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Evgen [1.6K]
2 years ago
8

Pls help me ASAP!! Which expression represents "subtract a number, n, from 10 then multiply by nine cubed"?

Mathematics
1 answer:
Ksivusya [100]2 years ago
5 0
The answer would be:  "  (10 <span>− n) </span>×  9³  " .
_______________________________________________________
     If there are specific answer choices from which to choose, please comment and to let me know, and I can provide a "specific" answer.
_______________________________________________________
    Hope this helps!
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Macy bought a total of 12 fiction and non-fiction books. The fiction books cost $12 each and the
Masja [62]

Answer:

fiction books = 4

non fiction books = 8

non fiction books are twice fiction books.

Step-by-step explanation:

let number of fiction books be X so

non fiction books will be 12-X

12X + 25(12-X) = 248

12X -25X = -53

X = 4( fiction books)

12-4 = 8 (non fiction)

4 0
2 years ago
⦁ Find the sum of the series . 15 sigma n=1, (2n-1) Show your work
sergejj [24]

Answer:

225

Step-by-step explanation:

The sum of this series is given by the formula:

S_n=\frac{n}{2}[2a+(n-1)d]

Where

S_n is the sum

a is the first term (we get this by plugging in n = 1 into "2n-1", we have 2(1) - 1 = 1)

n is the number of terms (the sum is defined for n = 1 to n = 15, so 15 terms)

d is the common different (the difference is successive terms. Here, 2nd term would be 2(2) - 1 = 3, and first term was 1, so d = 3 -1 = 2)

<em>plugging in the info, we will get the sum:</em>

<em>S_n=\frac{n}{2}[2a+(n-1)d]\\S_{15}=\frac{15}{2}[2(1)+(15-1)(2)]\\=225</em>

<em>The sum is 225</em>

4 0
3 years ago
You give 1/2 up a $46,000 salary to go back to school for 5 years. The total cost for going to school is $22,000. How much money
Ket [755]

The individual needs to earn $74,750 salary per year in order to recover the investment in 4 years.

What salary amount makes the individual as they were without a salary cut?

By the time the individual resumes back for work after 5 years, they need to earn their previous salary of $46,000 and recover the lost salaries, which is half of $46,000 lost in the last 5 years.

Total salaries lost=1/2*$46,000*5years

Total salaries lost=$115,000

Because the salaries lost needs to be recovered over 4 years, the extra earnings over and above the $46,000 in 4 years is the total salaries lost divided by 4 years

extra salary per year=$115,000/4

extra salary per year=$28,750

Total salary now=prior salary+ extra salary per year

Total salary now=$46,000+$28,750

Total salary now=$74,750

Find out more about investment payback on:brainly.com/question/23149718

#SPJ1

4 0
1 year ago
Ex) A nursery plants a new tree and attaches a guy wire to help support the tree
o-na [289]

Answer:

d =   5,35 ft

Step-by-step explanation: See annex

Figure in  annex is clear,  

sin ∠42⁰  = d / 8

And

sin ∠42⁰   =  0.669

d/8   =  0,669

d  =  0,669*8  

d =   5,35 ft

8 0
3 years ago
Read 2 more answers
It costs 9.95 for 1 ticket to the movies. If 3 people go, how much would the total price of 3 tickets be?
SIZIF [17.4K]

It would be $9.95 x 3

4 0
2 years ago
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