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Vedmedyk [2.9K]

3 years ago

9

EASY MATH PLS HELP ASAP

1 answer:

Leviafan [203]3 years ago

3 0

Answer:

27

Step-by-step explanation:

18 years ago she was 9 and 9 x 3 is 27

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(8,1) and (x,3) The pair of points is on the graph of an inverse variation. Find the missing value.

Gelneren [198K]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf (\stackrel{x}{8},\stackrel{y}{1})\textit{ we know that }
\begin{cases}
x=8\\
y=1
\end{cases}\implies 1=\cfrac{k}{8}\implies 8=k
\\\\\\
therefore\qquad \boxed{y=\cfrac{8}{x}}
\\\\\\
(x,\stackrel{y}{3})\textit{ when y = 3, what is \underline{x}?}\qquad 3=\cfrac{8}{x}\implies x=\cfrac{8}{3}$

3 0

4 years ago

HELP IN TEST PLZ BRAINLY PLZ

Bingel [31]

Answer:

alligator mator

Step-by-step explanation:

5 0

3 years ago

Hi please help me no links thank you

olya-2409 [2.1K]

Step-by-step explanation: (I'm not gonna' do it <em>all</em> for you tho)

to convert from <u>percent to fraction</u>:

70% = $\frac{70}{100} =\frac{7}{10}$

to convert from <u>fraction to percent</u>:

$\frac{11}{20}=\frac{55}{100}$ = 55%

to convert from <u>fraction to decimal</u>:

$\frac{3}{25} =\frac{12}{100} =0.12$

to convert from <u>decimal to fraction</u>:

$1.25=\frac{125}{100} =1\frac{25}{100} =1\frac{1}{4}$

to convert from <u>percent to decimal</u>:

0.2% = $\frac{0.2}{100} =0.002$

to convert from <u>decimal to percent</u>:

$0.4= (0.4*100)$ % = 40%

With that, you can solve the rest on your own

4 0

3 years ago

together Xavier,Yolanda,and Zachary have $4.44 . if each person has the same amount , how much money does each person have?

Anarel [89]

$1.48 because $4.44 divided by 3 equals $1.48

4 0

3 years ago

Read 2 more answers

QUESTION 3<br><br> Find the interest. Round to the nearest cent.<br><br> $1850 at 8% for 14 months

Genrish500 [490]

Answer:

$I=\$172.67$

Step-by-step explanation:

we know that

The simple interest formula is equal to

$I=P(rt)$

where

I is the Interest Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=14/12\ years\\ P=\$1,850\\r=0.08$

substitute in the formula above

$I=1,850(0.08(14/12))$

$I=\$172.67$

3 0

3 years ago