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Brut [27]
3 years ago
11

-x+y=0 4x-3y=3 substitution

Mathematics
1 answer:
s2008m [1.1K]3 years ago
4 0

Answer:

x= 3

y= 3

Step-by-step explanation:

Step: Solve−x+y=0 for y:

−x+y=0

−x+y+x=0+x (Add x to both sides)

y=x

Step: Substitute x for y in 4x−3y=3:

4x−3y=3

4x−3x=3

x=3 (Simplify both sides of the equation)

Step: Substitute 3 for x in y=x:

y=x

y=3

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3 years ago
Which equation represents the proportional relationship between the cost, t, in dollars, of p pounds of wood bought? T=0.29pt =
docker41 [41]

Answer:

T = 0.29p

Step-by-step explanation:

From the table Given :

We can obtain the uint cost per pound of wood :

Cost of 12 pounds of wood = $3.48

Cost per pound = Cost / weight

Cost per pound = $3.48 / 12 = $0.29

Hence, the proportional relationship cost, T in dollars and p pounds of wood is ;

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3 0
3 years ago
I REALLY NEED HELP<br><br> Find the value of x
tiny-mole [99]

Answer:

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Step-by-step explanation:

Because, it should be almost equal to the other side. Sorry if I'm not right.

5 0
3 years ago
Myra won the hurdles event for the seventh graders. She completed the race in 22.8 seconds and knocked down 1 hurdle. Byron won
Nadya [2.5K]

Answer:

Myra: 24.8s (winner)

Byron: 26.3s

Step-by-step explanation:

Myra knocked down 1, so therefore there are 2 points added onto her time and it is now 24.8s.

Byron knocked down 3, so there are 6 points added on for 2 seconds per each hurdle. His time is now 26.3

6 0
3 years ago
Help me Please I need it !
evablogger [386]

Answer:

38

Step-by-step explanation:

Given that,

x = -4

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so,

f(-4)= (-4)² - 4 . (-4) +6

       =16 +16 +6

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4 0
4 years ago
Read 2 more answers
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