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Genrish500 [490]

3 years ago

10

14. Higher Order Thinking: Lauren can drive her car 320 miles on 10 gallons of gasoline. Melissa can drive her car 280 miles on

8 gallons of gasoline. Who can drive farther on 40 gallons of gasoline? Complete the ratio tables to justify your solution.

1 answer:

Jlenok [28]3 years ago

5 0

Answer:

d

Step-by-step explanation:

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If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 1 on the white die? A 1 on the wh

Allisa [31]

Answer:

6

Step-by-step explanation:

Sample space of the experiment

first number in the bracket is white die and second number in the bracket is black

(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)

(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)

(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)

(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)

(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)

As it can be seen that the first numbers in the bracket are (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

∴1 on the white die can be obtained in 6 ways

7 0

3 years ago

The radius of a circle is 8 feet. What is the circle's area?<br> Use 3.14 for .

Fofino [41]

Answer:

200.96

Step-by-step explanation:

3.14*8*8=200.96

5 0

3 years ago

What’s<br> -2x+y= -14 <br> 6x + 5y = -6

Katarina [22]

Hey, here's a pic of it ! hope this helps !

p.s., photomath is a good app for algebraic answers with work, you should check it out (:

3 0

3 years ago

Suppose that the time (in hours) required to repair a machine is an exponentially distributed random variable with mean 1/0.41/0

lbvjy [14]

Answer:

a) P(t>3)=0.30

b) P(t>10|t>9)=0.67

Step-by-step explanation:

We have a repair time modeled as an exponentially random variable, with mean 1/0.4=2.5 hours.

The parameter λ of the exponential distribution is the inverse of the mean, so its λ=0.4 h^-1.

The probabity that a repair time exceeds k hours can be written as:

$P(t>k)=e^{-\lambda t }=e^{-0.4t}$

(a) the probability that a repair time exceeds 3 hours?

$P(t>3)=e^{-0.4*3}=e^{-1.2}= 0.30$

(b) the conditional probability that a repair takes at least 10 hours, given that it takes more than 9 hours?

The exponential distribution has a memoryless property, in which the probabilities of future events are not dependant of past events.

In this case, the conditional probability that a repair takes at least 10 hours, given that it takes more than 9 hours is equal to the probability that a repair takes at least (10-9)=1 hour.

$P(t>10|t>9)=P(t>1)$

$P(k>1)=e^{-0.4*1}=0.67$

6 0

3 years ago

Which of the following equations could be used to find the value of 3,550 ÷ 25?

fiasKO [112]

Answer:

<em>A is correct answer</em>

Step-by-step explanation:

$(3000 + 500 + 50) \div 25 \\$

$(3550) \div 25$

$= = > 3550 \div 25$

Thanks

Don't forget to tell the name of your country.

8 0

2 years ago