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wel
3 years ago
9

What is 5x3,264-3please help hurry test teacher mean!!!​

Mathematics
1 answer:
kifflom [539]3 years ago
4 0

Answer:

5x3=15

264-3=261

Step-by-step explanation:

Multiply 5x3 to get 15. And subtract 264 and 3 to get 261.

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Please need help asap!
beks73 [17]

Answer:

66

Step-by-step explanation:

(z-33)/z = 1/2

2z-66=z

z=66

6 0
3 years ago
The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120 minutes and a maximum of 150 mi
lara [203]

Answer:

a) 33.33%)

b) 135 minutes

c) 8.66 min

d) 50%

Step-by-step explanation:

a) the probability for a uniform distribution is

P(b<X<a) = (a-b)/(c-d) , where c and d are the maximum and minimum values

therefore the probability that the flight is more than 140 minutes ( and less than 150 since it is the maximum value)

P(140<X<150) = (a-b)/(c-d) = (150-140)/(150-120) = 10/30 = 1/3 (33.33%)

b) the mean (expected value) for a uniform probability distribution is

E(X) = (c+d)/2 = (120+150)/2 = 135 minutes

c)  the standard deviation for a uniform probability distribution is

σ²(X)= (c-d)²/12 = (150-120)²/12 = 75 min²

σ = √75 min² = 8.66 min

b) following the same procedure as in a)

P(120<X<135) = (a-b)/(c-d) = (135-120)/(150-120) = 15/30 = 1/2 (50%)

4 0
3 years ago
300x+290 factor out the gfe of each expression
marta [7]

Answer: 590x.

2 is GFE, hope this helps?

Step-by-step explanation:

3 0
2 years ago
Is 5(x+1) the same as 5x+1? Explain your answer.
Morgarella [4.7K]
No
5*x= x (correct)
5*1=5 (incorrect)
When I say correct or incorrect it means that it does/doesn’t match 5x+1
6 0
3 years ago
Which is the graph of the linear inequality 1/2 x-2y&gt;-6 ?
larisa86 [58]

Answer:

<h2>Your Answer is C!!!!!!!!!</h2>

Steps:

\frac{1}{2} x-2y>-6

Add 2y to both sides:

\frac{1}{2} x-2y+2y>-6+2y

Simplify:

\frac{1}{2}x>-6+2y

Multiply both sides by 2:

2·\frac{1}{2}x>-2·6+2·2y

Simplify:

x>-12+4y

5 0
3 years ago
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