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ivann1987 [24]
2 years ago
7

Which is the closest to the height of the ball

Mathematics
1 answer:
bogdanovich [222]2 years ago
7 0

Answer:

C

Step-by-step explanation:

substitute 2.1 for 't' in the given equation

h = 113.391

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There are 25 desks in a classroom. The number of rows is five less than twice the number of desks in each row. Find the number o
anastassius [24]
Let's say each row has x desks and there are y rows.

We then know that x*y =25

We also know that x*2-5=y (number number of rows is five less than twice the number of desks in each row)

So we substitute: x*(x*2-5)=25
putting numbers out of the brackets:
2x*x-5x=25

2x*x-5x-25=0
 
(2x+5)(x-5)=0 (this bracketing is true: you can check it by expanding it:
2x*x-10x+5x-25

So that means that either x=-2.5which can't be : there can't be a fractional number of benches,

or  x=5
so each row has 5 desks and there are 2*5-5 rows, or 5 rows.


6 0
3 years ago
What is the simple interest earned on an investment of $12,625 in mutual funds for 12 years at a rate of 4%
vfiekz [6]

Answer:

Interest earned= $6,060

Step-by-step explanation:

Giving the following formula:

Principal (P)= $12,625

Interest (r)= 4%= 0.04

Period of time (t)= 12 years

<u>To calculate the interest earned after twelve years, we need to use the following formula:</u>

I= P*r*t

I= (12,625*0.04*12)

I= $6,060

Interest earned= $6,060

3 0
2 years ago
Janelle subtracts -4 from a number. The result is 2. What is the number
ICE Princess25 [194]
It should leave you with a -2.
6 0
3 years ago
Read 2 more answers
What is the length of the diagonal of the square shown below? 5 45° 5 5 90° 5 O A. 5
Tanya [424]

Answer:

E which is 5 * sqrt(2)

Step-by-step explanation:

yeah ya..... right?

4 0
2 years ago
Identify the real and imaginary parts of the complex number. -5 + 6i
Genrish500 [490]
-5 is the real part and 6i is the imaginary part. This can be determined by looking which number has the "i" attached to it. 
4 0
3 years ago
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