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stiv31 [10]
3 years ago
6

Is 9/15 a rational or irrational number

Mathematics
2 answers:
Nataly_w [17]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

Rational numbers include fractions, decimals, whole numbers, and integers.

irinina [24]3 years ago
4 0

Answer: rational

Step-by-step explanation:because a fraction is a rational number

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In the figure below, the segment that appears to be tangent to the circle is tangent to the circle. Which of the following is th
maria [59]

Answer:

Step-by-step explanation:

Check attachment for diagram,

Since line AB is tangent to the circle then, <OAB is a right angle,

Then, we can apply Pythagoras theorem to the right angle triangle,

NOTE: from the centre of the circle to the tangent point at A is the radius of the circle,

And also, the total length of OB is

OB = r + 15

Then, applying Pythagorean theorem

OB² = OA² + AB²

(r+15)² = r² + 25²

(r+15)(r+15) = r² + 625

r² + 15r + 15r + 225 = r² + 625

Collect like terms

r² + 30r - r² = 625 - 225

30r = 400

Divide both sides by 30

r = 400 / 30

r = 13.33

So, the diameter of the circle is related to the radius by the relation

Diameter = 2 × radius

d = 2 × r

d = 2 × 13.33

d = 26.67

To the nearest tenth implies that to 1d•p

d ≈ 26.7

So, the diameter of the circle is 26.7

6 0
3 years ago
6. 2(x + 6) = 3(x + 1)
diamong [38]

Answer:

x=9

Step-by-step explanation:

2(x + 6) = 3(x + 1)

2x+12=3x+3

2x+12-12=3x+3-12

2x=3x-9

2x-3x=-9

-1x=-9

-1x÷-1=-9÷-1

x=9

7 0
3 years ago
Read 2 more answers
Given a circle in the complex plane with a diameter that has endpoints at: -12 − i and 18 + 15i Find the center of the circle. +
azamat

Answer: The center of the circle is 3+7i

Explanation: Let z1 and z1 be the two end points and c be the center to be determined. The center lies half of the difference between z1 and z1, measured from z1:

z_1=-12-i\\z_2=18+15i\\c=z_1+\frac{z_2-z_1}{2}=-12-i +15+8i=3+7i

4 0
3 years ago
Read 2 more answers
Someone please help, I'm stuck!
Oxana [17]
If you plot all the points, you'll see that they lie on the same straight line. Therefore the function is not exponential. 

In terms of the context of your answer choices, the final answer is choice A. The domain values are at regular intervals (in this case 2) while the range values increment by the same value as well (1 in this case).
4 0
3 years ago
Solve for x helpppp pleaseee
Nutka1998 [239]

Answer:

10

Step-by-step explanation:

360=95+95+15+7x+15+7x

360-95-95-15-15=7x+7x

140=14x

140/14=x

10=x

6 0
3 years ago
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