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Troyanec [42]
2 years ago
11

Melissa ran "m" meters per second, and jasmine ran "j" meters per second. They ran for "t" seconds. The expression t(m-j) descri

bes how many more meters melissa ran than jasmine ran during that time. We can also use the expression tm-tj to represent the same quantity.
explain how the expression t(m-j) and tm-tj are equivalent.​
Mathematics
1 answer:
Arisa [49]2 years ago
5 0

The expression t(m-j) and tm-tj are equivalent because when you open the bracket and expand t(m-j), you'll get tm-tj.

  • Since the expression given to describe the number of meters that Melissa ran more than jasmine during that time is given as t(m-j). We can expand it and this will be: t(m-j) = tm - tj

  • In this case, we multiply t by m which is tm; and multiply t by j which is tj.

Therefore, t(m-j) and tm-tj are equivalent.

Read related link on:

brainly.com/question/24783134

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Hello there, my fellow human being!

The answer is 1.37 miles.

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Javier volunteers in community events each month. He does not do more than five events in a month. He attends exactly five event
mezya [45]

Answer:

The probability of Javier volunteers for less than three a month is 25%

Step-by-step explanation:

According to the questions,

The probability of Javier to attend exactly 5 events :-

P ( x = 5 ) = 25% = \frac{1}{4}

The probability of Javier to attend exactly 4 events :-

P ( x = 4 ) = \frac{1}{4}

The probability of Javier to attend exactly 3 events :-

P ( x = 3 ) = \frac{1}{4}

The probability of Javier to attend exactly 2 events :-

P ( x = 2 ) = \frac{3}{20}

The probability of Javier to attend exactly 1 events :-

P ( x = 1 ) = \frac{1}{20}

The probability of Javier to attend no events :-

P ( x = 0 ) = \frac{1}{20}

Now we have to calculate the probability of Javier volunteers for less than three P ( x < 3 ).

P ( x < 3 ) = P ( x = 0 ) + P ( x = 1 ) + P ( x = 2 )

P ( x < 3 ) = \frac{1}{20} + \frac{1}{20} + \frac{3}{20}   = \frac{1 + 1 + 3}{20}  = \frac{5}{20}  = \frac{1}{4}   = 0.25 = 25 %.

8 0
3 years ago
Can someone help please
Naddika [18.5K]

Answer:

I believe the answer is 8 because 8 can go in both 64 and 40.

Step-by-step explanation:

If you divide 64 by 8 then you get 8 and if you divide 40 by 5 you also get 8.

3 0
2 years ago
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Evgesh-ka [11]

Answer:

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Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x²(4x² - 5x + 6) + 2x(4x² - 5x + 6) - 3(4x² - 5x + 6)

Distribute all 3 parenthesis

= 4x^{4} - 5x³ + 6x² + 8x³ - 10x² + 12x - 12x² + 15x - 18

Collecting like terms

= 4x^{4} + 3x³ - 16x² + 27x - 18

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3 years ago
Based on the information marked in the diagram, ABC and DEF must be
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The answer is true because they both have the 90 degree box and a mark in the line indicating they are the same length.
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