Ask question

Ask question

All categories

Angelina_Jolie [31]

2 years ago

14

Dan invests £18790 into his bank account. He receives 5.3% per year simple interest. How much will Dan have after 7 years?

1 answer:

Neko [114]2 years ago

8 0

Answer: 55

Step-by-step explanation:

67

You might be interested in

James joins Club One which charges a monthly membershi[ of $ 19.99. How much will James spend in all, if he continues his member

maria [59]

Answer:

James will spend $119.94

Step-by-step explanation:

Multiply $19.99 by 6.

<em>$19.99 x 6 = $119.94</em>

8 0

2 years ago

A basketball coach is purchasing 12 shirts for her team, each with a different number. At the checkout counter, the clerk places

ICE Princess25 [194]

Kidjov the answer I came up with for you is 792 I hope this helps

4 0

3 years ago

Read 2 more answers

Which function below BEST describes the height of the ball after the xth bounce?

otez555 [7]

D

Dnskelendndnskskwbwkajs

6 0

2 years ago

Calculate the value of x in the equation 2x - 15 =5 - 3×

pshichka [43]

$\bold{2x - 15 = 5 - 3x} \\ \bold{2x + 3x = 15 + 5} \\ \bold{5x =20 } \\ \bold{x = \cancel{ \frac {20}{5} }} \\ \bold{x = 4}$

Hope it helps

3 0

1 year ago

Read 2 more answers

Find S12 for geometric series: (-7.5) + 15 + (-30) + ...

kolezko [41]

Answer:

S12 for geometric series: (-7.5) + 15 + (-30) + ... would be: 10237.5

Step-by-step explanation:

Given the sequence to find the sum up-to 12 terms

$(-7.5) + 15 + (-30) + ...$

As we know that

A geometric sequence has a constant ratio 'r' and is defined by

$a_n=a_1\cdot r^{n-1}$

$\mathrm{Compute\:the\:ratios\:of\:all\:the\:adjacent\:terms}:\quad \:r=\frac{a_{n+1}}{a_n}$

$\frac{15}{\left(-7.5\right)}=-2,\:\quad \frac{\left(-30\right)}{15}=-2$

$\mathrm{The\:ratio\:of\:all\:the\:adjacent\:terms\:is\:the\:same\:and\:equal\:to}$

$r=-2$

$\mathrm{The\:first\:element\:of\:the\:sequence\:is}$

$a_1=\left(-7.5\right)$

$a_n=a_1\cdot r^{n-1}$

$\mathrm{Therefore,\:the\:}n\mathrm{th\:term\:is\:computed\:by}\:$

$a_n=\left(-7.5\right)\left(-2\right)^{n-1}$

$a_n=-\left(-2\right)^{n-1}\cdot \:7.5$

$\mathrm{Geometric\:sequence\:sum\:formula:}$

$a_1\frac{1-r^n}{1-r}$

$\mathrm{Plug\:in\:the\:values:}$

$n=12,\:\spacea_1=\left(-7.5\right),\:\spacer=-2$

$=\left(-7.5\right)\frac{1-\left(-2\right)^{12}}{1-\left(-2\right)}$

$=-7.5\cdot \frac{1-\left(-2\right)^{12}}{1+2}$

$\mathrm{Multiply\:fractions}:\quad \:a\cdot \frac{b}{c}=\frac{a\:\cdot \:b}{c}$

$=-\frac{-30712.5}{1+2}$ ∵ $\left(1-\left(-2\right)^{12}\right)\cdot \:7.5=-30712.5$

$=-\frac{-30712.5}{3}$

$=\frac{30712.5}{3}$

$=10237.5$

Thus, S12 for geometric series: (-7.5) + 15 + (-30) + ... would be: 10237.5

5 0

3 years ago