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Butoxors [25]
3 years ago
8

A train travels 25 miles in 20 min. What is the trains speed in miles per hour

Mathematics
2 answers:
Bingel [31]3 years ago
4 0
1.25mph 25/20... 
hope that helps :)
nignag [31]3 years ago
3 0
Set up a proportion.
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Segment CB is a____
Dahasolnce [82]

Answer:

Radius

Step-by-step explanation:

CB = AB/2

Since AB is the diameter, CB is a radius

5 0
3 years ago
How do you do these two questions?
Mice21 [21]

Answer:

a) d²y/dx² = ½ x + y − ½

b) Relative minimum

Step-by-step explanation:

a) Take the derivative with respect to x.

dy/dx = ½ x + y − 1

d²y/dx² = ½ + dy/dx

d²y/dx² = ½ + (½ x + y − 1)

d²y/dx² = ½ x + y − ½

b) At (0, 1), the first and second derivatives are:

dy/dx = ½ (0) + (1) − 1

dy/dx = 0

d²y/dx² = ½ (0) + (1) − ½

d²y/dx² = ½

The first derivative is 0, and the second derivative is positive (concave up).  Therefore, the point is a relative minimum.

4 0
4 years ago
Factor this expression
Natasha_Volkova [10]

Answer:

6(3x−4y)

Step-by-step explanation:

6 0
2 years ago
The equation a = 640s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many
stich3 [128]
Quantity of farmland owned by Pam = 7.5 square miles.
The other important information given in the question is the equation relating square miles and acres. Using that information, the answer to the question can be easily reached.
a = 640s
   = 640 * 7.5 acres
   = 4800 acres.
From the above deduction, we can conclude that the correct option among all the options that are given in the question is the third option or option "C".
5 0
4 years ago
Read 2 more answers
Another math problem help please?
kozerog [31]
The answer is the second option, or Ray BE is a bisector of angle ABE.
5 0
3 years ago
Read 2 more answers
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