Which property states that if a = b and b = c, then a = c?

1 answer:

6 0

Transitive.

Associative is (a + b) + c = a + (b + c)

Commutative is a + b = b + a

Reflexive is a = a

Thus, transitive is the correct answer.

Hope this helps!

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I will give a thanks

vlabodo [156]

15 times 2 = 30
20 times 2 = 40
40 + 30 = 60
60 / 6 = 10
so the answer will be 10

3 0

3 years ago

Where do the lines y = 3x + 5 and y = -2x + 10 intersect?

Anna71 [15]

9514 1404 393

Answer:

(x, y) = (1, 8)

Step-by-step explanation:

A graphing calculator quickly tells you the point of intersection.

You can equate the y-values and solve for x.

3x +5 = -2x +10

5x = 5 . . . . . . . . . add 2x-5

x = 1 . . . . . . . divide by 5

3·1 +5 = y = 8 . . . . substitute for x in the first equation

The point of intersection is (x, y) = (1, 8).

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3 years ago

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

ohaa [14]

Answer:

Systematic error

Step-by-step explanation:

Assuming that none of the judges are biased, the most likely reason for this difference is the occurrence of systematic errors.

Systematic errors are errors introduced by inaccuracy in the experimental design, be it in the observation or measurement process.

In this case, the reaction time from observing the finish and stopping the clock for each judge might be different, which configures a systematic error.

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3 years ago

Write the equation of a line with a slope of 4 and a y-intercept of −3.

olga_2 [115]

Answer:

D. y = 4x − 3

Step-by-step explanation:

Just took the test and got 100%

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3 years ago

What is the y-intercept of the function nx) = x + 5<br> costs us when ons

nikitadnepr [17]

Cost us when ons? what does that means i’m having trouble identifying

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3 years ago