3 years ago

You can add ________ without changing either fraction's denominator.

Mathematics

2 answers:

horrorfan [7]3 years ago

6 0

Answer:

D I believe (so 2/5 and 3/5)

PolarNik [594]3 years ago

4 0

Answer:

Step-by-step explanation:

Because D has same dominator and you don’t change dominator when adding fractions

Hope this helps.

Mark brainliest if it help.

You might be interested in

Student needs $1,000 in 4 years what mushy invest today if her investment earns 4% annual interest compounded quarterly

viva [34]

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

$\bf \qquad 
\begin{cases}
A=
\begin{array}{llll}
\textit{ amount}\\
\textit{already compounded}
\end{array}\to &
\begin{array}{llll}
1000
\end{array}\\
pymnt=\textit{periodic payments}\to &p\\
r=rate\to 4\%\to \frac{4}{100}\to &0.04\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, means 4 times}
\end{array}\to &4\\

t=years\to &4
\end{cases}$

solve for "pymnt"

5 0

3 years ago

a table that originally cost $196 is on sale for $160.00. What is the percent of decrease, rounded to the nearest tenth?

AfilCa [17]

Hmmm.. I solved it and got 82%. I may be wrong, but try it out.

8 0

3 years ago

Read 2 more answers

Will mark brainliest if correct

lord [1]

Answer:

$mean = \frac{9 + 4 + 4 + 1 + 0 + 6 + 4}{7} = \frac{28}{7} = 4$

$mean \: deviation = \frac{ |9 - 4| + |4 - 4| + |4 - 4| + |1 - 4| + |0 - 4| + |6 - 4| + |4 - 4| }{7} = \frac{5 + 0 + 0 + 3 + 4 + 2 + 0}{7} = \frac{14}{2} = 7$