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xeze [42]
4 years ago
5

Which of the following is not a rational number?

Mathematics
2 answers:
IgorLugansk [536]4 years ago
8 0
If I am sure the answer is D
mestny [16]4 years ago
4 0
I am positive the answer is d. Hope that helps.
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Soon after taking an aspirin, a patient has absorbed 320 mg of the drug. after 3 hours, only 40 mg remain. find an exponential m
Anastaziya [24]
The equation will be of the form:
A(t)= A_{0} e^{rt}
where A is the amount after t hours, and r is the decay constant.
To find the value of r, we plug the given values into the equation, giving:
40=320e^{3r}
Rearranging and taking natural logs of both sides, we get:
ln\ 0.125=3r
r=\frac{ln\ 0.125}{3}=-0.693
The required model is:
A=A _{0} e^{-0.693t}
3 0
3 years ago
isabella is covering a square tabletop with square mossaic tiles.the tabletop is 2ft. long and 2ft.wide.each tile is 1/4 in.long
Hunter-Best [27]
Convert the feet to inches first.  2 ft = 24 inches.  We must divide this total length by the length of each tile to determine how many tiles will fit across the tabletop:

24 ÷ (1/4) = (24/1) ÷ (1/4) = (24/1) × (4/1) = 96/1 = 96

96 tiles will fit across the tabletop.
Since the tabletop is as long as it is wide, that means we will have 96 rows of 96 tiles:
96(96) = 9,216 tiles to cover the tabletop.
5 0
4 years ago
There are 115 students in a music club 73 of them are girls what is the ratio of the number of boys and girls
REY [17]

Answer:

73:42

Step-by-step explanation:

1115-73=42

G : B

73 : 42

8 0
3 years ago
Please help! The length of a rectangle is 3 less than 4 times the width. The perimeter is 34. Find the length and width of the r
Inga [223]

Length (L): 4w - 3

width (w): w

Perimeter (P) = 2L + 2w

                 34 = 2(4w - 3) + 2(w)

                 34 = 8w - 6 + 2w

                 34 = 10w - 6

                 40 = 10w

                   4 = w

Length (L): 4w - 3   = 4(4) - 3   = 16 - 3   = 13

Answer: width=4, length = 13

3 0
3 years ago
A jet flies 3,360 miles from New York to Paris in about 2.7 hours. About how many hours would the jet take to fly 5,687 miles fr
g100num [7]
It's takes about 4.6 hours if your rounding it to the nearest tenth
4 0
4 years ago
Read 2 more answers
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