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Anastasy
6 days ago
13

Three judges measure the lap times of a runner and each measurement is different from the others by a few hundredths of a second

. The most likely reason for this difference is
Mathematics
1 answer:
babunello [3.6K]6 days ago
6 0

Response:

Systematic error.

Step-by-step breakdown:

Assuming all judges are impartial, the most probable explanation for this discrepancy is the presence of systematic errors.

Systematic errors consist of issues caused by inaccuracies in the experimental design, whether regarding observation or measurement.

In this situation, the time it takes each judge to observe the finish and stop the timer might differ, leading to a systematic error.

You might be interested in
A department store sells logo shirts at an original price of $20. Every month that a shirt doesn’t sell, the store reduces the s
Inessa [3907]

Answer: Macy's pre-tax shirt price is $5.63

Step-by-step explanation:

Details:

Original cost = 20

sale price drops by 25% every month it remains unsold.


First markdown month:

20 * (100%-25%) = 20 * 75% = 15


Second markdown month:

15 * 75% = 11.25


Macy, being an employee, enjoys a 50% discount on the current price.

11.25 * 50% = 5.625

11.25 - 5.625 = 5.625 or rounded to 5.63

Hope this helps!:)

3 0
2 days ago
Read 2 more answers
Which are the solutions of x2 = –5x + 8? StartFraction negative 5 minus StartRoot 57 EndRoot Over 2 EndFraction comma StartFract
tester [3916]

Answer:

x=\frac{-5-\sqrt{57} }{2}\ or\ x=\frac{-5+\sqrt{57} }{2}

Detailed solution:

Given:

The problem to solve is:

x^2=-5x+8

Convert the equation into the standard quadratic form ax^2+bx +c =0, where a,\ b,\ and\ c represent constants.

So, by adding 5x-8 to both sides, we get:

x^2+5x-8=0

Note that a=1,b=5,c=-8.

The roots of this quadratic are found by applying the quadratic formula given as:

x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

Substitute a=1,b=5,c=-8 into the formula and calculate for x.

x=\frac{-5\pm \sqrt{5^2-4(1)(-8)}}{2(1)}\\x=\frac{-5\pm \sqrt{25+32}}{2}\\x=\frac{-5\pm \sqrt{57}}{2}\\\\\\\therefore x=\frac{-5-\sqrt{57} }{2}\ or\ x=\frac{-5+\sqrt{57} }{2}

Hence, the roots are:

x=\frac{-5-\sqrt{57} }{2}\ or\ x=\frac{-5+\sqrt{57} }{2}

4 0
14 days ago
Read 2 more answers
In the xy-plane, point E has coordinates (4,5) and point O has coordinates (0,0). Which of the following is an equation of the l
lawyer [4008]

Answer:

D

Step-by-step explanation:

You should insert the provided x and y coordinates into the equations to determine which one satisfies both points.

D is valid for both:

5 = 5/4(4)

0 = 5/4(0)

6 0
13 days ago
A law firm is going to designate associates and partners to a big new case. The daily rate charged to the client for each associ
babunello [3635]

Response:

Each associate incurs a cost of $700 daily for the client, meaning that 'a' associates will cost the client 700a dollars each day. For each partner, the charge is $1500 daily, so 'p' partners will accumulate a cost of 1500p dollars daily. The cumulative bill amounts to 700a + 1500p = $14100:

700a + 1500p = 14100

700a + 1500p = 14100

Given that there are a total of 11 lawyers assigned (associates and partners), the equation a + p must equal 11.

a + p = 11

a + p = 11

\underline{\text{Formulate System of Equations:}}

Formulate System of Equations:

​

700a + 1500p =

700a + 1500p = 14100

14100

a + p = 11

11

8 0
13 days ago
Rhonda sold five appliances this week. She sold a stove for $800.00, a refrigerator for $1,250.00, a microwave for $120.00, a di
lawyer [4008]

The expression for calculating a percentage is whatever% of anything is simply (whatever/100) * anything.


The total 800 + 1250 + 120 + 625 + 65 equals 2860.

Rhonda does not earn a commission on the first 2000, only on the excess amount, which is 860.

Calculating 15% of 860 involves (15/100) * 860.

8 0
12 days ago
Read 2 more answers
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