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2 years ago

28+56t+28w to identify the equivalent expressions. Choose 2 answers:

Mathematics

1 answer:

prohojiy [21]2 years ago

4 0

Answer:

28(1 + 2t + w)

Step-by-step explanation:

This polynomial can be factored by factoring out 28.

28 + 56t + 28w = 28(1 + 2t + w)

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Jack and Jill live 126 km apart. They want to leave their homes at the same time,

Digiron [165]

Answer:

Both will leave their homes to meet on time at 9 am

Step-by-step explanation:

Given as, Distance between Jack and Jill = 126 km

Speed of Jack rides = 18 kilometers per hours

Speed of Jill rides = 24 kilometers per hours

Let the distance travel by Jack = x km

And the distance travel by Jill = (126 - x ) km

Time taken by Jack and Jill = T hours

Now , Distance = Speed × Time

So, x = 18 × T

And 126 - x = 24 × T

Or, 126 - x = 24 × $\frac{x}{18}$

Or, 126 - x = x × $\frac{4}{3}$

Or, 378 - 3x = 4x

Or, 378 = 7x

i.e x = $\frac{378}{7}$ = 54 km

And distance travel by Jill = 126 - 54 = 72 km

So, time taken by Jack = $\frac{x}{18}$ = $\frac{54}{18}$

Or, Time taken by Jack = 3 hours

Similarly Time take by Jill = $\frac{72}{24}$ = 3 hours

∵ Both Jack and Jill will take 3 hours to meet at 12 : 00 pm

Hence, Both will leave their homes to meet on time at 9 am Answer

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4 years ago

What is the sum of i° + k°?

Brut [27]

Answer

1 + 32 + 243 + 1024 + .. + n5

Step-by-step explanation:

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3 years ago

What is the equation of the line in slope-intercept form?

olasank [31]

The equation of the line that passes through the points is y=3/5x+3

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What is the slope of this line? graph

Juliette [100K]

Answer:

The slope m of a line is one of the elements in the equation of a line when written in the "slope and intercept" form: y = mx+b.

Step-by-step explanation:

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3 years ago

Find 2x − 3y − z if x = −2, y = 3, and z = −2 −11 11 −15 15

ivann1987 [24]

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3 years ago