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3 years ago

Integers include whole numbers and fractions True or false?

Mathematics

2 answers:

charle [14.2K]3 years ago

8 0

Answer:

False

Step-by-step explanation:

Integers don't include fractions.

Nezavi [6.7K]3 years ago

5 0

Answer:

False

Step-by-step explanation:

Fractions are not integers Please give brainliest

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Flying against the wind, a jet travels 2160 miles in 3 hours. Flying with the wind, same jet travels 6000 miles in 6 hours. What

marissa [1.9K]

Answer:

The velocity of jet in still air is $860miles/hour$ and velocity of wind is $140miles/hour$ .

Step-by-step explanation:

Let x be the rate of the jet in still air and y be the rate of the wind.

Given:

Velocity against wind, a jet travels 2160 miles in 3 hours.

Velocity against wind $=\frac{2160}{3} = 720 miles/hour$

Flying with the wind, same jet travels 6000 miles in 6 hours.

Flying with the wind $=\frac{6000}{6} = 1000 miles/hour$

As such its velocity against wind is $x-y$

and with wind is $x+y$ therefore

$x-y=720$ ------------(1)

$x+y=1000$ ---------------(2)

Adding equation 1 and 2.

$2x=1720$

$x=\frac{1720}{2}$

$x=860$

Put x value in equation 2

$860+y=1000$

$y=1000-860$

$y=140$

Hence velocity of jet in still air is $860miles/hour$ and velocity of wind is $140miles/hour$ .

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3 years ago

Simplify the following expression.

adoni [48]

$$ 12 - 5[(4 + 2)\div\2 - (22 + 10)]= 157 $$
238 this answer

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Earl worked 18 hours last week. If he had earned $2.00 an hour more but had worked only 15 hours, he would have earned the same

ruslelena [56]

Answer:

B) $10.00

Step-by-step explanation:

10 × 18 = 180

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