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Hunter-Best [27]
3 years ago
11

Hilary was scuba diving. She was 30 feet below the surface when she swam toward the dive platform. She dropped her camera when s

he was 10 feet from the surface and had to swim down 15 feet to get it. At what elevation did Hilary retrieve her camera?
-10 feet
-15 feet
-25 feet
-30feet
Mathematics
2 answers:
natta225 [31]3 years ago
7 0

Answer:

-25 feet

Step-by-step explanation:

Svetlanka [38]3 years ago
4 0
The answer is 25 feet i hope it helps!

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[SCREENSHOT INCLUDED] Which of the following is the best estimate of f '(2) based on this table of values?
mel-nik [20]

Using derivatives, it is found that the best estimate of f '(2) based on this table of values is of 10.

The rate of change <u>from x = 0 to x = 2</u> is given by:

r_1 = \frac{2 - (-16)}{2 - 0} = \frac{18}{2} = 9

From <u>x = 2 to x = 4</u>, it is given by:

r_2 = \frac{24 - 2}{4 - 2} = \frac{22}{2} = 11

The average of these rates is:

A = \frac{r_1 + r_2}{2} = \frac{9 + 11}{2} = 10

Hence, the best estimate of f '(2) based on this table of values is of 10.

To learn more about derivatives, brainly.com/question/18590720

6 0
2 years ago
Write and solve an equation to find the value of x.
Law Incorporation [45]

Answer: y+44+68=180

Step-by-step explanation: y+44 and 68 are complementary angles so they add to equal 180

4 0
3 years ago
A body and tackle with a velocity ratio of 5 is used to raise a mass of 50kg through a vertical distance of 20n at a steady rate
matrenka [14]

a. Distance moved by effort = 1 meter

b. Work done by effort = 80 Joules

c. Losses in energy = 18 Joules

<h3>How to determine the parameters</h3>

a. Note that velocity ratio is defined as the ratio of a distance through which any part of a machine moves to the distance moved by its parts

Velocity ratio = distance moved by the effort/distance moved by the body

Where velocity ratio = 5

vertical distance = 20cm

Distance moved by effort = 5 × 0. 20 = 1 meter

b. Formula for work done is given as ;

Work done = Effort × distance moved by effort

Work done = 80 × 1

Work done = 80 Newtons

c. First, let's find the work output

Work output = m g h

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Work output = 98 Joules

Losses in energy = Work output - work done

Losses in energy = 98 - 80

Losses in energy = 18 Joules

Learn more about work done here:

brainly.com/question/25573309

#SPJ1

7 0
2 years ago
Justin rides his bicycle 2.5 kilometers to school. Luke walks 1950 meters to school. How much farther does Justin walk than Luke
guapka [62]
Hello!

1950 m = 1.95

2.5 - 1.95 = 0.55

ANSWER: Justin rides his bike 0.55 km father than Luke.

I hope this helped you! c:
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3 years ago
Solve the following formula for m v2=3Pmn
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Answer:

m= 0 /(−3np+v2 )

Step-by-step explanation:

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