2 years ago

If you travel at a rate of 45 mph how many minutes will you take to travel 1 mile

Mathematics

1 answer:

dlinn [17]2 years ago

6 0

I think that it might be 80 seconds (1 min 20 sec)

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Please take a look at the picture

madam [21]

Answer:

B) -3/10 x -6

Step-by-step explanation:

-3/10 x -6=-3 x -6/10

When multiplying two negatives you get a positive.

Hope this helps :)

8 0

2 years ago

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Assume that the random variable X is normally distributed, with mean mu equals 100 and standard deviation sigma equals 20. Comp

TEA [102]

Answer: 0.2119

Step-by-step explanation:

We assume that the random variable X is normally distributed.

Given : Population mean : $\mu=100$

Standard deviation : $\sigma=20$

Z-score : $z=\dfrac{x-\mu}{\sigma}$

Then, z-score corresponds to 116

$z=\dfrac{116-100}{20}=0.8$

By using the standard normal distribution table for z , we have

$P(x>116)=P(z>0.8)=1-P(z\leq0.8)$

$=1-0.7881446\approx0.2119$

Hence, the required probability = 0.2119

4 0

3 years ago

3 lbs for $21 at that rate how would 9 lbs cost

FrozenT [24]

The cost for 9 lbs would be 63 dollars

8 0

2 years ago

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What is the value of n in the equation below? A:-20 B:-9 C:9 D:20

Nikitich [7]

Answer is C:9
12^9/12^5 = 12^4

hope it helps

8 0

2 years ago

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The wrestling team wants to sell pies for a fundraiser. The cafeteria helped out by donating 2 pies. Each pie will be cut into 4

Eduardwww [97]

Answer:

The answer would be 8

Step-by-step explanation:

4x8=32

4 is the pieces of each pie

8 is how many pies

32 is how many pieces they need

8 0

3 years ago