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Komok [63]
3 years ago
14

I need help with math

Mathematics
1 answer:
sergey [27]3 years ago
4 0
Everyone needs help in math
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You drive 70 miles per hour but then slow your speed by 15 miles per hour. You then return to your speed of 70 miles per hour. W
Anuta_ua [19.1K]
Driving 70 miles per hour.
Slow your speed means decrease in speed= 70+(-15)=70-15=55 miles/ hr
And then return to speed of 70 miles/hr means add 15 miles to the speed.
We get
70+(-15)+15 =70 miles / hr

Option D is correct.

4 0
3 years ago
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The area of a rectangle is 525 square centimeters. The ratio of the length to the width is 8/3 3. Find the length and the width.
borishaifa [10]
The answer is b i just took the quiz
4 0
3 years ago
Can anyone solve this?
anygoal [31]

Answer:

50.4 km (Answer B)

Step-by-step explanation:

From this information, we are able to create a proportion, 2cm/21km= 4.8cm/x km (x representing the actual distance). After cross-multiplying and simplifying, you get an answer of 50.4km. Hope this helps!

6 0
2 years ago
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Which choice is irrational?
polet [3.4K]

Answer:

√18

Step-by-step explanation:

3 0
3 years ago
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"x is an exponential random variable with mean equal to 100. what is the probability that x equals 90?"
Svetradugi [14.3K]

Since mean is 100 so Λ=1/100,

But since exponential distribution is continuous distribution so probability at a particular points  

Is zero. That probability  

That X is equal to 90 degree is 0.



4 0
4 years ago
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