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Nady [450]
4 years ago
9

By what factor would you need to multiply the first and second equations to eliminate x? By what factor would you need to multip

ly the second and third equations to eliminate x?
Mathematics
1 answer:
gavmur [86]4 years ago
4 0
Equation 1 : x + y + z = 3.25
equation 2 : 12x + 2y + z = 9.50
equation 3 : 2x + 4y + 5z = ??

u would multiply equation 1 by -12.....take that result and add it to equation 2....this eliminates x.

u would multiply equation 3 by -6...take that result and add it to equation 2....this eliminates x


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The New England Revolutions are having a charity soccer event for which tickets cost $18 per person. However, the ticket agency
julia-pushkina [17]

Let as consider, we need to find the fixed fee.

Given:

Cost of each ticket = $18

Number of tickets = 5

Total cost = $93

To find:

The fixed fee.

Solution:

Let x be the fixed fee..

Cost of 1 ticket = $18

Cost of 5 ticket = $(5 × 18)

                         = $90

Total cost 5 tickets = Fixed fee + Cost of 5 tickets

93=x+90

93-90=x

3=x

Therefore, the fixed fee is $3.

4 0
4 years ago
The price of a laptop is increased by 15%.The old price of the laptop was £300.Work out the new price
Alika [10]

Answer: 345

Step-by-step explanation:

15% + 100% = 115%

100%.......300£

115%..........x£

x = 115*300/100

x= 345

6 0
3 years ago
Translate The quotient of a number and 16
daser333 [38]

Answer:

n16

Step-by-step explanation:

5 0
3 years ago
Write an equivalent expression using the given property Part A:commutative property of multiplication. 3xy=. Part B:associative
Airida [17]

Answer:

part A: 3yx

Part B: (x+y)+z

C: 3xy-6x

Step-by-step explanation:

Commutative property: change the orders in which numbers are multiplied

associative: when all the integers are in addition you can add parentheses wherever u like

distributive: multiply the number just outside the parentheses with the every numbers inside the parentheses

Hope this heps!

4 0
3 years ago
Read 2 more answers
32 pages to 28 pages percent of change
pychu [463]

Answer:

Youre answer is 12.5%

Step-by-step explanation:

Percent change is calculated as

Change original×100%

Change =32−28=4 pages

=4

1328×100%=1008%=

And then your final answer:

12.5%

Glad I could help, hv a good day :3

4 0
3 years ago
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