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Sedaia [141]
3 years ago
8

I need help with 9 12 15

Mathematics
2 answers:
n200080 [17]3 years ago
8 0
I hope this helps you

djverab [1.8K]3 years ago
6 0
Number 9 is 21, number 12 is -7, number 15 is 3
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A large snowfall of 45 inches fell on Buffalo if one third of the snow melts each day, how much snow will remain
Crank

Answer:

Step-by-step explanation:

45/3=15

15" of snow melts each day, so after day 1 30" of snow will remain, after day 2 15" will remain and after day 3 all snow will be gone.

5 0
3 years ago
If f(x)=x+7 and g(x)=1/x-13, what is the domain of (f o g)(x)
astra-53 [7]
(f o g)(x) = 1/(x - 13)  +7
domain of the function is all real x except x = 13
8 0
3 years ago
16n2 – 10n – 5 = 6n<br> Solve the equation for all real solutions
sergiy2304 [10]

Answer:

n=5/4 or n=-1/4

Step-by-step explanation:

16n^2 - 10n-5=6n

16n^2-16n-5=0

(4n)^2-2.4n.2+2^2 = 2^2 + 5

(4n- 2)^2=9

4n-2 = 3 or 4n-2=-3

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3 0
3 years ago
A bag contains 8 black marbles, 16 white marbles, 14 red marbles, and 10 green marbles. A marble is drawn at random from the bag
DiKsa [7]

<em>Total marbles:</em> 8 + 16 + 14 + 10 = 48

<em>Marbles that are not white:</em> 48 - 16 = 32

<em>Probability it will not be white:</em> 32/48 = 2/3

3 0
3 years ago
Read 2 more answers
bill spent $19 at starbucks on a coffee and some cookies. if the coffee cost $5 each cookie cost $2, how many cookies did he buy
Nataliya [291]

Answer:

this is easy. we know that he spent $19 total, 1 coffee that costed $5, and that each cookie costs $2. all you have to do is subtract 5 from 19 and divide the remaining amount of money (14) by 2. this makes 7 the amount of cookies Bill bought.

6 0
3 years ago
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