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Sedbober [7]
3 years ago
6

8.07 Rational or irrational

Mathematics
2 answers:
solniwko [45]3 years ago
8 0

Answer:

Rational

Step-by-step explanation:

Setler79 [48]3 years ago
5 0
Rational Hope this helps
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Angie and Becky each completed a separate proof to show that the measures of vertical angles AKG and HKB are equal. Who complete
Svetllana [295]

Vertical angles are angles which are <u>opposite</u> to each other and have <u>equal</u> measures. With respect to the given proof, <em>Angie</em> completed the proof <em>incorrectly</em>.

<em>Two</em> angles are said to be <u>vertical</u> when they are <em>opposite</em> to one another and have <em>equal</em> measures. However, two angles are <u>supplementary</u> if they <u>add</u> <u>up</u> to 180°.

So, comparing Angie's and Becky's proofs, it can be deduced that from Angies proof:

1. Segment GH intersects segment AB at K (1. Given)

2. m∠AKG + m∠GKB = 180° (2. Definition of Supplementary Angles)

   m∠GKB + m∠HKB = 180°   (2. Definition of Supplementary Angles)

3. m∠AKG + m∠ GKB = m∠GKB + m∠HKB  (3. Substitution Property)

4. m∠AKG = m∠HKB (4. Subtraction Property)

Note:

  • Step 2 should be Angle Addition Postulate, since:

   m∠AKG + m∠GKB = 180°

   m∠GKB + m∠HKB = 180°

So that;

   m∠AKG + m∠GKB = m∠GKB + m∠HKB

<u>Subtract</u> m∠GKB from both sides to have;

m∠AKG = m∠HKB (which is the proof for step 4)

Therefore, <u>Angie</u> completed the poof <em>incorrectly</em> because of the properties of steps 2 and 4.

A diagram is herewith attached for more clarifications.

Visit: brainly.com/question/24529637

8 0
2 years ago
Given 2 similar polygons with scale factor 5:7 and the perimeter of the larger polygon are 490 inches, find the perimeter of the
melisa1 [442]

Answer:

  350 inches

Step-by-step explanation:

The 7 "ratio units" represent 490 inches, so each represent 490/7 = 70 inches. Then 5 "ratio units" will represent 5×70 inches = 350 inches.

  smaller perimeter : larger perimeter

  = 5 : 7

  = (350 inches) : (490 inches)

5 0
3 years ago
What is the value of the expression (9+15)/3+2?
KIM [24]
(9+15)/3+2
24/3+2
8+2
10
6 0
3 years ago
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The mean number of points scored by the los angeles lakers was 101.7. in what proportion of their game did the celtics score mor
Alex787 [66]
Thank you for posting your question here at brainly. I hope the answer will help. Belowis the solution:

Let X be a random variable for the Celtics score. Then you want 

<span>P(X > 101.7) </span>
<span>  1 - P(X < 101.7) </span>
<span>  = 1 - P((X - μ)/σ < (101.7 - 99.2)/10.5)) </span>
<span>  = 1 - N_Z(0.2381) </span>
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3 years ago
Find the total surface area of the square pyramid in the figure.<br><br> thanks!!
Viefleur [7K]

Answer:

B: 144 yd²

Step-by-step explanation:

It's a square pyramid : Base area 8 x 8 = 64

4 side area:((8 x5) /2) x 4 = 80

Total area: 64 +80 = 144

5 0
3 years ago
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