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Tomtit [17]
3 years ago
12

Delilah does 184184184 jumping jacks in 444 minutes. She does her jumping jacks at a constant rate. How many jumping jacks can D

elilah do per minute?
Mathematics
2 answers:
valkas [14]3 years ago
4 0
I'm assuming you didn't mean to repeat each number 3 times. 

If she did 184 jumping jacks in 4 minutes that means she did 46 jumping jacks per minute. 
harina [27]3 years ago
4 0

Answer:

46 jumps per minute.

Step-by-step explanation:

We have been given that Delilah does 184 jumping jacks in 4 minutes.

Since Delilah is jumping jacks at a constant rate, so the number of jumps per minute would be 184 divided by 4.

\text{Number of jumps per minute}=\frac{\text{184 jumps}}{\text{4 minutes}}

\text{Number of jumps per minute}=\frac{\text{46 jumps}}{\text{minute}}

Therefore, Delilah is jumping at a rate of 46 jumps per minute.

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3 years ago
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The Law and Order detectives enter a house at 11:30 am and found a man on the floor murdered. They take his body temperature fin
taurus [48]

Answer:

Time of murder = 10:39 am

Step-by-step explanation:

Let the equation of exponential function representing the final temperature of the body after time 't' is,

f(t) = a(e)^{nt}

Here, a = Initial temperature

n = Constant for the change in temperature

t = Duration

At 11:30 am temperature of the body was 91.8°F.

91.8 = 98.6(e)^{nt} --------(1)

Time to reach the body to the morgue = 12:30 pm

Duration to reach = 12:30 p.m. - 11:30 a.m.

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eⁿ = \frac{84.4}{91.8}

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From equation (1),

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(e)^{0.08403t}=\frac{98.6}{91.8}

ln[(e)^{0.08403t}]=ln[\frac{98.6}{91.8}]

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2 years ago
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212.809 rounded to the nearest hundredth is 212.81

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