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Stels [109]
3 years ago
5

Val returned a bicycle while she was on vacation. She paid a flat rental fee of $55.00 plus $8.50 each day. The total cost was $

123. How many days did she rent the bicycle?
Mathematics
1 answer:
andrew-mc [135]3 years ago
6 0

Answer:

8 days

Step-by-step explanation:

The total cost includes $55 flat rental fee which is one time cost only as not given everyday so we subtract it from $123 and divide $(123-55) with per day cost that is $8.50 which gives 8 as answer so Val spent 8 days on vacation.

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Factor completely 3x^2+9x-3<br>3(x^2+3)<br>3(x^2+3-1)<br>3x(x^2+3x-1)<br>prime​
Firdavs [7]

Answer:

Answer from the answer data to choose from

<h2>3(x² + 3x - 1)</h2>

Factor completely

3\left(x+\dfrac{3-\sqrt{13}}{2}\right)\left(x+\dfrac{3+\sqrt{13}}{2}\right)

Step-by-step explanation:

3x^2+9x-3=(3)(x^2)+(3)(3x)-(3)(1)\\\\=(3)(x^2+3x-1)\\\\\text{For}\ x^2+3x-1\ \text{use the quadratic formula}\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x^2+3x-1\to a=1,\ b=3,\ c=-1\\\\x=\dfrac{-3\pm\sqrt{3^2-4(1)(-1)}}{2(1)}=\dfrac{-3\pm\sqrt{9+4}}{2}=\dfrac{-3\pm\sqrt{13}}{2}=-\dfrac{3\pm\sqrt{13}}{2}\\\\3x^2+9x-3=3\left(x+\dfrac{3-\sqrt{13}}{2}\right)\left(x+\dfrac{3+\sqrt{13}}{2}\right)

4 0
3 years ago
Explain how to use a number line to model the equation -5 +3. Then determine its sum.
neonofarm [45]
Go from +3 on the number like and move to the left 5 times that would put you on the number -2.

So -5+3=-2
3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST ANSWER!!!!
salantis [7]
6x=shelia total deposit
<span> <span> </span> 5y=sherri total
</span><span> <span> </span> sheri is 10 more than shelia so
</span><span> <span> </span> y=10+x
</span><span> <span> </span> and also they deposed same amount total
</span><span> <span> </span> 6x=5y
</span><span> <span> </span> 6x=5(10+x)
</span><span> <span> </span> 6x=50+5x
</span><span> <span> </span> minus 5x both sides
</span><span> <span> </span> x=50
</span><span> <span> </span> y=10+x
</span><span> <span> </span> y=10+50
</span><span> <span> </span> y=60
</span> <span> </span> shelia deposits $50 each and sherri deposits $60 each
50*6=300
60*5=300
300=300



ok answer to questions

Write an equation. Let x represent the amount of one of Sheila’s deposits. and y is the other one, 5x=6y, y=10+x
⦁ Solve the equation. Show your work. see above
⦁ Check your solution. Show your work.
⦁ State the solution in complete sentences. Shelia deposited $50 each time, Sherri deposited $60 each time



5 0
4 years ago
Read 2 more answers
I need help please help me
Natalija [7]

Answer: D

Step-by-step explanation:

It shows the bar going left, meaning its going higher, and we only marked 2

7 0
3 years ago
Read 2 more answers
during a 20%of sale,the sale price of an mp3 alarm clock was 35.96 what was the regular price of the radio
babymother [125]
If 20% was taken off, that means that 35.96 is 80% of the original price.
35.96 = \frac{80}{100}
Now, we just need to put it into fractions, cross multiply, and divide to find the original price.
\frac{35.96}{1} = \frac{80}{100}  \&#10;
35.96×100 = 3596
1×80 = 80
3596÷80 = 44.95
Now, to make sure, we multiply 44.95 by 20%,
44.95×0.20 = 8.99
Subtract that from 44.95
44.95-8.99 = 35.96
That is the sale price of the alarm clock.
This means that yes, the regular price of the mp3 alarm clock was
$44.95
6 0
3 years ago
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