Batteries that normally cost a dollar each are on sale at 25% off. How much will four of these batteries cost

Mathematics

1 answer:

Arisa [49]4 years ago

5 0

For 4 batteries at $0.75. So 0.75 x 4 = 3
So the answer is $3

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A surveyor measures the angle of elevation of the top of a mountain from a point at

Sauron [17]

The height of the mountain from a point a sea level is approximately 1496.650 meters.

<h3>What is the height of mountain from sea level?</h3>

First, we construct the <em>geometric</em> diagram of the situation and find all needed angles and sides to determine the height of the mountain. First, we determine the missing side x by the law of sines:

Law of sines

1000 m/sin 3° = x/sin 14.261°

x ≈ 4706.886 m

Now we determine the height of the mountain by <em>trigonometric</em> functions:

h = 100 m + (4706.886 m) · sin 17.261°

h ≈ 1496.650 m

The height of the mountain from a point a sea level is approximately 1496.650 meters.

To learn more on law of sines: brainly.com/question/13098194

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2 years ago

Apple weights in an orchard are normally distributed. from a sample farmer fred determines the mean weight of a box of apples to

Serjik [45]

<span>Mean = 270 Standard deviation = 10 x = 255 Formula for z-score, z = (x - mean)/SD z = (255 - 270) / 10 => z = -15 / 10 => z = -1.5 So by referring to z-table, -1.5 correlates to 0.0668 that implies to 0.07 So 7% of the boxes of Apples weight less than 255oz. The percentage of boxes is in the range of 255 oz and 270 oz, Now calculating the requiring percentage 50% - 7% = 43%</span>

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4 years ago

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Which exponent value makes the statement true? 16=2? 8 6 4 3

nasty-shy [4]

2^4 will equal 16
2x2x2x2
is 4x4 which equals 16

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3 years ago

Solving multi step equations <br> 2y + 8 + 4y = 44

rjkz [21]

Answer:

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