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algol13
3 years ago
10

At the surface of the ocean the water pressure is the same as the air pressure above the water, 15 lb/in2. Below the surface the

water pressure increases by 4.34 lb/in2 for every 10 ft of descent. Find an equation for the relationship between pressure (P, in lb/in2) and depth (d, in ft) below the ocean surface.
Mathematics
1 answer:
Stels [109]3 years ago
6 0
(0, 15)

(10, 19.34)



m = (19.34 - 15) / (10 - 0) = .434



P(d) - .434d + 15
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Jay made a pizza he gave 1/4 of it to his mother 1/4 his father and one eight to his sister how much of the pizza is left
vesna_86 [32]
There is 3/8 of the pizza.
4 0
3 years ago
I need to know what mathematical operation applies to Problem: Tricia manages the front office at a local doctor's office and ne
Mrrafil [7]
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</span> <span> Monday               480             480
</span><span>Tuesday              450             480
</span> <span> Wednesday        495             480
</span> <span> Thursday             480             480
</span> <span> Friday                   300             480
</span> <span> Total (minutes) 2205           2400

Week 1: 2205 mins / 60 mins = 36.75 hours
Week 2: 2400 mins / 60 mins = 40 hours

Add up all the minutes in a week. 
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4 0
3 years ago
PLEASE HELP! <br><br> i’ll mark brainliest if you’re correct!
Jobisdone [24]

Answer:

y = 5

Step-by-step explanation:

Since this is an isosceles triangle, Angle B and Angle C are equivalent. We can use this to find x

3x = 75

x = 25

Angles in a triangle add up to 180, so knowing the measure of Angle B and Angle C, we can find the measure of Angle A

Angle A = 180-(75+75)

Angle A = 180-150

Angle A = 30

We know Angle A = 4y+10

4y + 10 = 30

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6 0
2 years ago
A number n is increased by 8. If the cube root of that results equals -0.5, what is the value of n?
jek_recluse [69]

The cube root of (n increased by 8), or  ∛(n+8), is -0.5, or -1/2.

∛(n+8) = -1/2.  To solve this for n, cube both sides, obtaining n+8 = -1/8.

Eliminate the fraction by mult. all three terms by 8:             8n + 64 = -1

Solving for n:  8n = -65, so that n = -65/8.

8 0
3 years ago
(-4,6); slope = -3/4​
yawa3891 [41]

Answer:

y-6=-3/4(x+4)

Step-by-step explanation:

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m=-3/4

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6 0
3 years ago
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