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icang [17]
3 years ago
13

10b^3 + 15b^2 - 12b - 18

Mathematics
1 answer:
HACTEHA [7]3 years ago
8 0

Answer:

(2b+3) (5b^2-6)

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PLEASE HELP
katovenus [111]

<u>Answer:</u>

$593.26

<u>Step-by-step explanation:</u>

We know that the price of the laptop is $2500 and each year its resale value decreases by 25%. It means that 100 - 25 = 75% of the value is retained every year for the resale.

So, the resale value for 1st year = \frac{75}{100} *2500 = $1875

for 2nd year =  \frac{75}{100} *1875 = $1406.25

for 3rd year =  \frac{75}{100} *1406.25 = $1054.7

for 4th year =  \frac{75}{100} *1054.7 = $791.01

for 5th year =  \frac{75}{100} *791.01 = $593.25

Or we can use the following formula to find its resale value after 5 years:

2500*(0.75)^5 = $593.26

4 0
3 years ago
Rebecca buy some scarves that cost five dollars each and two purses that cost 12 each The cost Rebecca’s total purchase is $39 w
Fittoniya [83]

Answer:

d.

Step-by-step explanation:

First, you want to add together the amount of money she spent on purses ($24), and then consider the amount of scarves (5+n). To solve, you would subtract 24 from 39, and then divide that answer by 5

4 0
3 years ago
Of the 12 temporary employees in a certain company, 4 will be hired as permanent employees. If 5 of the 12 temporary employees a
Aliun [14]

Answer:

70 groups

Step-by-step explanation:

5c_{3}*7c_{1}

=\frac{5*4*3}{3*2*1} *\frac{7}{1} \\=70

3 0
3 years ago
Tom earns 12$ a week mowing lawns he spends 1/4 of his earnings on lunch and 1/2 of his earnings on music. He saves the rest. Ho
densk [106]

3$

Step-by-step explanation:

12$-(12$:4+12$:2)=12$-(3$+6$)=12$-9$=3$ Hope this helped!

4 0
3 years ago
If sin ⁡x=−1/2, and 270° * <br> If 180°&lt;θ&lt;270°, and sin⁡θ=−3/4, what is the value of sin(−θ)?
dolphi86 [110]

Answer:

For each of the three basic trig functions, (sin, cos, tan) there are three more which act as their reciprocals. (csc, sec, and cot respectively)


Reciprocals, of course, are flipped fractions. If you have some number x, the reciprocal can be expressed as .


An important property of reciprocals is that if you mutliply them together they will cancel out--take  for example.


Since secӨ is literally defined as the reciprocal of cosӨ, it is evident that



Read more on Brainly.com - brainly.com/question/505406#readmore

Step-by-step explanation:


3 0
3 years ago
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