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natima [27]
2 years ago
7

At Cindy’s birthday each guest will get two-third of a medium sized pizza. There will be 9 people at the party, including Cindy.

How many pizza’s does her mom need?
Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
8 0

Answer:

6

Step-by-step explanation:

9 x 2/3 = 6

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Step-by-step explanation:

For the point (5,8) to be a solution to the equations, when you insert x=5 and y=8 , they have to equal to the given values

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Depends on where you are in the math book but this would be the most simple way.
n= number
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8 0
3 years ago
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Step-by-step explanation:

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3 years ago
PYTHAGORAS THEROM AND TRIGONOMETRY RATIO​
marysya [2.9K]

Answer:

1) ΔACD is a right triangle at C

=> sin 32° = AC/15

⇔ AC = sin 32°.15 ≈ 7.9 (cm)

2) ΔABC is a right triangle at C, using Pythagoras theorem, we have:

AB² = AC² + BC²

⇔ AB² = 7.9² + 9.7² = 156.5

⇒ AB = 12.5 (cm)

3)  ΔABC is a right triangle at C

=> sin ∠BAC = BC/AB

⇔ sin ∠BAC = 9.7/12.5 = 0.776

⇒ ∠BAC ≈ 50.9°

4) ΔACD is a right triangle at C

=> cos 32° = CD/15

⇔ CD = cos32°.15

⇒ CD ≈ 12.72 (cm)

Step-by-step explanation:

7 0
3 years ago
Keegan makes a deposit into her savings account at the beginning of the year. The account earns 3% simple interest each year. Sh
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Y= 360.5(1+0.03)^1
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y= 371.315
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3 years ago
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