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Maurinko [17]
3 years ago
10

The number of students in a chess club decreased from 14 to 12. What is the percent decrease? Round your answer to the nearest p

ercent.
Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Answer:

14.2857% decrease

≈ 14.3% decrease

Step-by-step explanation:

nearest tenths : 14.3%

nearest hundredths : 14.29%

nearest thousandths : 14.286%

I hope my answer is correct, I provided more options because I wasn't sure what nearest percent wanted.

Hope this helps!

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Tangent always meets radius at 90° angle.

Angle ABC = 90° so Pythagoras' theorem applies.

r² + 4² = (r+2)²
r² + 16 = r² + 4r + 4
12 = 4r
r = 3


5 0
3 years ago
What is 12x3-9x2 - 4x + 3 in factored form?
masya89 [10]

Answer:

(4X-3)(3X^2-1)

Step-by-step explanation:

12X^3-9X^2-4X+3=

3X^2*(4X-3)-(4X-3)=

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3 years ago
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Mary and Julie both have a goal of raising $1000 for charity. Mary raises $12 every 4 days. Julie raises $19 every 6 days.
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Answer:

Mary would have a rise of 12 and a run of 4, making her slope, or rate of change, $3 a day. Julie would have a rise of 19 and a slope of 6, making her slope, or rate of change, $3.17 a day. Since Julie is raising money at a faster rate, she would get to the goal of $1000 first.

Step-by-step explanation:

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2 years ago
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The formula for the area of a triangle is A=12bh .
joja [24]

Answer: 42 square feet.

Step-by-step explanation:

1/2 times 12 times 7 is 42.

7 0
3 years ago
There are two home phone plans that Ericka is considering. The first plan charges $35 per month plus $0.18 per minute for long d
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Answer:

500 minutes

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0.18x - 0.16x = 45 - 35

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3 years ago
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