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Lorico [155]
3 years ago
13

She was so famous she had 12 body guards at one concert. At the next concert she had 15 body guards. What is the percent of chan

ge in the number of body guards
Mathematics
1 answer:
balu736 [363]3 years ago
3 0

Answer:

she increased her body guards by 20%

Step-by-step explanation:

15-12 = 3

3/15 = .2 or 20%

OR you can do it like...12/15  = .8

100%-80% = 20% more body guards.

hope that helps

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Solve the equation using the Zero-Product Property.<br><br> -5n(4n + 1) = 0
Irina18 [472]

Answer:

The final answers are n = 0 or n = -1/4.

Step-by-step explanation:

Given the equation is -5n(4n + 1) = 0.

The Zero-Product property says "if x*y=0, then x=0 or n=0 or both."

we have -5n(4n + 1) = 0.

We know -5 is not equal to 0.

It means n = 0 or 4n+1 = 0.

n = 0 or 4n = -1.

n = 0 or n = -1/4

So, final answers are n = 0 or n = -1/4.

3 0
4 years ago
Read 2 more answers
The varsity football team consists of seniors and juniors. The number of seniors is 7 less than the number of juniors. There are
harkovskaia [24]

Answer:

There are 18 seniors and 25 juniors.

Step-by-step explanation:

  • Find your equation. For this equation, it comes out to be:

                  x + x + 7= 43   or   2x+7=43

        X represents the amount of seniors.

        The amount of juniors can be represented as x+7

  • Solve the equation. It comes out to be:

        1st - Transfer the 7 to the other side to get the x by itself

                  2x=36

        2nd - Divide 36 by 2 to leave x by itself

                   x=18

  • Answer the question. Because you didn't specify what your were asking for, I imagine it's the number of player from each class.

                   Because x represents the seniors, there are 18 seniors.

                   There are 7 more juniors, add 7 to 18, so there's 25.

8 0
3 years ago
4.
coldgirl [10]
Using <span>Compound interest formula:
</span>
<span><span>The exponential function for calculating the amount of money after <span>t <span>years, <span>A<span>(<span>t<span>), where<span> P <span>is the initial amount or principal, the annual interest rate is <span>r <span>and the number of times<span> interest is compounded per year is n, is given by
</span></span></span></span></span></span></span></span></span></span></span></span>A(t) = p(1+ \frac{r}{n} )^{nt}

</span><span>from the given information:
p = 2,310 , r = 0.035 ,
</span><span>compounded daily ⇒⇒⇒ n =365
To calculate the time : </span>deposited April 12 and withdrawn July 5<span>
t = 2 months and 23 days = 83 days = 83/365 years
∴ n t = 365 * 83/365 = 83

Amount = </span>
<span>A(t) = 2310(1+ \frac{0.035}{365} )^{83} = 2,328.46

</span>The interest earned = <span><span>2,328.6458</span> - 2,310 = 18.46

</span>



7 0
4 years ago
The sum of three consecutive multiples of three are 54 more than twice the smallest number. What are the three integers?
Misha Larkins [42]

Answer:

45, 48, and 51.

Step-by-step explanation:

The numbers are 3x, 3x+3, and 3x+6. Write the equation: 9x+9=6x+54. Solve: x=15. So the numbers are 45, 48, and 51.

Check: 45+48+51 is 144. 45*2+54=144. 144=144 Correct!

6 0
4 years ago
The question is the picture
mezya [45]

Answer:

Step-by-step explanation:

Hope this helps u!!

note :if u change divide sign to multiplication sign then do the reciprocal

for eg:

3/4÷3/100

then write,

3/4*100/3

4 0
3 years ago
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