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Andre45 [30]
3 years ago
5

A railroad crew can lay 5miles of track each day. They need to lay 135 miles of track. The length, l (in miles), that is left to

lay after d days is given by the following function.
Mathematics
1 answer:
torisob [31]3 years ago
4 0
What is the function
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What does this equation equal to
Lena [83]
The answer to the equation is 115
6 0
3 years ago
Read 2 more answers
Find each percent increase round to the nearest percent from $5 to $8
asambeis [7]
First subtract the two numbers:

8 - 5 = 3

Now divide this to the original:

3 / 5 = 0.6

Multiply by 100:

0.6 * 100 = 60%
7 0
3 years ago
The burges are moving across the country .Mr burges leaves 3 hours before mrs.burges. If he averages 50 mph and she averages 70
kirill [66]

10.5 hours

let t be time then distance travelled by both is

Mr Burges ⇔ d = 50t ( distance = speed × time )

Mrs Burges ⇒ d = 70(t - 3)

At the point of overtaking both will have travelled the same distance

equating their distance and solving for t

70(t - 3) = 50t

70t - 210 = 50t ( subtract 50t from both sides )

20t - 210 = 0 ( add 210 to both sides )

20t = 210 ( divide both sides by 20 )

t = 10.5 hours


4 0
3 years ago
Two number cubes (6 sided) are rolled at the same time. What is the probability that the first number cube will land on a 2 or 3
Reil [10]

Answer:

5/36 or approximately 13.88...%

Step-by-step explanation:

First, we need to know the probability of rolling a 2 or 3. Because there are 6  sides, the probability is 2/6

Next, we have to find the probability of rolling an even number. With the numbers:

1, 2, 3, 4, 5, 6

1, 3, 5 are odd       2, 4, 6 are even

so, the probability of rolling an even number is 3/6

Finally, multiply the probabilities:

3/6*2/6=5/36

Answer:

5/36 or about 13.88%

7 0
3 years ago
Ok how do you add pictures​
Andrej [43]
Ohh well when u type in another question it should show a pic option at the bottom once your done typing whatever is u wish to ask :)
5 0
3 years ago
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