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Mrrafil [7]
3 years ago
10

. Cho biểu thức A = |3x -1| - (x -7)

Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Step-by-step explanation:

which language is right

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If Jay gets paid $125 for working 10 hours, how much does he get paid for one hour?
Wewaii [24]
125 dollars divided by ten = 12,5
He gets paid 12,5$ for one hour
8 0
3 years ago
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On average, Jaimie can bike five times as fast as he can run. To travel 25 km, he needs 2 h more if he is running than if he is
monitta

Answer: Running speed is 10k/h

Biking speed is 50k/h

Step-by-step explanation:

My procedure may be unconventional, but it works:

Compute the time it takes, then translate to speed. 25k at biking speed takes 2 hours less than at running speed which is 1/5 bike speed.

Distance/speed = time  25/x=25/(5x-2)  cross multiply divisors

25(5x-2) = 25x  ==> 125x -50 =25x ==>  100x = 50  

x = 0.5 hours at biking speed   25k/0.5h = 50k/h  

Running speed = 50/5  10k/h

Proof: 25k/ 10k/h = 2.5 hours

25k /50k/h = 0.5 hours  

2.5 h - .5 h = 2 hours, the difference stated in the question.

6 0
3 years ago
An item is regularly priced at $85. It is now priced at a discount of 60% off the regular price. What is the price now?
ivolga24 [154]

Answer:

34$

Step-by-step explanation:

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5 0
3 years ago
Identity each pair of angles
ElenaW [278]
Do you have a protractor? You’ll need one measure the angles.
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3 years ago
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With a fair die, the probability of rolling any number 1 through 6 is the same.
yaroslaw [1]
The probability of all possible outcomes is always 1, meaning 100%.

In this case the probability of rolling a 1,2,3,4,5, or 6 is:

1/6+1/6+1/6+1/6+1/6+1/6

6(1/6)

6/6

1
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3 years ago
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