NEED HELP NOW!!!
Karolina [17]
Your answer is 11

hope this helps!!
4 0
2 years ago
Help pls !! the 2 are the same theyre just duplicated !
meriva

Answer: 1.Non 2.Pro 3.Non 4.Pro 5.Non 6.Non 7.Pro 8.Pro 9.Non 10.Pro

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Please answer quick!
KatRina [158]

The answer is <em>X</em>= 15/19

7 0
3 years ago
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