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3 years ago

9

PLEASE HELP!! FAST 20 POINTS

1 answer:

Mademuasel [1]3 years ago

6 0

Total money= £14,713.11

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What can be added to -1 so it can be a positive 1?

Tanzania [10]

So represent missing number with x
x means unknown so
x+-1=+1
adding a negative means subtraction
x-1=1
you can do anything to an equation as long as you do it to both sides
add 1 to both sides
x+1-1=1+1
x+0=2
x=2

the number is 2

8 0

3 years ago

Find S5 for a geometric series for which a1=81 and r=1/9.

Minchanka [31]

ANSWER

$S_5=91\frac{10}{81}$

EXPLANATION

The sum of the first $n$ terms of a geometric sequence is given by;

$S_n=\frac{a_1(1-r^n)}{1-r} ,-1$

Where $n$ , is the number of terms and $a_1$ is the first term.

When $n=5$ , we have $a_1=81$ , we get;

$S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}$

$S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}$

$S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}$

$S_5=\frac{7381}{81}$

$S_5=91\frac{10}{81}$

6 0

3 years ago

Is 19 equal to 4.358

AURORKA [14]

Answer:

No

Step-by-step explanation:

19=19 and 4.358=4.358

7 0

3 years ago

The following information is known about a loan. Time = 8 years Interest rate = 14% Principal = $1,010 What is the total amount

nadya68 [22]

❤ <em>Hey There!! ❤</em>

<em>The answer is below!!</em>

----------------------------------------------------------------------------------------------------

Step-by-step explanation:

$1010$ x $14$ ÷ $100$ x $8$ = $ $1131.2$ $or$ $1,131.20

<em>P.S </em><em>Tell me if this is wrong...</em>

$GoodLuck!!$

# $Be$ $Bold$

# $LearnWithBrainlyAlways$

$_{Loserbrazts}$

7 0

3 years ago

Read 2 more answers

9.12cm<br> 10.36cm<br> 11.34cm<br> 12.61cm

Vinvika [58]

Tan80 = QR / RS
QR = 5.67 (2)
QR = 11.34

answer

<span>11.34cm</span>

8 0

3 years ago