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Pavlova-9 [17]
4 years ago
8

What is $8.99 rounded to the nearest cent

Mathematics
2 answers:
DerKrebs [107]4 years ago
8 0

$9.00 would be your answer


Tip: If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up and if the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down.

Oksana_A [137]4 years ago
8 0

$9, round up the decimal!

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Alex787 [66]

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4 years ago
Harry drove 2 hours on the freeway then decreased his speed by 20mph and drove 6 more hours. total trip was 352 what was his spe
poizon [28]
Recall your d = rt, distance = rate * time

we know the total trip was 352miles, so, let's say he was going for the first 2hrs at "r" speed, he went "d" miles, then he slowed down to "r - 20" and went 6 more hours, since the total trip is 352 miles, the 6hrs take the slack from 352 - d, and that's how many miles he covered on those 6hours

\bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
\textit{before slowing}&d&r&2\\
\textit{after slowing}&352-d&r-20&6
\end{array}
\\\\\\

\begin{cases}
\boxed{d}=2r\\
352-d=(r-20)6\\
----------\\
352-\boxed{2r}=(r-20)6
\end{cases}

solve for "r".
7 0
4 years ago
Convert the Cartesian equation 2xy = 1 to a polar equation.
GuDViN [60]
\bf \textit{Double Angle Identities}
\\\\
sin(2\theta)=2sin(\theta)cos(\theta)\\\\
-------------------------------\\\\
\begin{cases}
x=rcos(\theta )\\
y=rsin(\theta )
\end{cases}\qquad 2xy=1\implies 2rcos(\theta )rsin(\theta )=1
\\\\\\
r^2\cdot 2cos(\theta )sin(\theta )=1\implies r^2\cdot sin(2\theta )=1
5 0
3 years ago
Two supplementary angles have the same measurements of 2x - 8 and 8x - 12. What is the measurement of the largest angle?
jek_recluse [69]
Supplementary angles add up to 180 degrees.
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Angle 1 = 32
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Hope this helps =)
7 0
3 years ago
What is the Measure of angle PQR? PLEASE HELP ASAP DUE TODAY AND I HAVE NO IDEA HOW TO DO THIS!!
tangare [24]

Answer:

55°

Step-by-step explanation:

Remember:

-  A flat angle is 180°

- The sum of the angles in a triangle is 180°

7 0
3 years ago
Read 2 more answers
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