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miv72 [106K]
2 years ago
12

Solve for x and y x+1/2 - y+4/11=2 ; x+3/2 + 2y+3/17=5

Mathematics
1 answer:
puteri [66]2 years ago
3 0

The value of x and y is 5 , 7

<h3>What is an Equation ?</h3>

An expression consists of variables , constants and mathematical operators , when equated by any other algebraic expression or a constant it becomes an equation.

The equation given in the question is

(x + 1)/2  -(y+4)/11 = 2

(x+3) /2 + (2y+3)/17 = 5

It has to be solved for x and y ,

The simplification of the equation has to be done

and the equation is

11x-2y = 41  -----------1

and

17x +4y = 113    -------------------2

to find the solution elimination method will be followed as

Multiplying equation 1 by 2 and adding the both equations

39x = 195

x = 5

Substituting this value in equation 1

55 -2y = 41

y = 7

The value of x and y is 5 , 7

To know more about Equation

brainly.com/question/10413253

#SPJ1

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Krystal can wax a floor in 16 minutes. Perry helped her and it took 5.76 minutes. How long would it take perry to do it alone?
finlep [7]
<span>Krystal's rate = 1 floor in 16 min. = 1/16 floors per min.

Working together their rate = 1 floor in 5.76 min. = 1/5.76 floors per min.

We need to determine Perry's rate, so we need to equate their combined rate with the sum of the individual rates.

Let Perry's time = x

In equation form, we can write:
1/16 + 1/x = 1/5.76
Solve for x:

(x+16)/16x = 1/5.76 -> 5.76(x+16) = 16x -> 10.24x = 92.16 -> x = 9

So, Perry would take 9 mins. to do the floor alone.

I hope this helped!
Please Rate & Thank!
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8 0
3 years ago
Martin can run 1 mile in 7 minutes wjat do u write it in proportions
Vikki [24]

Answer:

1:7

Step-by-step explanation:


3 0
3 years ago
The cost of five books is 71 dollars what is the cost of each book
Sedbober [7]
Divide 71 and 5 to get a decimal since 71 does not end with 5 or 0. Do it to get 14 1/5 or 14.2
5 0
3 years ago
Read 2 more answers
A statue in the park is 24 feet tall and has a width of 36 inches. Chase was in
NeTakaya

Answer:

<u>22.33 feet tall / 267.96 inches tall</u>

Step-by-step explanation:

The statue is 36 inches wide. If Chase made his model of the statue 16 inches wide, he decreased it by 20 inches. Now change the inches into feet. 36 inches would be 3 feet, 16 inches would be 1.33 feet and 20 inches would be 1.67 feet. <u>24ft - 1.67 = 22.33ft.</u> Now change the answers to inches.  22.33ft will be 267.96 inches tall.

3 0
3 years ago
A) If x = a + 7 and y = b-a, show that x + y = b + 7. ​
Lesechka [4]

Step-by-step explanation:

x = a + 7

y = b-a

To prove

x + y = b + 7.

  1. x+y= (a+7) + (b-a)

=a+7+b-a

=a-a+7+b

=0 + 7+b

= b+7

Proved ✅

5 0
2 years ago
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