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3 years ago

PARALLEL PERPENDICULAR OR NEITHER

Mathematics

1 answer:

Oksanka [162]3 years ago

6 0

Answer:

Parallel

Step-by-step explanation:

Using these points, we can determine that the equation is as follows:

Line B: y = -2/3x + 7/3

And since Line A has the same slope, it would make Line A's equations like this:

Line A: y = -2/3x - 11/3

This makes these equations Parallel to each other because they have the same slope with different y-intercepts.

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What is the simplified form of (x+3)/3 + (x+6)/3 ?

Inessa [10]

The answer would be D.

4 0

4 years ago

A boat goes 32 miles downstream in two hours. The return trip againts the current takes sixteen hours. Find the rate of the boat

zepelin [54]

Answer: the rate of the boat in calm water is 9 mph and the rate of the current is 7 mph

Step-by-step explanation:

Let x represent the rate of the boat in calm water.

Let y represent the rate of the current.

A boat goes 32 miles downstream in two hours. Assuming that it travelled in the direction of the current, its total speed would be

x + y mph

Distance = speed × time

Distance covered downstream is

32 = 2(x + y)

16 = x + y - - - - - - - - - - - -1

The return trip against the current takes sixteen hours.

Its total speed would be x - y mph

Distance = speed × time

Distance covered on return trip is

32 = 16(x - y)

2 = x - y - - - - - - - - - - - -2

Adding equation 1 and equation 2, it becomes

18 = 2x

x = 18/2 = 9 mph

Substituting x = 9 into equation 1, it becomes

16 = 9 + y

y = 16 - 9 = 7 mph

3 0

3 years ago

CAN SOMEONE PLEASE HELPPP!!!!! It's Algebra 1. I attached the picture it's just one question.

muminat

You have to do 2h up, halph an hour parallel , and then a line more vertical than the 2h, then parallel the time he is on the top, and then a line down that stops parallel for some time in the middle and then a line down to the bottom.

There you are almost but you have to do it with better measures.

8 0

3 years ago

A concert hall has 25,350 seats. There are 78 rows of seats in the hall each row has the same number of seats how many seats are

Leona [35]

Answer:

There are 325 seats in each row

Step-by-step explanation:

78 × 325 = 25,350

7 0

3 years ago

Expression

Alex787 [66]

The value of the expression is -24

This is because you distribute the -4 to both of the values in the parenthesis like this:
-4(7) + -4(-1)
This can be simplified to:
-28 + 4
Which equals -24
Hope this helps!

4 0

3 years ago