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Stells [14]
4 years ago
11

Can someone help me please

Mathematics
2 answers:
leonid [27]4 years ago
6 0
The awnser is to the question is D.
faust18 [17]4 years ago
3 0
The answer is D, i hope to have helped you
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Diana invested $3000 in a savings account for 3 years. She earned $450 in interest over that time period. What interest rate did
Talja [164]

\bf ~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$450\\ P=\textit{original amount deposited}\dotfill & \$3000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &3 \end{cases} \\\\\\ 450=3000\left( \frac{r}{100} \right)(3)\implies 450=\cfrac{3000\cdot 3}{100}r \\\\\\ 450=90r\implies \cfrac{450}{90}=r\implies 5=r\implies \stackrel{\textit{in decimal}}{0.05=r}

4 0
3 years ago
If 3 vases cost m dollars and each one has an additional 5% sales tax what is the total cost
IrinaK [193]
You would use the equation 3m+.05 to find the total cost.

Hope this helps!!
4 0
3 years ago
Write the equation of the line in slope-intercept form.
Alex Ar [27]
The answer is B.
Slope-intercept line is written as:
y=mx+b
m=slope
b=y-intercept
4 is the y-intercept because the line crosses the y-axis at 4.
The slope is -2 over 5, because slope is written as y over x.
So, if you start at the point at the 4, count 2 spaces down and 5 spaces right. The line crosses the point exactly, which is how you know the slope is accurate.
5 0
3 years ago
Another friend, with a mass of 75 kg, wants a push on the swing. How much force will
NeX [460]

Answer:

735N

Step-by-step explanation:

According to Newton's second law;

Force = mass * acceleration due to gravity

'

Given

Mass = 75kg

Acceleration = 9.8m/s^2

Substitute into the formula;

F = 75 * 9.8

F = 735N

Hence the force required is 735N

6 0
3 years ago
Solve the inequality: 3p - 16 < 20
Alekssandra [29.7K]

Isolate the p. First, add 16 to both sides

3p - 16 (+16) < 20 (+16)

3p < 36

Next, isolate the p. Divide 3 from both sides

3p/3 <36/3

p < 12

p < 12 is your answer

hope this helps

4 0
3 years ago
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