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3 years ago

15

How are integers and rational numbers different

1 answer:

irga5000 [103]3 years ago

5 0

Answer:

An integer is a whole number, positive or negative. A rational number is a number which can be expressed as a fraction between 2 whole numbers. An integer is a rational number, because every integer can be expressed as a fraction between itself and 1, both whole numbers.

Step-by-step explanation:

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The equation y 4.9t 2 3.5t 2.4 relates the height y in meters to the elapsed time t in seconds for a ball thrown downward at 3.5

tamaranim1 [39]

Answer:

$t \approx 0.43\,s$

Step-by-step explanation:

The vertical displacement function is $y(t) = -4.9\cdot t^{2}-3.5\cdot t + 2.4$ , where $y(t)$ is measured in meters and $t$ in seconds. Ball hits the ground when $y(t) = 0$ . That is:

$-4.9\cdot t^{2}-3.5\cdot t + 2.4 = 0$

Whose roots can be found by using the General Formula for Second-Order Polynomials:

$t_{1,2} = \frac{3.5\pm \sqrt{(-3.5)^{2}-4\cdot (-4.9)\cdot (2.4)} }{2\cdot (-4.9)}$

Solutions of this polynomial are:

$t_{1} \approx 0.43\,s,t_{2} \approx -1.14\,s$

Only the first root is physically consistent.

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3 years ago

Graph the function y = 8 –. Which is the best approximation of a point on the function? (4.4, 3.421) (4.6, 4.232) (5.2, 4.025) (

Trava [24]

Answer: (5.9, 3.781)

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3 years ago

What is the converted metric unit for 75 cm

STALIN [3.7K]

Answer:

To inches?

Step-by-step explanation:

75 cm = is about like 30 inches

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2 years ago

On Monday your bank account balance was -$12.58. Because you didn't realize this you wrote a $30.72 check. A. What is the new ba

Liula [17]

A-
-$12.58
B-
-$37.58
C-
You need $37.58 to bring it back up to $0

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3 years ago

What is the the mode of April's temperatures?<br> A<br> B<br> C<br> D

ankoles [38]

Answer:

B: no mode

Explanation:

A mode is a number that occurs often in a set of data. Since all of April's temperatures are different, there is no mode.

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2 years ago

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