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Minchanka [31]
3 years ago
6

A runner is running a 10k race. The runner completes 30% of the race in 20 minutes. If the runner continues at this pace, how lo

ng will it to finish?​
Mathematics
1 answer:
Svetach [21]3 years ago
4 0

Answer:

Step-by-step explanation:

20 Min=30% complete

40 min=60% complete

60 min (1 hr)= 90% complete

67 min=100% complete

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Y-Intercept= -9

Your equation is Y=mx+b, and b is the Y-Intercept
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3 years ago
If there are three leaves of lettuce on hectors sandwich, what is the cost of lettuce on his sandwich?Explain
ANTONII [103]

Answer:

0.06$

Step-by-step explanation:

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2 years ago
Maitri and Aabhas do a work in 12 hours.
tamaranim1 [39]

Answer:

See below ~

Step-by-step explanation:

<u>Given</u>

  • Maitri and Aabhas do a work in 12 hours
  • Aabhas and Kavya do the work in 15 hours
  • Kavya and Maitri do the work in 20 hours

<u>Solving</u>

  • Take Maitri, Aabhas, and Kavya to be x, y, z respectively
  • <u>x + y = 12</u> (1)
  • <u>y + z = 15</u> (2)
  • <u>x + z = 20</u> (3)

<u>Take Equation 1 and rewrite it so that it is equal to x.</u>

  • x = 12 - y

<u>Take Equation 2 and rewrite it so that it is equal to z.</u>

  • z = 15 - y

<u>Now, substitute these values in Equation 3.</u>

  • x + z = 20
  • 12 - y + 15 - y = 20
  • -2y + 27 = 20
  • 2y = 7
  • y = 7/2 = <u>3.5 hours [Aabhas]</u>

<u></u>

<u>Substitute the value of y in Equation 1.</u>

  • x + 3.5 = 12
  • x = <u>8.5 hours [Maitri]</u>

<u>Substitute the value of y in Equation 2.</u>

  • 3.5 + z = 15
  • z = <u>11.5 hours [Kavya]</u>

<u></u>

<u>Add the values of x, y, and z together.</u>

  • x + y + z
  • 8.5 + 3.5 + 11.5
  • 12 + 11.5
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8 0
2 years ago
What is the rate in feet per second? 10 feet 16 seconds
Ierofanga [76]
Feet
_____
second


10 feet
________
16 second

equals

.625 feet per second
7 0
3 years ago
You received a $178 per month raise. That was a 5% increase. What was your monthly salary before the increase? Show work please
zzz [600]

Answer: 169.52

Step-by-step explanation

%increase which is 5% =100 x final - initial

                                                   ---------------------

                                                         initial

the initial is $169.52

and the final  $178

3 0
2 years ago
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