A car depreciated $1500 each year it was owned and driven. What type of depreciation is this?
2 answers:
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The number of hours he worked in all (written in fraction form) is
From the question,
Mario worked from 8:25 to 12:45 yesterday.
From 8:25 to 12:45 gives 4 hours 20 minutes
Also, from the question,
Today he will work from 11:20 to 3:10
From 11:20 to 3:10 gives 3 hours 50 minutes
To determine the number of hours he work in all, we will add the time spent working on the previous day to that of the current day. That is,
4 hours 20 minutes + 3 hours 50 minutes = 8 hours 10 minutes
Now, to put the answer in fraction form, we will convert 10 minutes to hours
NOTE: 60 minutes = 1 hour
∴ 10 minutes = =
∴ 8 hours 10 minutes =
Hence, the number of hours he worked in all (written in fraction form) is
Learn more here: brainly.com/question/3164396
Answer:
Fred C. 16.30 ft
Gary B. 169.67 m
Step-by-step explanation:
Fred the owl...
Always <u>draw a diagram first</u> (see diagram below). We assume trees are perpendicular (at 90°) to the ground. The situation forms a right-angle triangle.
We need to <u>find "x"</u>, which is the direct distance between the owl and the bird. "x" is also the hypotenuse, which is the longest side in a right-angle triangle. Since we know a side and an angle, we can find the hypotenuse using primary trigonometry ratios.
∠B will be the angle of reference (the angle we are "talking" about). The side we know is opposite to ∠B (15ft). We know it's opposite because it's not touching the angle. The side we need to find is the hypotenuse.
<u>Use the trig. ratio sine</u> because it has opposite and hypotenuse in it. The general formula is:
sinθ = opp/hyp
θ means the angle, and we know it is 67°.
Replace all the information you know:
sinB = opp/hyp
sin67° = (15ft) / x Isolate "x". Rearrange the equation.
xsin67° = (15ft) Divide both sides by sin67°
x = (15ft) / sin67°
x = 16.295... ft Exact answer in decimals
x ≈ 16.30 ft Rounded to nearest hundredth
Therefore Fred the owl is 16.30 feet from the bird.
Gary spots a monkey...
Draw a diagram first (see below). G is Gary, M is the monkey, T is the bottom of the Sears Tower. We need to <u>find "x"</u>, which is the distance between the monkey and the bottom of the tower.
The angle of reference is M, which is 69°. We need to find the adjacent side and we know the opposite side. <u>The trig. ratio that has adjacent and opposite is tangent.</u>
tanθ = opp/adj
Replace all the information you know:
tanM = opp/adj
tan69° = (442m) / x Rearrange the formula to isolate "x"
xtan69° = 442m Divide both sides by tan69°
x = 442m / tan69° Solve by dividing
x = 169.6679.... m Exact decimal answer
x ≈ 169.67m Rounded to the nearest hundredth
Therefore the monkey is 169.67 metres from the tower.
Remember all the trig. ratios using the acronym SohCahToa.
o = opposite side
a = adjacent side
h = hypotenuse side
S = sine, sin for short
C = cosine, cos for short
T = tangent, tan for short
The operation is always dividing the first side in the acronym by the second side.
sinθ = opp/hyp
cosθ = adj/hyp
tanθ = opp/adj
