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3241004551 [841]
3 years ago
13

Point F is on circle C.

Mathematics
1 answer:
jeyben [28]3 years ago
8 0
We know that :  GF = GC + CF.Also, CF is a radius. So CF = 7.5 unitsTo find GC we will use the Pythagorean theorem.GC² = 10² + 7.5²GC² = 100 + 56.25GC² = 156.25GC = √ 156.25GC = 12.5GF = 12.5 + 7.5 = 20Answer:  d. 20 units.
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Three numbers are in the ratio 1:3:5 and their sum is 270. find the largest number.
Sphinxa [80]

Answer:

<u>150</u>

Step-by-step explanation:

Let :

⇒ The numbers can be denoted as <u>x</u>, <u>3x</u>, and <u>5x</u>

<u />

=============================================================

Solving :

⇒ It mentions their sum is 270

⇒ x + 3x + 5x = 270

⇒ 9x = 270

⇒ x = 30

=============================================================

Largest number :

⇒ 5x

⇒ 5(30)

⇒ <u>150</u>

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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