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liraira [26]
3 years ago
12

The cruising speed of the bullet train will be at least 170 miles per hour. Use s to represent the train's cruising speed (in mi

les per hour). Write an inequality to represent the situation
Mathematics
1 answer:
salantis [7]3 years ago
6 0

Answer:

s ≥ 170

Step-by-step explanation:

The problem raises the following statement: "The cruising speed of the bullet train will be at least 170 miles per hour"

Which means that the train has a speed of 170 miles for now or higher, knowing this we can pose the inequality.

Knowing that "s" is the train's cruising speed (in miles per hour), we have to:

s ≥ 170

This would be the inequality that the statement represents.

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I’m pretty sure it’s 9/10 - 2/5. I’m sorry If it’s wrong
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3 years ago
please help! Create a function y=f(x) that has a removable discontinuity at x=2 and a non-removable discontinuity x=3. Fill in t
Alenkasestr [34]

Answer:

6

Step-by-step explanation:

7 0
3 years ago
√180 can be expressed in the form p√q. where p and q are integers. Find the smallest value of p + q. ​
frutty [35]

Answer:  

The smallest value of p+q is 11

It happens when p = 6 and q = 5.

=======================================================

Explanation:

Let's factor 180 in such a way that exactly one factor is a perfect square.

I'll ignore the trivial factor of 1.

Here are the possible factorizations we could go with:

180 = 4*45

180 = 9*20

180 = 36*5

Those factorizations then lead to the following

\sqrt{180} = \sqrt{4*45} = \sqrt{4}*\sqrt{45}= 2\sqrt{45}\\\\\sqrt{180} = \sqrt{9*20} = \sqrt{9}*\sqrt{20}= 3\sqrt{20}\\\\\sqrt{180} = \sqrt{36*5} = \sqrt{36}*\sqrt{5}= 6\sqrt{5}\\\\

Then we have

p+q = 2+45 = 47

p+q = 3+20 = 23

p+q = 6+5 = 11

The smallest value of p+q is 11 and it happens when p = 6 and q = 5.

Side note: p+q is smallest when we go with the largest perfect square factor.

6 0
2 years ago
If it takes eight men ten hours to build a wall, how long would it take four men?
fomenos
If it takes eight men ten hours, it would take seven men nine hours, six men eight hours, five men seven hours and that brings us to the answer you need. It would take four men six hours.
7 0
3 years ago
Read 2 more answers
1. Which angle is congruent to ∠1 ?
Nonamiya [84]
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5 0
3 years ago
Read 2 more answers
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