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Hatshy [7]
3 years ago
9

Which equation models the height, y, x seconds after firing?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0
Is there a model, or what is the context of the question?
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How many nanoseconds does it take for a computer to perform one calculation if it performs calculations per second?
igor_vitrenko [27]

I believe the correct question is:

6.7*10^7 calc/sec?

 

So:

1/(6.7 x 10^7) = seconds per calculation

1/(6.7 x 10^7) = 100/(6.7 x 10^9) = 14.9 x 10^-9 seconds per calculation = 14.9 ns

Which is approximately 15 ns

 

Answer:

15 ns

7 0
3 years ago
Answer two questions about Equations A and B:
DiKsa [7]

Step-by-step explanation:

3x+6=18

3x=18-6

3x=12

x=4

3 0
3 years ago
Jessica and Josh are selling Entertainment Books to raise money for the art room at their school. One book sells for $15. Jessic
melisa1 [442]
<h2><u>Answer</u><u>:</u><u>-</u></h2>

Jessica sells = 240 books,

Josh sells = 16 books.

<h3>Given:-</h3>

The price of one book is = $15

Jessica sold 15 times more books than Josh.

In total, they have sold 256 books.

<h3>Solution:-</h3>

We can easily find the answer using variables.

Let,

Josh sold a total of x books whereas Jessica sold a total number of 15x books.

together they sold 16x books.

So we can form the equation

16x= 256

by solving this equation we will get x=16

So, Josh sold 16 books and Jessica sold 16×15=240 books in total.

5 0
2 years ago
Read 2 more answers
The scale on a map is 1 cm: 7 km. If two cities are 15 cm apart on the map, what is the actual distance between the cities?
Lostsunrise [7]

Answer: C. 105 km

Step-by-step explanation:

By finding out that 1 cm is equal to 7 km, and that the two cities are 15 cm apart you can find it out by doing 7 x 15.

Enjoy. :)

5 0
3 years ago
Read 2 more answers
Without solving it, determine the nature of the roots of this equation:
ycow [4]
<h2>Answer:</h2>

x = 1, -4

Step-by-step explanation:

Find the roots of  x:

2  +  3

x  −  4  =  0  by solving for  x

.

6 0
3 years ago
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