Solve this please!!!!

Mathematics

1 answer:

Lilit [14]3 years ago

6 0

Answer it’s 14

Explanation
Look at the middle letters from the three of them ( BNO) always pick the middle letter (N) like look at this

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Sarah borrowed some money from her father at a simple interest rate of 5.5% to pay for her college tuition. At the end of the ye

gavmur [86]

$\bf ~~~~~~ \textit{Simple Interest Earned Amount}
\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$2555\\
P=\textit{original amount deposited}\\
r=rate\to 5.5\%\to \frac{5.5}{100}\to &0.055\\
t=years\to &1
\end{cases}
\\\\\\
2555=P[1+(0.055)(1)]\implies \cfrac{2555}{1+(0.055)(1)}=P
\\\\\\
\cfrac{2555}{1.055}=P\implies 2421.800947867 \approx P$

4 0

3 years ago

Sand for use on icy roads is stored in a conical pile 14.2 m high and with a base diameter of 34.4 m calculate the volume of the

sammy [17]

Answer:

1. The volume of the pile is 4,399.7719 m^3

2. The number of sanders to be filled from a pile is 638

Step-by-step explanation:

Here, we firstly would calculate the volume of the pile

Mathematically, that will be;

V = 1/3 * pi * r^2 * h

from the question, h = 14.2

Mathematically, r = d/2

r = 34.4/2 = 17.2 m

So the volume will be:

V = 1/3 * 3.142 * 17.2^2 * 14.2

V = 4,399.7719 m^3

To find the number of sanders to be filled,

we simply divide the volume obtained by the volume a sander can take

That will be;

4,399.7719/6.9

= 637.6 which is 638

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2 years ago

George invited 65 students in his school to volunteer at a charity race. 39 of the students signed up to volunteer. What percent

Natali5045456 [20]

39 is 60% of 65.
Hope it helps!

6 0

3 years ago

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Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the

ipn [44]

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