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Elden [556K]
3 years ago
8

Which statement best defines perpendicular lines?

Mathematics
1 answer:
OlgaM077 [116]3 years ago
6 0
Nodiizixidieosisisisisisiissisjususuizisi
You might be interested in
Estimate how many times larger 6 x 1020 is than 29 x 1016.
9966 [12]
The larger one should be 29*1016. Round 1016 down to 1000.
You get 29000 when you do that.
6 * 1020 is roundable to 6*1000 which is 6000

If you round 29000 to 30000 then 29*1016 should be 5 times larger than 6 * 1020

Check it out.
29 * 1016 = 29464
6 * 1020 = 6120

When you divide the smaller into the larger, you get 4.18 which is in the same ball park as 5. 

Estimating is a skill you need when you are shopping and when you are writing tests. If you need to know if 4.18 is a good answer when a rounded answer is 5, you know you've done the work properly.

Rounding should permit you to get an answer in your head. 


8 0
3 years ago
a jar contains 28 marbles, of which 3 are blue, 13 are red, and the rest green. what is the ration of green marbles to read marb
Fed [463]
Ration or ratio? I'm assuming ratio. 12:13 I think.... let me know if I'm wrong
8 0
3 years ago
Sos HELP MEEEEE I HAVE NO CLUE PLZ EXPLAIN !!!​
OleMash [197]
2,376 square feet
**
Add the areas of all the sides of the shape.
A triangle's area: 1/2bh
The two triangles' area=24*9=216
The bottom side: 40*24=960
The two other sides: 30*40=1200
Add everything: 216+960+1200=2376
5 0
4 years ago
9y + 3 &gt; 4y - 7<br><br>thats it
olga_2 [115]
Pretend the greater than less sign is an equal sign

9y - 4y > -7 -3
5y > -10


When you divide both sides by a negative, the sign flips but here the sign doesn’t flip because we don’t need to divid by a negative

y>-2

8 0
3 years ago
Darren purchased a bicycle for 25% of the original cost at Walmart. If the Original cost of the bicycles was $200, how much did
andreev551 [17]

i'm not sure if you mean 25% <em>off</em> or 25% <em>of</em> so i'll just do both

25% <em>OFF</em>: $150

25% <em>OF</em>: $50

8 0
3 years ago
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