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Vinvika [58]
3 years ago
9

Help with 69 and 70 plzzz

Mathematics
2 answers:
Firdavs [7]3 years ago
8 0
3665 is not divisible by nine, as 3665/9 is 407.2222222.

5 boxes + 9 boxes = 14 boxes. 193 CDs + 108 CDs = 301 CDs. 301/14 = 21.5. This means that they do not divide evenly among the boxes.

TL;DR:

No

No
Jet001 [13]3 years ago
6 0
69.) No it's not because the rule for 9 is that you need to add the digits together which would equal to 20

70.) Melissa cant but Jennifer can because, you can divide 108 by 9 evenly but not 193 and 5
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I'm sorry for been so late.

Rational Numebers:  a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.  For example: 1,2,3,-1,-2,-3

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3 years ago
1. Suppose you pay back $680 on a $650 loan you had for 75 days. What was your simple annual interest rate?
harina [27]

well, let's assume a year has 365 days, so 75 days is simply 75/365 of a year.  We also know that your loan was $650 and you paid back $680 or namely 30 bucks extra, so the interest on those $650 is really 30 bucks.

~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &\$30\\ P=\textit{original amount deposited}\dotfill & \$650\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\to \frac{75}{365}\dotfill &\frac{15}{73} \end{cases} \\\\\\ 30 = (650)(\frac{r}{100})(\frac{15}{73})\implies 30=\cfrac{9750r}{7300}\implies 30=\cfrac{195r}{146}\implies 4380=195r \\\\\\ \cfrac{4380}{195}=r\implies \stackrel{\%}{22.46}\approx r

3 0
2 years ago
10/9 = 9/y<br> y= something<br><br> What is the y?
Leto [7]
\frac{10}{9} = \frac{9}{y} \ \ \ \ \ \ \ \ \ \ \ \ |\hbox{cross multiply} \\&#10;10 \times y=9 \times 9 \\&#10;10y=81 \ \ \ \ \ \ \ \ \ \ |\div 10 \\&#10;y=\frac{81}{10} \\ \\&#10;\boxed{y=\frac{81}{10}}
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3 years ago
Read 2 more answers
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