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pshichka [43]
2 years ago
14

Scott likes to run long distances. He can run 20 \text{ km}20 km20, start text, space, k, m, end text in 858585 minutes. He want

s to know how many minutes (m)(m)left parenthesis, m, right parenthesis it will take him to run 52 \text{ km}52 km52, start text, space, k, m, end text at the same pace.
How long will it take Scott to run 52 \text{ km}52 km52, start text, space, k, m, end text?
minutes
Mathematics
2 answers:
siniylev [52]2 years ago
7 0

Answer:

221 min

Step-by-step explanation:

eligible on khan academy

aleksandrvk [35]2 years ago
4 0

Answer:

<em>Scott will take 221 minutes to run 52 km</em>

Step-by-step explanation:

<u>Speed</u>

The speed of an object can be calculated with the formula:

\displaystyle v=\frac{d}{t}

Where d is the distance traveled and t is the time taken.

Scott can run d=20 km in 85 minutes. Thus, his speed is:

\displaystyle v=\frac{20}{85}\ km/min

Now he wants to know how many minutes it will take him to run d=52 km. Solving the formula for t:

\displaystyle t=\frac{d}{v}

Since the speed has been already determined:

\displaystyle t=\frac{52}{\frac{20}{85}}

Multiplying by the reciprocal of the denominator:

\displaystyle t=52*\frac{85}{20}

t = 221 min

Scott will take 221 minutes to run 52 km

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Ashley is making $500 a week at her job. She receives a 20% pay raise. A year later she gets a 5% pay cut. How much does she mak
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Answer:

Assuming Ashley didn't​ take any week off. Ashley earning in the first year:

500*52=$26000

She earns the second year:

26000 * 1.2 = $31200

She spent 5%

31200 * 0.05 = $1560

The remaining yearly earning:

31200 - 1560 = $29640

Weekly earning:

29640 ÷ 52 = $570


Read more on Brainly.com - brainly.com/question/3450376#readmore



8 0
2 years ago
All of the following are ways to write 25 percent of N Except. A. (0.25)N B. 25/100N C. 1/4 N D. 25N
anygoal [31]
Except (D) 
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6 0
2 years ago
PLEASE HELP!
Nadya [2.5K]

Draw the DE ray away from the BAC angle is the next step to copy the BAC angle

<h3>Further explanation </h3>

Angles can be formed from two ray lines that have the same starting point

Commonly used terms include foot angle, corner point, and angle size

The magnitude of the angle is usually expressed in degrees

Naming angles can be with one letter according to the vertex or with three letters with the vertex placed between two other letters

There are several steps used to copy the BAC angle:

  • 1. Draw the DE line
  • 2. Draw a circle using the circle tool with center A. The circle will intersect the lines BA and BC at points F and G
  • 3. Use the segment tool to create a segment from the circle radius that has been created
  • 4. Use the Compass tool and select the segment from the AG radius
  • 5. Make a circle with center point D, with the same radius as AG
  • 6. Mark the intersection of the circle with the intersection of the DE as H
  • 7. Create the FG segment, and use the compass tool to select the FG segment
  • 8. Create a circle with center H, which will intersect the circle with center D earlier at the point I
  • 9. Draw the DI line

Then the BAC  is congruent to the HDI  

<h3>Learn more</h3>

circumference of the circle

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chord, diameter

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the steps for constructing a copy of an angle  

brainly.com/question/4292471

Keywords: circle, copy of an angle, segment tool, compass tool, radius

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Given the equation, y=3x – 7 what is the slope of the line?
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