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2 years ago

Is morgan hall cool because i dont

Mathematics

1 answer:

klemol [59]2 years ago

4 0

Answer:

Step-by-step explanation:

what?

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Anna and kim shared 49 jellybeans in the ratio 3:4.Howw many jellybeans did kim receive

lina2011 [118]

Solution - 49 jellybeans divided by 7 for the ration purposes = 7 so 1/7 the ratio is 7
Therefore Kim having 4/7 is 4 X 7

Answer - 28

4 0

3 years ago

You are given that<br> 4a-2b = 10<br> (a)<br> Write down the value of<br> 2a - b

Simora [160]

Answer:

2a - b = 5

Step-by-step explanation:

4a - 2b = 10

take out the highest common factor of the left side

2(2a - b) = 10

divide both sides by two

2a - b = 10/2

2a - b = 5

6 0

3 years ago

MUSTONENTS

VMariaS [17]

Answer:

15 quarters

Step-by-step explanation:

15 quarters = $3.75

21 dimes = $2.10

15 + 21 = 36 coins

3.75 + 2.10 = 5.85

4 0

3 years ago

If you need $8000 to travel to Europe after you graduate in 4 year. How much would your monthly deposits need to be if your acco

lina2011 [118]

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

$\bf \qquad 
\begin{cases}
A=
\begin{array}{llll}
\textit{accumulated amount}\\
\end{array}\to &
\begin{array}{llll}
8000
\end{array}\\
pymnt=\textit{periodic payments}\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{monthly, thus twelve}
\end{array}\to &12\\
t=years\to &4
\end{cases}$

$\bf 8000=pymnt\left[ \cfrac{\left( 1+\frac{0.05}{12} \right)^{12\cdot 4}-1}{\frac{0.05}{12}} \right]
\\\\\\
\cfrac{8000}{\left[ \frac{\left( 1+\frac{0.05}{12} \right)^{12\cdot 4}-1}{\frac{0.05}{12}} \right]}=pymnt\implies \cfrac{8000}{\frac{\left( \frac{241}{240} \right)^{48}-1}{\frac{1}{240}}}=pymnt
\\\\\\
\cfrac{8000}{53.0148852}\approx pymnt\implies 150.9010152318\approx pymnt$

6 0

3 years ago

A video game that normally sells for $80 is on sale for $68. What is the percent of discount for the sale price?

Snezhnost [94]

Answer:

Step-by-step explanation:

68 - 80 / 80

= - 12 / 80

= - 3 / 20

= - 15%

4 0

2 years ago