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VLD [36.1K]
3 years ago
13

Which describes all the lines that must be parallel?

Mathematics
2 answers:
statuscvo [17]3 years ago
5 0

Answer:

3)

Step-by-step explanation:

NeX [460]3 years ago
3 0
3rd one

Parallel means heading in the same direction but will never meet like: | | if those two lines kept going they would never meet
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Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.
Vladimir [108]

Answer:

270 yds squared    

Step-by-step explanation:

You need to area of each of the shapes that make up the triangular prism. So, the side triangles, the back rectangle, the bottom rectangle and the top rectangle.

Side triangle (1x): base*height/2

12*5/2

60/2

30 yds, 60 yds for both sides.

Back rectangle: length*width

5*7

35 yds

Bottom Rectangle: length*width

7*12

84 yds

Top rectangle: length*width

7*13

91 yds.

To get the final answer, you add the surface areas together to get the final amount of yards: 30+30+35+84+91= 270 yds squared. Hope this helps.

5 0
2 years ago
The average distance from Earth to the sun is about 9.3×10^7 miles. The average distance from Mars to the sun is about 1.4×10^8
diamong [38]

Move the decimal to the right (you go to the right since the exponent is positive, if the exponent was negative then you would move left) seven times, giving you 9,300,000 miles (for Earth). You then do the same with the next equation, giving you 140,000,000 miles (for Mars).

Finally, to find the official number of miles, you simply work the equation 140,000,000 - 9,300,000 .. giving you 130,700,000 miles.


If your teacher wants you to put it back into exponential form, then you first make the number into a decimal that is greater than one and less than ten.


1.30700000


Then, what you want to do is count all of the zeros as a single exponent, giving you 5, but we're not done yet. To get the correct answer, you have to also count the numbers until you reach the decimal. Remember to take out the zeros, because they're not really necessary anymore!


1.307×10^{8}

5 0
3 years ago
One step inequalities.... 9x&lt;18<br> how to solve
Nuetrik [128]
So 9x<18 can be factored out into 
9(x)<9(2)
you can divide both sides by 9
x<2 

so the solution is any number more than 2, but not 2
5 0
2 years ago
Read 2 more answers
Diego bought a bicycle that cost $180. In addition he had to pay 8% sales tax on it.
yaroslaw [1]

Answer:

$14.40

Step-by-step explanation:

$180 * 8% ( Or 0.08 )

7 0
2 years ago
The value of 2 in 2000 is_times the value in 200
VARVARA [1.3K]
2000/200 is 100!! so it will be 100
5 0
2 years ago
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