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4 years ago

Is 89/10 rational or irrational

Mathematics

1 answer:

Mrac [35]4 years ago

4 0

Answer:

Yes

Step-by-step explanation:

For 89 to be a rational number, the quotient of two integers must equal 89. In other words, for 89 to be a rational number, 89 must be able to be expressed as a ratio where both the numerator and the denominator are integers (whole numbers). ... Thus, the answer to the question "Is 89 a rational number?" is YES.

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Find the solution of the system of equations.<br> 8x-3y=2<br> -8x-5y=46

Bingel [31]

Answer:

use elimination

8x-3y=2

-8x-5y=46

8x cancel out

-5y-3y= -8y= 48

48/-8= -6y

Step-by-step explanation:

ANSWER= -6y

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4 years ago

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If m∠D + m∠E = 180°, then ∠D and ∠E are classified as what kind of angles?

Archy [21]

The other person is literally wrong. The answer is D. Supplementary because two angles that add up to 180 are supplementary angles.

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3 years ago

The temperature dropped 2 °F every hour for 9 hours. What was the total number of degrees the temperature changed in the 9 hours

Paul [167]

Answer: 18

Step-by-step explanation:

2 degrees per hour

9 hours

1hour = 2 degrees

2hours= 4 degrees

3hr= 6 degrees

4hr= 8 degrees

5hr=10 degrees

6hr= 12 degrees

7hr= 14 degrees

8hr= 16 degrees

9hr= 18 degrees

So you are basically doing 2x9 to get your answer

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4 years ago

Two bicycle wheels are shown below which is closest to the circumference in inches of the larger wheel.

olganol [36]

We estimate the diameter of the larger wheel to be 24 to 25 inches.

The formula for the Circ. of a circle in terms of the diameter is C = pi*d.

Here, the Circ. of the larger wheel is approx C = pi(24 inches) = 24*pi inches,
or

24(3.14) inches = 75.36 inches. You must now choose from the four answer choices. Which one is closes to 75.36 inches?

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3 years ago

If you were constructing a TRIANGULAR FRAME, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a

Yuri [45]

Answer: Yes it is possible to construct a triangle and it will be an isosceles triangle.

Step-by-step explanation:

The triangle inequality says that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining side.

The given sides of the triangle is 4 inches, 4 inches, and 7 inches.

Here,

$4+4=8>7\\7+4>4$

So by triangle inequality, a triangle with sides 4 inches, 4 inches, and 7 inches. is possible.

Since it has two equal sides as 4 inches , then it must be an isosceles triangle.

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4 years ago

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