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Alex
2 years ago
14

What percentage of the shape is purple?

Mathematics
2 answers:
Shkiper50 [21]2 years ago
7 0

Answer:

85%

Step-by-step explanation:

There are 4·5=20 boxes total.

4·4+1=16+1=17 of them are purple

17/20

17/20 as a decimal is 0.85

To convert a decimal into a percent multiply it by 100

0.85·100=85%

iVinArrow [24]2 years ago
5 0

Answer:

85%

Step-by-step explanation:

4 * 5 = 20 blocks in total

3 blocks uncovered.

so,  ( 20 - 3 ) / 20  * 100

= 85%

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In a cave, a stalactite gets 44 millimeters longer each year. this year it is 72 centimeters long. how many years until it is 1
iragen [17]

Answer:

6.36 years (the .36 repeats), so rounded is 6.4.

Step-by-step explanation:

First, I'm going to convert all measurements to meters.

Since 1000 mm = 1 m, divide 44 by 1000.

44/1000 = 0.044 m

Since 100 cm = 1 m, divide 72 by 100.

72/100 = 0.72 m

Next, I'm going to setup an equation using y = mx + b.

b is the beginning amount which is 0.72.

m in the equation represents the rate which is 0.044.

y represents the total which is 1.

Plugin the numbers and solve for x.

1 = 0.044x + 0.72

1 - 0.72 = 0.044x + 0.72 - 0.72

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2 years ago
The perimeter of a triangle is 6x. One side is x+3 and another side is 2x+4. What is the length of the 3rd side?
maxonik [38]
Let y = the length of the 3rd side
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3 years ago
Given f(x) = x^2 + 3 , work out the value of f(4)
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Answer: 19

Step-by-step explanation:

f(4)=(4)^2+3=16+3=19

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(-2q^4)(-8q^3b^6)<br>help I need to simplify this problem
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