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Bumek [7]
2 years ago
6

Alan borrowed $570 for a new bed. He made 9 monthly payments to repay the loan. He

Mathematics
1 answer:
stepladder [879]2 years ago
4 0

~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &\$45\\ P=\textit{original amount deposited}\dotfill & \$570\\ r=rate\to r\%\to \frac{r}{100}\\ t=months\dotfill &9 \end{cases} \\\\\\ 45 = (570)(\frac{r}{100})(9)\implies \cfrac{45}{(570)(9)}=\cfrac{r}{100}\implies \cfrac{1}{114}=\cfrac{r}{100} \\\\\\ \cfrac{100}{114}=r\implies \stackrel{\%}{0.88}\approx r

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Daud bought a plot of land with an area of 6 2/5 km. He divided the land equally into 8 small plots. What was the total area of
bezimeni [28]

Answer: \dfrac{12}{5}\ km^2

Step-by-step explanation:

Given

The area of land is 6\frac{2}{5}\ km^2

Daud divide the land into 8 equal plots

So, the area of a single small plot is  

\Rightarrow \dfrac{\dfrac{30+2}{5}}{8}\\\\\Rightarrow \dfrac{32}{5\times 8}\\\\\Rightarrow \dfrac{4}{5}\ km^2

The area of three such plots

\Rightarrow 3\times \dfrac{4}{5}\\\\\Rightarrow \dfrac{12}{5}\ km^2

3 0
3 years ago
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Nata [24]
The answer is choice b:Spread
4 0
3 years ago
Read 2 more answers
The function f(x)=−3x+2 is defined over the domain −1
DENIUS [597]

Answer:

Yes.

Step-by-step explanation:

f\left(x\right)=-3x+2

f\left(-1\right)=-3(-1)+2

y=f(-1)=5

The domain of this function is all Real numbers \:\left(-\infty \:,\:\infty \:\right)

\{x \in \mathbb{R}: -\infty \:

7 0
2 years ago
How would you solve this?
gulaghasi [49]

Answer:

Step-by-step explanation:

Find the slope = -2/1

Find the y-intercept = 5

Go to graph

put a dot at (0,5)

since it's a negative slope you will go up 2 and left 1

draw your line

_________________________________________________

Find the slope = 3/1

Find the y-intercept = 0

go to graph

Put a dot at (0,0)

Since it is a positive slope you will go down 3 and left 1.

To find the slope and y-intercept use this formula=

y=mx+b

m=slope

b=y-intercept

I'm sorry I don't know how to do a check equation for these.

3 0
3 years ago
Help Would Be Greatly Appreciated :)
aliina [53]

Answer:

n is y=\frac{1}{2}x+b, p is y=\frac{1}{2}x-5, and r has infinitely many different lines that have this property.

Step-by-step explanation:

If two lines have no solutions, that means that they are parallel. The slopes of two lines are the same if they are parallel. So n's slope is \frac{1}{2}. The y-intercept can be anything except -5, or +b. If two lines have infinitely many solutions, those two lines are exactly the same. So p is just m. If two lines have one and only one solution, that just means the slopes and y-intercepts are different. Since we don't know anything else about line r, we an't model an equation for it.

4 0
3 years ago
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