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Umnica [9.8K]
3 years ago
14

Which best explains what determines whether a number is irrational?

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0
D. a number that can be written as a decimal that’s terminated and does not repeat
aleksandrvk [35]3 years ago
3 0

Answer:

The last one, a number that can be written as a decimal thats terminates and does not repeat.

Step-by-step explanation:

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7 1/2 ÷ 9 equals what
alexira [117]
It equals 5/6. If you want to know why, just ask me.
3 0
3 years ago
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I need need help on this
Crazy boy [7]

Answer:

points A, B and D are all in the same plane but not all are on the same line

Step-by-step explanation:

points A, C, D are all collinear which means they must also be coplanar

3 0
3 years ago
I'M OFFERING 20 POINTS-
Dafna11 [192]

Answer:

Third option is correct. Scale factor 3 ; enlargement.

Step-by-step explanation:

It is given that the figure A'B'C'D' is a dilation of figure ABCD.

We know that after dilation the corresponding sides of image and preimage are in the same proportion.

The image of AD is A'D'.

From the figure it is noticed that the A(-1,2), D(-1,-1), A'(-3,6) and D'(-3,-3).

Distance formula is

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

AD=\sqrt{(-1+1)^2+(-1-2)^2}=\sqrt{9}=3

A'D'=\sqrt{(-3+3)^2+(-3-6)^2}=\sqrt{81}=9

Scale factor is constant which represents the relation between image and preimage.

k=\frac{A'D'}{AD}

k=\frac{9}{3}

k=3

Therefore the scale factor is 3.

If k>0 it means enlargement and if k<0 it means reduction. Therefore third option is correct.

3 0
3 years ago
Read 2 more answers
Trevor performed an experiment in which he randomly pulled a card from a standard deck, recorded the card's value, returned the
Alika [10]

Ansi dont know

Step-by-step explanation:

4 0
2 years ago
Multiply.
prohojiy [21]

Answer:

D. 3x² + 19x - 14

Step-by-step explanation:

Use FOIL to find the answer.

First: x * 3x = 3x²

Outer: -2 * x = -2x

Inner: 3x * 7 = 21x

Last: 7 * -2 = -14

Form the equation:

3x² - 2x + 21x - 14

Combine like terms.

3x² + 19x - 14

8 0
3 years ago
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