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MrMuchimi
3 years ago
10

Tamela runs 7.2 miles every day.Blake runs 3.9 miles every day.How much farther does Tamela run than Blake? Explain how u used m

ental math to determine the difference.
Mathematics
2 answers:
KIM [24]3 years ago
4 0

Answer:

3.3 miles more per day

Step-by-step explanation:

1. Subtract 3.9 from 7.2.

2. You get 3.3 miles more per day.

If you need more than this explanation, feel free to reply.

Mkey [24]3 years ago
3 0

Answer: wanna play fornite?

Step-by-step explanation:

i have no one to play with me :(

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Cual es el minimo comu multiplo de 81,27,9
Brums [2.3K]
La respuesta es 81.

Eso es porque
81*1= 81,
27*3=81,
y 9*9=81.
8 0
3 years ago
30 – 2x = 2(3x + 3) using PEMDAS
soldi70 [24.7K]

Answer:

Hey there! First you start with parenthesis! So distribute the 2 to 3x. There you get 6x. Now distribute to the 3. You get 6. Now you move the 2x over to the right side. Getting 30=4x+6.. Now move the 6 over to the 30. You get 24=4x..Now you divide, getting the answer 6! Hope this helps...

Answer is 6

8 0
3 years ago
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Mary has read 75% of her 200 page book. How many pages has she read?
liq [111]
150 pages :)))))))))
7 0
3 years ago
The exponential distribution applies to lifetimes of a certain component. Its failure rate is unknown. Find the probability that
wlad13 [49]

Answer:

a) 0.0821

b) 0.0111

c) 0.0041

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

f(x) = \lambda e^{-\lambda x}

In which \lambda is the decay parameter.

The probability that x is lower or equal to a is given by:

P(X \leq x) = \int\limits^a_0 {f(x)} \, dx

Which has the following solution:

P(X \leq x) = 1 - e^{-\lambda x}

Either it lasts more 5 years or less, or it survives more than 5 years. The sum of the probabilities of these events is decimal 1. So

P(X \leq 5) + P(X > 5) = 1

In all 3 cases, we want P(X > 5). So

P(X > 5) = 1 - P(X \leq 5)

In which

P(X \leq 5) = 1 - e^{-5\lambda}

(a) lambda=.5

P(X \leq 5) = 1 - e^{-5*0.5} = 0.9179

P(X > 5) = 1 - P(X \leq 5) = 1 - 0.9179 = 0.0821

(b) lambda=0.9

P(X \leq 5) = 1 - e^{-5*0.9} = 0.9889

P(X > 5) = 1 - P(X \leq 5) = 1 - 0.9889 = 0.0111

(c) lambda=1.1

P(X \leq 5) = 1 - e^{-5*1.1} = 0.9959

P(X > 5) = 1 - P(X \leq 5) = 1 - 0.9959 = 0.0041

7 0
3 years ago
Write an Equivalent Expression by combining like terms for 2x+3x+y+2y
Vlada [557]

Answer:

5x+3y

Step-by-step explanation:

2x+3x=5x since they have the same variable.

y+2y

1y+2y u can put a 1 so that would be 3y

5x+3y

4 0
3 years ago
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