a. Two forces of 25 newtons and 85 newtons acting on a body form an angle of 55˚. Find the magnitude of the resultant force, to the nearest hundredth of a newton.

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

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in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: