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Oksana_A [137]
2 years ago
14

Y = x -5 x + y = -1 whats the soultion for the systeam of eqations

Mathematics
1 answer:
pantera1 [17]2 years ago
3 0

Answer:

x = 2

y = -3

Step-by-step explanation:

y = x - 5  -------------------(I)

x + y = -1 ----------------(II)

Substitute y = x -5 in equation (II)

x + (x - 5) = -1

x + x - 5 = -1   {Combine like terms}

   2x - 5 = -1 {Add 5 to both sides}

        2x  = -1 + 5

         2x = 4 {Divide both sides by 2}

           x = 4/2

x = 2

Substitute x = 2 in equation (I)

y = 2 - 5

y = -3

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A rental car company is running two specials. Customers can pay $40 to rent a compact car for the first day plus $6 for each add
Flura [38]

Answer: she wants to rent the car for 11 days.

Step-by-step explanation:

Let x represent the number of additional days that Pamela wants to rent the car for.

Customers can pay $40 to rent a compact car for the first day plus $6 for each additional day. This means that the total cost of using this special for x days would be

40 + 6(x - 1) = 40 + 6x - 6

= 34 + 6x

Also, they can rent the same car for $30 the first day and $7 for every additional day beyond that. This means that the total cost of using this special for x days would be

30 + 7(x - 1) = 30 + 7x - 7

= 23 + 7x

Since she found out that the two specials are equivalent for x days, then

34 + 6x = 23 + 7x

7x - 6x = 34 - 23

x = 11

4 0
3 years ago
Simplify (-343,000) 1/3
bixtya [17]
-343,000 x 1/3 = -114,333.333333333219
3 0
2 years ago
I need help im not sure how to do this
sleet_krkn [62]

Answer:

10

Step-by-step explanation:

x-1 = 0

x = 1

f(x) = 3x⁵+2x⁴+5

f(1) = 3(1)⁵+2(1)⁴+5

= 3+2+5

= 10

I hope this helps

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3 years ago
Monique is painting a circle on the lunchroom wall. The radius of the circle is 3 feet
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1. find the center of the circle
5 0
2 years ago
Read 2 more answers
8.7/2=q/4 what is Q and give me work plez
ZanzabumX [31]
8.7/2=q/4
multiply both sides by 4: q=8.7/2*4
multiply both sides by 2: 2q=8.7 times 4
refine the equation: 2q=34.8
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Divide both sides by 20: 20q/20=348/20
refine the equation for the final answer: q=87/5
8 0
2 years ago
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