2 years ago

1. Show that

Mathematics

1 answer:

Eddi Din [679]2 years ago

6 0

Answer:

(10a+5)²= 100 a( a+1) + 25

Step-by-step explanation:

Explanation:-

Given

(10a+5)²

By using (a+b)² = a² +2ab +b²

= (10a)²+ 2 × 10a× 5 + (5)²

= 100a² + 100a + 25

= 100 a( a+1) + 25

You might be interested in

This is the last question i got a 100 so far can we get a full 100

yKpoI14uk [10]

Answer:

Step-by-step explanation:

8 0

2 years ago

Please Help this is to help out a friend...

Gwar [14]

Answer:

need the equation

Step-by-step explanation:

6 0

3 years ago

A land is in the shape of a semicircle with radius 10m.How much wire is needed to fence the plot

Tamiku [17]

Answer:

31.42m for a single layer

7 0

3 years ago

Lance Rice has decided to invest $1,200 quarterly for eight years in an ordinary annuity at 4%. The total cash value of the annu

Likurg_2 [28]

$\bf \qquad \qquad \textit{Future Value of an ordinary annuity}
\\\\
A=pymnt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]
\\\\$

$\bf \begin{cases}
A=
\begin{array}{llll}
\textit{original amount}\\
\textit{already compounded}
\end{array}\begin{array}{llll}\end{array}\\
pymnt=\textit{periodic payments}\to &1200\\
r=rate\to 4\%\to \frac{4}{100}\to &0.04\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, meaning }
\end{array}\to &4\\

t=years\to &8
\end{cases}
\\\\\\
A=1200\left[ \cfrac{\left( 1+\frac{0.04}{4} \right)^{4\cdot 8}-1}{\frac{0.04}{4}} \right]$

6 0

3 years ago

(0,-1) and (3,-5) Write in point slope form an equation of the line through each pair of points

natali 33 [55]

Answer:

y= $\frac{-4}{3}$ x-1