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2 years ago

What is y – 3 = 7 (x – 5) in standard form?

Mathematics

2 answers:

yuradex [85]2 years ago

8 0

Answer:

38=7x-y

Step-by-step explanation:

standard form= Ax+By+C

(y-3=7(x-5))

(y-3=7x-35)+3 to both sides

(y=7x-38) +38 to both sides

(y+38=7x) -y to both sides

38=7x-y

you have to move the 38 and y because if you moved the x value, than A becomes negative and it can't be in standard form

Charra [1.4K]2 years ago

6 0

Answer:

7x-y=32

Step-by-step explanation:

I really hope this helps! :)

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2 years ago

What is the median of the following numbers? 3.31,37,56, 61,57,62

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Answer:

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2 years ago

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5x-y>4 what does y equal

sukhopar [10]

Answer:

y < -4 + 5x

Step-by-step explanation:

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2 years ago

What is the solution to -2(5y-5)-3y

Alenkasestr [34]

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2 years ago

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Jessica has 48 coins, some of them are nickels and some are dimes. How many of each does she have if she has $3.25 total? 69 POI

Mrrafil [7]

Answer:

Nickels = 44.6

Dimes = 3.4

Step-by-step explanation:

We know that Jessica has 48 coins of which some are nickels and some are dimes so we can write it as:

n = amount of nickels

d = amount of dimes

$n+d=48$ --- (1)

We are to find the number of nickels and dimes if their total worth is $3.25.

Since a dime is worth 10¢ and a nickel is 5¢, so it should be:

$0.05n + 0.3d = 3.25$ --- (2)

From (1):

$n=48-d$

Substituting this value of $n$ in (2) to get:

$0.05(48-d) + 0.3d = 3.25$

$2.4-0.05d+0.3d=3.25$

$2.4+0.25d=3.25$

$0.25d=0.85$

$d=3.4$

Finding $n$ by substituting the value of $d$ :

$n=48-d$

$n=48-3.4$

$n=44.6$

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2 years ago

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