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atroni [7]
3 years ago
15

Solve each equation with the quadratic formula. 4n^2+7n-1=-4

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
7 0
The answer i got was
n=-3/4,n=-1
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opal strated working on her art project at 2:25pm. she worked for 50 minutes. what time did she finish?​
seropon [69]

Answer:

3 : 15pm

Step-by-step explanation:

2 : 25 pm + 50 minutes

2 : 25 pm + (35 minutes + 15 minutes)

(2 : 25 pm + 35 minutes) + 15 minutes

3 : OO pm + 15 minutes = 3 : 15 pm

8 0
3 years ago
n a car factory, 6 machines can make 6 wheels in 6 minutes. How long will it take 30 machines to make 30 wheels?
vitfil [10]

Answer:

If 6 machines make 6 wheels in 6 minutes, that means each of the machines must make 1  wheel in 6 minutes.  If you now consider 30 machines, and we know each of these 30 machines makes 1 wheel in  6 minutes, that means all 30 machines will make 30 wheels in 6 minutes.

Step-by-step explanation:

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3 years ago
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jeka57 [31]
Answer: x =4
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Explanation:
John = x
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Hope that helps!
3 0
3 years ago
What prism or other 3-dimensional shape would you use to model the tree trunk below? (Rectangular prism, triangular prism, squar
hoa [83]

Answer:

A cylinder,

91.9 ft^3 to nearest tenth.

Step-by-step explanation:

That would be a cylinder,

Volume of the given tree trunk

= π r^2 h

= π  * 1.5^2 * 13

= 91.89 ft^3.

5 0
2 years ago
What characteristics can be seen in the graphs for a system that have one solution, no solution or infinitely many solutions?
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3 years ago
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