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algol13
3 years ago
14

Define parallel lines.

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

Lines in the same plane that intersect to form a 90 degree angle

Step-by-step explanation:

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(20 points)
chubhunter [2.5K]
V = (1/4)(π* d² * h) 
<span>V = (1/4)(π * 10² * 12) </span>
<span>V = (1/4)(1200π) </span>
<span>V = 300π </span>
<span>[ V ≈ 942 cubic units . . . . . to 3 s.f. ] </span>
<span>V ≈ 942 cubic units 
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8 0
3 years ago
Read 2 more answers
how many ounces of pure water must be added to 50 ounces of a 15% saline solution to make a saline solution that is 10% salt
anygoal [31]

50 ounces of 15% saline solution contains 0.15*50 = 7.5 ounces of salt.

Let x be the amount of pure water you add to this solution. Then you end up with (x + 50) ounces of this new solution. The amount of salt stays the same.

You want the new solution to have a concentration of 10%. This means you need

7.5 / (x + 50) = 0.1

==>  7.5 = 0.1(x + 50)

==>  7.5 = 0.1x + 5

==>  2.5 = 0.1x

==>  2.5/0.1 = 0.1x/0.1

==>  x = 25

7 0
3 years ago
What,s the answer of _5y_25=25 ?
Ganezh [65]
The answer is that y is equal to zero

8 0
3 years ago
Find the range of the function. ƒ(x) = x2 + 3
beks73 [17]

Answer:

c

Step-by-step explanation:

7 0
2 years ago
Which of the following expression are equivalent to -45+12?
lora16 [44]

Answer:

Step-by-step explanation:

Please share the possible answer choices next time.  Thanks.

-45 + 12 is equivalent to 12 - 45.

-45 + 12 comes out to -33.

5 0
3 years ago
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