2 years ago

Can someone help me please

Mathematics

1 answer:

MrMuchimi2 years ago

7 0

Answer:

is it from a textbook

Step-by-step explanation:

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Some integers are irrational numbers true or false please explain

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False, all integers are rational because they can be expressed as a fraction. Like -4 is a rational number because it can be -4/1. All integers are rational.

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How is 2y(z(z+5)+10) gotten from 2yz^2 +10yz +20y ? Please help!!!

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The line below are parallel. If the slope of the green line is 2/7, what is the slope of the red line?

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2 years ago

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Tyler is 5 years younger than three times his cousin Lejla's age. Tyler is 40 years old.

Brut [27]

Answer:

I times 3-5

Step-by-step explanation:

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2 years ago

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Margarita [4]

Answer:

The ball throw into the air with an initial velocity of 22 meters per second is 27.4 meters above the ground after 3 seconds.

Step-by-step explanation:

The quadratic function $h(t) = -4.9t^2 + 22t + 5.5$ represents the height of the ball above the ground, h(t), in meters, with respect to time, t, in seconds.

To find h(3), substitute t = 3 into the function expression:

$h(3)=-4.9\cdot 3^2+22\cdot 3+5.5\\ \\=-4.9\cdot 9+66+5.5\\ \\=-44.1+71.5\\ \\=27.4$

Meaning: the ball throw into the air with an initial velocity of 22 meters per second is 27.4 meters above the ground after 3 seconds.

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3 years ago