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Julli [10]
3 years ago
14

In which line is a mistake first made when solving the following system of equations by elimination for x? 5x + 3y = 12 4x - 5y

= 17
Line 1
25x + 15y = 60
4x - 5y = 17

Line 2
25x + 15y = 60
20x - 15y = 85

Line 3
45x = 145

Line 4
x = 29/9
Mathematics
1 answer:
Oduvanchick [21]3 years ago
6 0
- in the second line bc. the second equation we need multiplie just by 3 and ot by 5 
- so there above was multiplied by 5 and so than 5*(-5y) not equal -15y so this is equal -25y 
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Kasey buys a shirt for 12.50 plus 6% sales tax. Sue buys a shirt for 10.00 plus 6%
zaharov [31]

Answer:

Kasey paid: $13.50

Sue paid:$10.60

Togethee they paid: $24.10

Step-by-step explanation:

Convert the sales tax percentage to a decimal by moving the decimal point two places to the left or you can divide it by 100.

This should give you .06

Multiply .06 with the original cost before sales tax.

Add this amount to the original cost to get your answer

5 0
3 years ago
Suppose an item is originally
Sonbull [250]

Answer:$21.207 or $21.21

Step-by-step explanation:

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4 0
3 years ago
PLEASE HELP ME!!!!!! CLICK ON THIS PLEASE
Serhud [2]

Answer:

a) ok, heres what u graph, and ur ordered pairs

graph the following points:

(0,0) (1,5) (2,10) (3,15) (4,20) (5,25) (6,30) (7,35), and so on

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7 0
3 years ago
Read 2 more answers
3 times 2 cubed + 5 squared-18 divided by 6
Strike441 [17]

Answer:

46

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= 46

7 0
2 years ago
For which value of a does Limit of g(x) as x approaches alpha not exist?​
Hunter-Best [27]

The value of a where the Limit of g(x) as x approaches alpha not exist are -1 and 1

<h3>Limit of a function</h3>

The limit of a function is the limit of a function as x tends to a value.

From the given graph, you can see that the function g(x) goes large at the point where the arrows orange and purple point down from the x-coordinates -1 and 1.

Hence the value of a where the Limit of g(x) as x approaches alpha not exist are -1 and 1

Learn more on limit of a function here: brainly.com/question/23935467

#SPJ1

7 0
1 year ago
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