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3 years ago

Kana bikes 22 miles in 2 hours her sister Emiko bikes 48 miles in 4 hours.

Mathematics

2 answers:

borishaifa [10]3 years ago

7 0

Answer:

The answer is 11 miles an hour for kana and 12 miles and hour

Step-by-step explanation:

kodGreya [7K]3 years ago

6 0

Answer:

Emiko bikes 1 more mile per hour than Kana

Step-by-step explanation:

Kana bikes 11 miles per hour while Emiko bikes 12 miles per hour so in conclusion Emiko bikes 1 more mile per hour than Kana

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Step-by-step explanation:

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3 years ago

Steve is m years old.his brother jack is n years older than steve, how old will jack be in 2 years.

Alexxandr [17]

(2 + n) + m

Step-by-step explanation:

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2 years ago

Simplify: (2x2 − 9x + 3) + (−7x2 + 4x − 2) (5 points)

pogonyaev

Answer:

$-5x^2+5x+1$

Step-by-step explanation:

To simplify polynomials, find the like terms which look and sound the same then combine the coefficients of each to simplify.

$(2x^2-9x+3)+(-7x^2+4x-2)\\2x^2-7x^2-9x+4x+3-2\\-5x^2+5x+1$

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3 years ago

Two angles are supplementary (add up to 180 degrees). The measure of one angle is ten more than the other. Find the measure of e

Aleonysh [2.5K]

Answer:

85° and 95°

Step-by-step explanation:

So, one angle is x, the other angle is x + 10. Using this, you can form an equation.

x + x + 10 = 180

Now, solve the equation.

2x + 10 = 180

2x = 170

x = 85

So, one angle is 85 while the other angle is 95.

85 + 95 = 180,

so we know that our answer is correct.

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4 years ago