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cestrela7 [59]
4 years ago
8

A cuboid, with dimensions 28cm by 16cm by 15cm, has a volume of 6720cm cube. The cuboid is melted to form smaller cubes of lengt

h 4cm. How many cubes can be obtained?
Mathematics
1 answer:
Dovator [93]4 years ago
3 0

Answer:

Vol of the cube =Vol of cubiod

Vol of each smaller cube =s×s×s= 4×4×4=64

Vol of cuboid /Vol of each smaller cube = no of cubes that can be obtained

6720/64= 105

Hence 105 cubes can be obtained

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elena-14-01-66 [18.8K]

Answer:

I believe the sales would be: 90816.03

Step-by-step explanation:

20.5 % of 75.366 is 15450.03

75366 + 15450.03 = 90816.03

8 0
4 years ago
Sarita has to solve the problem below for homework.
Len [333]

Answer:

A

Step-by-step explanation:

Solving for y in the second equation is the best way because it will leave you with a direct equation of y = _______

This will allow for you to solve with substitution.

6 0
3 years ago
What is the sum of -3 and -12
goblinko [34]

Answer:

-15

Step-by-step explanation:

-3 + -12 = -15

4 0
3 years ago
How much more would $1000 earn in 5 years in an account compounded continuously than an account compounded quarterly if the inte
choli [55]
\bf ~~~~~~ \textit{Compounding Continuously Interest Earned Amount}\\\\
A=Pe^{rt}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$1000\\
r=rate\to 3.7\%\to \frac{3.7}{100}\to &0.037\\
t=years\to &5
\end{cases}
\\\\\\
A=1000e^{0.037\cdot 5}\implies A=1000e^{0.185}\\\\
-------------------------------\\\\

\bf ~~~~~~ \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$1000\\
r=rate\to 3.7\%\to \frac{3.7}{100}\to &0.037\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, thus four}
\end{array}\to &4\\
t=years\to &5
\end{cases}
\\\\\\
A=1000\left(1+\frac{0.037}{4}\right)^{4\cdot 5}\implies A=1000(1.00925)^{20}

compare both amounts.
8 0
3 years ago
Evaluate the expression when y = 6 and x = 9 <br> x+7y
Anon25 [30]

Answer:

Step-by-step explanation:

y = 6

x = 9

x+7y  

9 + 7(6)

9+ 42

51

8 0
3 years ago
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