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WITCHER [35]
3 years ago
5

What pair of undefined terms is used to define the term parallel lines?

Mathematics
1 answer:
Ainat [17]3 years ago
6 0

The terms are

line

plane


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Solve the system of equations.<br> - 5x + 2y = 9<br> Y = 78<br> =
Oksi-84 [34.3K]

Answer:

x = 147/5 and y = 78

Step-by-step explanation:

First solve by substitution and put 78 into y in -5x + 2y = 9 so you get 147/5

then plug 147/5 into x and find y

7 0
3 years ago
Read 2 more answers
Good afternoon help me plz just 2 question 10 points
Tom [10]
Supplementary angles have sum = 180
m<TUW = 31
m<TUV = 180 - 31 = 149

answer is 149 (last choice)

second picture:
answer is vertical angles (2nd choice)

7 0
3 years ago
Determine whether the algebraic expression is a linear expression.<br> Explain.
eimsori [14]

An equation that forms a straight line on a graph.


More precisely, a linear equation is one that is dependent only on constants and a variable raised to the first power. For example, y=6x+2 is linear because it has no squares, cubes, square roots, sines, etc. Linear equations can always be manipulated to take this form:


ax+b=0

You won't always see linear equations written exactly like that, but keep in mind that we can manipulate equations to put them in a particular form if necessary.


Linear equations are often written with more than one variable, typically x and y. Such equations will have many possible combinations of x and y that work. When those points (known as coordinate pairs) are plotted on an x-y axis, they will form a straight line. Let's take a look at this graphically below. The two equations drawn are linear. Note that one is in the form y=3 (it is dependent on just a constant, 3), and the other equation is y=0.75x−0.5 (a linear term and a constant).

4 0
3 years ago
22 meters per second in kilometers per hour.
lbvjy [14]

Answer:

79.2 kilometres per hour

Step-by-step explanation:

1 km = 1000 m

1 hr = 3600 sec. To convert km/hr into m/sec,

We multiply the speed which in this case is 22m/s

by 3.6 giving 79.2 kmh. Therefore 22m/s into kilometer is 79.2 kmh.

6 0
2 years ago
Read 2 more answers
A rectangle is 8 feet long. Its width is represented by “seven plus x feet.” Which expression represents the area, in square fee
Musya8 [376]

56 + 8x

Area of Rectangle = Length x Width

Area of Rectangle = 8(7 + x)

4 0
2 years ago
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