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GaryK [48]
3 years ago
15

Phillip averages 20 miles per hour when road biking. How long does it take him to bike 1 mile at this rate?

Mathematics
1 answer:
maksim [4K]3 years ago
4 0
3 minutes because 60 minutes = an hour so 60/20 = 3 minutes so 3 minutes per mile
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4z/7 - 7 = 10 What is z??????
Luda [366]

Answer:

Here is the solution. Hope it helps.

7 0
3 years ago
HELPP I don’t get this at all. I originally got c but my teacher said it was incorrect. This is about volume and cylinders. Expl
EastWind [94]

Answer:

B

Step-by-step explanation:

The formula for the volume of a cylinder is \pi r^2 h, where r is the radius of the base and h is the height of the cylinder.

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Therefore, the correct answer is choice B. Hope this helps!

4 0
3 years ago
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12x - 2y = -1<br>+ 4x + 6y= -4<br>​
svp [43]

Answer:

x = -7/40 , y = -11/20

Step-by-step explanation:

Solve the following system:

{12 x - 2 y = -1 | (equation 1)

4 x + 6 y = -4 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

{12 x - 2 y = -1 | (equation 1)

0 x+(20 y)/3 = (-11)/3 | (equation 2)

Multiply equation 2 by 3:

{12 x - 2 y = -1 | (equation 1)

0 x+20 y = -11 | (equation 2)

Divide equation 2 by 20:

{12 x - 2 y = -1 | (equation 1)

0 x+y = (-11)/20 | (equation 2)

Add 2 × (equation 2) to equation 1:

{12 x+0 y = (-21)/10 | (equation 1)

0 x+y = -11/20 | (equation 2)

Divide equation 1 by 12:

{x+0 y = (-7)/40 | (equation 1)

0 x+y = -11/20 | (equation 2)

Collect results:

Answer:  {x = -7/40 , y = -11/20

6 0
3 years ago
Is my answer A or d??
alexira [117]

Answer:

d

Step-by-step explanation:

The answer must have a negative slope because the graph is decreasing.

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y = -3x + 10

8 0
3 years ago
Express x in terms of the other variables in the diagram below:
GrogVix [38]
For the answer to the question above, just <span>use similar triangles. 
</span>Here's the equations that I used.

<span>t/h = (x + t) / r </span>
<span>x + t = rt / h </span>
<span>x = rt / h - t 
I hope my answer helped you in your problem, Have a nice day</span>
6 0
3 years ago
Read 2 more answers
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