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densk [106]
3 years ago
9

$18 for bracelets; $30 for 5 bracelets

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0
What is the question?
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The world’s population is currently estimated at 7,125,000,000. What is this to the nearest billion? billion
Oksana_A [137]

Answer:

7,000,000,000

Step-by-step explanation:

since the closest number is less than 5 (1<5) you round down making the nearest billion 7

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If a board game was originally $25 and it was on sale for $18 what is the percent of discount
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The percent of the discount is 28 percent off
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What is the amplitude of the graph of
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It is 2 :)
Y=A sin(B(x+C))+D

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4 0
2 years ago
One of the legs of a right triangle is twice as long as the other, and the perimeter of the triangle is 35. Find the
Aloiza [94]

Answer:

6.68, 13.37, 14.95

Step-by-step explanation:

One of the legs is twice as long as the other.

b = 2a

The perimeter is 35.

35 = a + b + c

The triangle is a right triangle.

c² = a² + b²

Three equations, three variables.  Start by plugging the first equation into the second and solving for c.

35 = a + 2a + c

c = 35 − 3a

Now plug this and the first equation into the Pythagorean theorem:

(35 − 3a)² = a² + (2a)²

1225 − 210a + 9a² = a² + 4a²

1225 − 210a + 4a² = 0

Solve with quadratic formula:

a = [ -(-210) ± √((-210)² − 4(4)(1225)) ] / 2(4)

a = (210 ± √24500) / 8

a ≈ 6.68 or 45.82

Since the perimeter is 35, a = 6.68.  Therefore, the other sides are:

b ≈ 13.37

c ≈ 14.95

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3 years ago
What 54/100 in simplest form
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27/50

Step-by-step explanation:

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