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mina [271]
3 years ago
15

Use the common denominator to find -2/3 + -4/5​

Mathematics
1 answer:
Svetlanka [38]3 years ago
5 0

Answer:

-22/15

Step-by-step explanation:

Okay, so, find a common multiple of 3 and 5. best way to find one is to multiply them. 3 x 5= 15. Now you have to make the numerators equivalent.

-2/3 = -10/15

-4/5 = -12/15

-10+-12=-22

Answer:-22/15

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What would the total account value be if i deposited 14,000 into a bank account earning 3.25% compounded quarterly for 4 years?
LUCKY_DIMON [66]
\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$14000\\
r=rate\to 3.25\%\to \frac{3.25}{100}\to &0.0325\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, thus four}
\end{array}\to &4\\
t=years\to &4
\end{cases}
\\\\\\
A=14000\left(1+\frac{0.0325}{4}\right)^{4\cdot 4}\implies A=14000(1.008125)^{16}
7 0
3 years ago
. Equilibrium: If the number of persons who attend the club meeting this week is X, then the number of people who will attend ne
Artyom0805 [142]

Answer:

100

Step-by-step explanation:

In economics, for a firm to earn optimum profits, it is important that it achieves a long run equilibrium. We can transfer the same to the case here that for the club to achieve optimum attendance, it must achieve long- run equilibrium attendance.

The condition for Long Run Equilibrium is that:

Club meeting attendance this week = Club meeting attendance next week

X = 80 + 0.20X

X - 0.20X = 80

X = 80/0.8

X = 100.

The long- run equilibrium attendance for this club is 100.

5 0
4 years ago
Translate each expression.a) Eleven less than the product of a number and negative four.b) The sum of seven and the quotient of
geniusboy [140]

Step 1

Given; Word problems to translate to mathematical expressions

A) Let the number be x

\begin{gathered} Product\text{ of x and -4=-4x} \\ Eleven\text{ less than the product of -4x is -4x-11} \\ Required\text{ equation; -4x-11} \end{gathered}

B) Let the number be y

\begin{gathered} Th\text{e quotient of a number and eight=}\frac{y}{8} \\ Sum\text{ of this quotient=7+}\frac{y}{8} \end{gathered}

C) Let the number be c

\begin{gathered} The\text{ quotient of a number and 5=}\frac{c}{5} \\ Four\text{ less than this quotient=}\frac{c}{5}-4 \end{gathered}

6 0
2 years ago
#9 please help me it is so hard
navik [9.2K]

Answer:

Step-by-step explanation:

What aremmyou talking a out

5 0
4 years ago
Read 2 more answers
You have just arranged for a $1,560,000 mortgage to finance the purchase of a large tract of land. the mortgage has an apr of 5.
seraphim [82]
P=1560000
APR=5.6%
monthly interest, i=5.6%/12=7/1500  [fractions keep exact values]
R=1+i=1+7/1500
# of periods, n=30 years = 360 periods
monthly payment, A
A=PR^n(i)/(R^n-1)
=1560000*(1+7/1500)^360*(7/1500)/((1+7/1500)^360-1)
=$8955.632

At the end of eight years,
number of periods, n1 = 8*12 = 96

If paid off at the end of 8 years, value of loan then
future value of principal
F1=PR^n1=1560000*(1+7/1500)^96=2439135.635
future value of payments
F2=A(R^n1-1)/i=8955.632*(1+7/1500)^96-1)/(7/1500)=1081485.620
Therefore the balloon payment
= future value of principal (owing) - future value of payments (paid)
=F1-F2
=2439135.635-1081485.620
=1357650.0152
Round to two places after decimal to get final answer.
3 0
3 years ago
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