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jek_recluse [69]
3 years ago
15

A submarine elevation is -14 feet relative to sea level. A shark is swimming at elevation of -56 feet what is the difference in

evevation between the submarine and the shark
Mathematics
1 answer:
likoan [24]3 years ago
4 0

In order to solve this kind of problem, we must find the difference between two negative numbers describing elevation. Although when you have 2 negative numbers in a subtraction-elevation problem, the elevation difference won't be negative... It would be positive. -56 - (-14) would usually equal -42 feet but that would just describe a regular negative subtraction problem, so it becomes 42 feet. This answer is positive since it describe the distance between these integers.

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What is the slope of the graph ? Leave your answer as a reduced fraction ?
Juliette [100K]

Answer:

-3/4

Step-by-step explanation:

(-8,4),(0,-2)

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\ \\\\\\\frac{-2-4}{0-(-8)} \\\\\\\frac{-2-4}{0+8}\\\\ \\\frac{-6}{8} or \frac{-3}{4}\\

6 0
3 years ago
Please please help me!!!! :)
kifflom [539]

Answer:

Measure of ∠5 is 142°

Step-by-step explanation:

We are given that, Lines L and M are parallel.

As, the third line is intersecting both line L and M.

<em>We know that, 'The opposite angles formed by the intersecting lines are equal'.</em>

Since, the sum of the four angles formed by the third line and M is 360°.

So, we get,

∠1 + ∠6 + ∠7 + 38 = 360°

i.e. 2∠1 + 2×38°  = 360°

i.e. 2∠1 = 360° - 76°

i.e. 2∠1 = 284°

i.e. ∠1 = 142°

Thus, ∠1 = ∠7 = 142°

Since, L and M are parallel.

So, ∠3 = ∠5 = 142°

Hence, we get that measure of ∠5 is 142°.

3 0
3 years ago
X + 2x + 7 = 3x - 7<br> How do you solve this?
Stella [2.4K]

Answer and explanation:

<em>To solve this, you must find what x equals</em>

x + 2x + 7 = 3x - 7 <em>Add together any numbers that can be added on their side</em>

3x + 7 = 3x - 7  <em>Then subtract 7 from both sides to get 3x alone</em>

3x = 3x - 14 <em> Then subtract 3x from both sides to get x</em>

<h3><em>*The x's cancel each other out so you must have typed the equation wrong. Please check to see any mistakes you may have made*</em></h3>
7 0
3 years ago
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Blizzard [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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The fox population in a certain region has an annual growth rate of 4 percent per year. It is estimated that
Minchanka [31]

Answer:

(a) P(t) = 12100*(1.04^t)

(b) in 2008, estimate of population is 16560 (to the nearest integer)

Step-by-step explanation:

Population in 2000, P(0) = 12100

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(a) function model for the t year after 2000 (exponential model)

P(t) = 12100*(1.04^t)

(b) for 2008,

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= 12100*(1.04^8)

= 12100 * 1.368569

= 16559.7

= 16560  (nearest integer)

7 0
3 years ago
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