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Digiron [165]
3 years ago
12

You need to arrange eight of your favorite books along a small shelf. How many different ways can you arrange the​ books, assumi

ng that the order of the books makes a difference to​ you?
Mathematics
1 answer:
satela [25.4K]3 years ago
3 0

Answer: 40, 320 ways

8!= 8*7*6*5*4*3*2*1

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Given the following​ function, find f(−5), f(0), and f(4). f(x)=x2+5
bulgar [2K]

Answer:

30, 5 , 21

Step-by-step explanation:

substitute the values of x into f(x) , then

f(- 5) = (- 5)² + 5 = 25 + 5 = 30

f(0) = 0² + 5 = 0 + 5 = 5

f(4) = 4² + 5 = 16 + 5 = 21

6 0
2 years ago
Which of the following terms can be combined in this expression? -13 - x/5 + 6.2y + 20.5x - 3/8y
dsp73
C. 6.2g can be combined with -3/8y. This is because they both end in ‘y’.
3 0
3 years ago
Read 2 more answers
The difference of a number and 6 is the same as 5 times the sum of the number and 2. What is the number?
S_A_V [24]

Step-by-step explanation:

Lets consider the unknown number as x

according to the question,

6-x= 5(x+2)

6-x= 5x+10

-x-5x=10-6

-6x=4

x=4/-6= 2/-3

x= -2/3

<em>hope this helps </em>

<em>please mark me as brainliest.</em>

6 0
2 years ago
Theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests. What is the lowest score she can get on t
Yanka [14]
So u will do 88+84=172+88=260+91=351 and that is all four tests added up now u have to divide the answer by 4 because it was four tests averages
351/4=87.75 wich is aproxamately 88 
so with all four of them added wich is 351 u will add the answer choices so 351+96=447/5=89.4 wich is aproxamately 89
351+97=448/5=89.6 wich is aproxamately 90
351+98=449/5=89.8 wich is aproxamately 90
351+99=450/5=90
so i would say that 99 points is the one she needs to score because it isnt asking for aproxamately 
so it is 99 points
6 0
3 years ago
Read 2 more answers
PLEASE HELP TEST DUE IN 10 MINUTES WILL GIVE BRAINLIEST AND GOOD REVIW!
Eva8 [605]

Answer:

y=3/2(x)+4

Step-by-step explanation:

Because line AB is perpendicular to line BC, the slope of AB is equal to 3/2. Substituting (-2,1) into the new equation gives us "1=3/2(-2)+b" which simplifies to 1=-3+b. This means that b=4.

6 0
3 years ago
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