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3 years ago

Pls help me with this question

Mathematics

2 answers:

vampirchik [111]3 years ago

7 0

Answer:

Both lines are parallel

Step-by-step explanation:

If two lines have same slope, then the two line are parallel.

Write the equation in y = mx + b form, where m is the slope

Line 1: y = 5x + 1

Slope = 5

Line 2: 2y -10x + 3 = 0

2y = 10x - 3

y = 10x/2 - 3/2

y = 5x - 3/2

Slope = 5

Both lines are parallel

Montano1993 [528]3 years ago

3 0

Answer:

1. is 1 2. is 3

Step-by-step explanation:

hope this helped

please give me brainliest

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2 years ago

David's bedroom door is 8 feet tall and 4 feet wide. A new door would cost $8.00 per square foot. How much would a new bedroom d

Verdich [7]

Answer:

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Step-by-step explanation:

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6 0

1 year ago

X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?

Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

$x+y = 152\\8.5x+12y=1656$

From equation 1:

$x = 152-y$

Putting the value of y in equation 2

$8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104$

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

$x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48$

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

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2 years ago