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serious [3.7K]
3 years ago
12

Find b. Round to the nearest tenth:

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
6 0

Answer:

6.7 cm

Step-by-step explanation:

A+B+C=180°

55°+B+82°=180°

B=43°

Using the formulae

(Sin A)/a = (Sin B)/b

(Sin 55)/8 = (Sin 43)/b

b = [8(Sin 43)]/(Sin 55)

b= 6.7 cm

Nonamiya [84]3 years ago
4 0

Answer:

always b is equal to 9 is rhdx forum post in is ek of

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Step-by-step explanation:

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3 years ago
Given f(x)=x^4-7x^3+6x^2+8x+9
posledela
The workings to the answers are in the attachments below. Open them up in a new window to see them in full.

Lowest Point On The Graph:

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Highest Point On The Graph:

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2nd Lowest Point On The Graph:

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A rock with mass of 5.0 kg is carried up a small hill 10 meters high. What is the potential energy of the rock at the hilltop?
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490J

Step-by-step explanation:

Given parameters:

Mass of rock = 5kg

Height of hill = 10m

Unknown:

Potential energy at the hilltop = ?

Solution:

Potential energy is the energy at rest of a body. it is given as:

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m is the mass of the body

g is the acceleration due to gravity = 9.8m/s²

h is the height of the hilltop

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Learn more:

Potential energy brainly.com/question/10770261

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5 0
3 years ago
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iris [78.8K]

Answer:

36 times.

Step-by-step explanation:

3/5=0.6

2/5=0.4

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Step-by-step explanation:

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