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Whitepunk [10]
3 years ago
11

What is 4x-8y=5 6x-12y=10

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
5 0
If it is a system of two unknowns:
1) 4x-8y=5 multiple by 3
2)6x-12y=10 multiple by -2
then
12x-24y=15
-12x+24y=-20
x and y equals 0, so
Answer: no solution
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Pls help only b,d, and f
Leya [2.2K]
Solving for y right?

2y = 3x + 4 - x
2y = 2x + 4
y = 2x + 4 over 2
y = 2 (x + 2) over 2
y = x + 2


y - 3 = 2x - 6 over 2
y - 3 = 2(x - 3) over 2
y - 3 = x - 3
y = x


x - y - 2 = 2(2x + 1)
-y - 2 = 2(2x + 1) - x
-y = 2(2x + 1) - x + 2
y = -2(2x + 1) + x - 2
8 0
3 years ago
let a(x) be the amount of money remaining on hilarys gift card after purchasing x apps on her phone since a(12) = ??? , hilary w
mezya [45]

Answer:

Step-by-step explanation:

Given ⇒⇒⇒ a(x)=50-1.25x

a(x) be the amount of money remaining on Hillary's gift card.

x number of apps purchased on her phone

∴ a(12) = 50 - 1.25 * 12 = 35

Which mean : She have amount of total money = 50

she purchased 12 apps costs 12 *1.25 = 15 . So , she spent 15

The remaining on Hillary's gift card = 50 - 15 = 35

The correct answer is :

a(12) =35 .

This means that purchasing 12 apps , Hillary has $35 left

7 0
3 years ago
8n-2(3n-3)=-2(-n-3) what is n
ANEK [815]

Answer:

hey try taking a picture of the question on photo math! helps me alot

8 0
3 years ago
Read 2 more answers
The number of students at the new memorial high school increases at a rate of 6% per year. if there are 1600 students this year,
Volgvan
<span>Since there is 6% now there will be 8% in eight years which means 1800 is your answer.
___________________________________________________________-xoCote♥'</span>
5 0
3 years ago
CAN SOMEONE HELP MEEEE
andreev551 [17]

Answer:

181 ft^2

Step-by-step explanation:

A of wall=10*23=230

A of door=7*3=21

A of window=((4+3)/2)*4=7/2*4=28/2=14

theres two windows so 14*2=28

230-21-28=230-49=181 ft^2

6 0
3 years ago
Read 2 more answers
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