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jok3333 [9.3K]
3 years ago
13

A wall that is 10 feet high and 20 feet long contains one ton of bricks.How many tons should be purchased to brick a wall that m

easures 1,800 square feet?
A. 8
B. 2,000
C.60
D.9
Mathematics
1 answer:
Akimi4 [234]3 years ago
5 0
Its D bc i dont know i needa fill space
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Situation:
FromTheMoon [43]

Answer:

5.6 days

Step-by-step explanation:

We are given;

Initial Mass; N_o = 25 g

Mass at time(t); N_t = 25/2 = 12.5 (I divide by 2 because we are dealing with half life)

k = 0.1229

Formula is given as;

N_t = N_o•e^(-kt)

Plugging in the relevant values;

12.5 = 25 × e^(-0.1229t)

e^(-0.1229t) = 12.5/25

e^(-0.1229t) = 0.5

(-0.1229t) = In 0.5

-0.1229t = -0.6931

t = -0.6931/-0.1229

t = 5.6 days

4 0
3 years ago
A fair coin is flipped four times. What is the probability of getting heads at least once?
Llana [10]
The probability is 15.63%. Solution:
 (1 + 4)! over (1! + 4! + 2 raise to 5)
=5/32
=.1563
=15.63%
6 0
4 years ago
Carole purchased 7/8 of a pound of chocolate chips to make cookies. On the way home from school she got hungry and ate 1/4 of th
AURORKA [14]
Answer is below..................

4 0
3 years ago
What type of correlation would you expect to see between the number of purchased and the amount of money saved?
goblinko [34]
A negative correlation
5 0
4 years ago
Number 17 please. Need to know how to take the info and make it into a slope intercept equation.
Oksi-84 [34.3K]

Answer:

y = 5x -15

Step-by-step explanation:

slope/y-int from = y =mx+b

slope = y2-y1/x2-x2

slope = 0--15 / 3-0

slope = 15 / 3

slope = 5

y-int = -15

y = 5x-15

7 0
3 years ago
Read 2 more answers
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