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olya-2409 [2.1K]
2 years ago
9

✨a Pls help I will park you as brainlist promise ✨✨

Mathematics
2 answers:
Ivan2 years ago
7 0

Answer:

answer is A

Step-by-step explanation:

8/3 =   2.66666 (about 3) miles an hour

You want to find miles per an hour as the unit rate, so divide the total miles CJ walks by how long it took him

Hope this helps! :))

svlad2 [7]2 years ago
4 0
A. I am pretty sure that is right
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Hi today im going to be giving a -lot of point so if u dont get points dont worry cuz im going to be doing 5 times.
oksian1 [2.3K]

Answer:

EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

Thanks So MUCH!!!

Step-by-step explanation:

6 0
2 years ago
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Question 3 of 5 How many solutions does 6 + = -5 - Lo have? 31 10 ? O A. One solution O B. Infinitely many solutions O C. Two so
GrogVix [38]

Answer:

En la Imagen adjunta

Step-by-step explanation:

Toca Para Abrir Imagen

Espero haberte ayudado si es así dame Corona

5 0
2 years ago
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The half-life of cesium-137 is 30 years. Suppose we have a
VMariaS [17]
(a) If y(t) is the mass (in mg) remaining after t years, then y(t) = y(0) e^{kt}=100e^{kt}.

y(30) = 100 e^{30k} = \frac{1}{2}(100) \implies e^{30k} = \frac{1}{2} \implies k = -(\ln 2) /30 \implies \\ \\
y(t) = 100e^{-(\ln 2)t/30} = 100 \cdot 2^{-t/30}

(b) y(100) = 100 \cdot 2^{-100/30} \approx \text{9.92 mg}

(c)
100 e^{- (\ln 2)t/30} = 1\ \implies\ -(\ln 2) t / 30 = \ln \frac{1}{100}\ \implies\ \\ \\
t = -30 \frac{\ln 0.01}{\ln 2} \approx \text{199.3 years}
 
3 0
3 years ago
Someone plz help e with this math question and quickly
Brilliant_brown [7]

To solve this problem, work out the problem normally as if the "≥" is "=".

3.1v - 1.4 ≥ 1.3v + 6.7

-1.3v         -1.3v

________________

1.8v - 1.4 ≥ 6.7

       +1.4   +1.4

________________

1.8v ≥ 8.1

___   ___

1.8     1.8

v ≥ 4.5, is the answer.

6 0
2 years ago
In 60 seconds, a turtle’s heart beats 20 times. To find the amount of time between heartbeats, what should you do?
Mars2501 [29]

Answer:

1 heart beat every 3 seconds

Step-by-step explanation:

60 seconds

20 heartbeats

60/20=3

So 1 every 3 second

3 0
3 years ago
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