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Igoryamba
3 years ago
12

Round 20045 to 4 significant figures.

Mathematics
1 answer:
tresset_1 [31]3 years ago
4 0

Answer:

2005

Step-by-step explanation:

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X + 2 = 3/5(10) - 3
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Answer:

We have been given an equation x^2+9x+20=0

We will factorize it by  middle term splitting.

Step 1: x^2+5x+4x+20=0

Taking common factors out by clubing first two terms ad last two terms

Step 2: x(x+5)+4(x+5)=0

Step 3: (x+4)(x+5)=0

Equating both above factors to zero as:

Step 4: (x+4)=0\Rightarrow x=-4

   And (x+5)=0\Rightarrow x=-5.

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3 years ago
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Look at the figure below: Triangle ABC is a right triangle with angle ABC equal to 90 degrees. The length of AC is 7 units, and
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Answer: 12.25

Step-by-step explanation:

Given the following details :

DAC = 90° and ABC = 90° = right angled

Segment AB is Parallel to segment DC

FROM THE DETAILS ;

Triangle ABC and ACD are similar triangles.

Length AC = 7 Units

Length AB = 4 Units

For similar triangles :

Segment CD /AC = Segment AC / AB

CD / 7 = 7 / 4

Cross multiply

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CD = 49 / 4

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Diane has a rope that is 8 meters long. She cuts away a piece that is 1.67 meters long. How long is the remaining piece of rope?
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Answer:

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Total length of the rope = 8 m

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Remaining piece = Total length - cur length

= 8 m - 1.67 m

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So, 6.33 m is the remaining piece of the rope.

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What’s 39,204 divided by 54
ozzi

Answer:

726

Step-by-step explanation:

39204/54=726

7 0
3 years ago
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