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ehidna [41]
3 years ago
13

What is the distance from the point at (2,-1) to the line y=4 A. 4 B. 5 C. 6 D.7

Mathematics
1 answer:
STatiana [176]3 years ago
7 0
The answer would be B.5

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I need help ASAP. I'm not good with math.
bonufazy [111]

Given:

The increase in pressure P is the linear function of the depth d.

P(d)=0.445d+14.7

The cost of dinner is $300 and $10 per students.

To find:

The initial value and rate of change and their interpretation.

Find the cost function C where n is the number of students.

Solution:

The slope intercept form of a linear function is

f(x)=mx+b          ...(i)

where, m is rate of change and b is y-intercept or initial value.

We have,

P(d)=0.445d+14.7        ...(ii)

From (i) and (ii), we get

m=0.445,b=14.7

The initial value is 14.7. It means, the pressure at sea level is 14.7 pounds psi.

Rate of change is 0.445. It means, the pressure is increasing by 0.445 pounds psi for every feet.

The cost of dinner is $300 and $10 per students.

Let C(n) be the total cost for dinner and n be the number of students.

Fixed cost = $300

Additional cost for 1 student = $10

Additional cost for n student = $10n

Now,

Total cost = Fixed cost + Additional cost

C(n)=300+10n

Therefore, the required cost function is C(n)=300+10n.

8 0
2 years ago
Please help me Simplify 1-9÷7+3
Marina86 [1]

Answer :

the answer is -4/5 or -0.8

step-by-step explanation:

1-9/7+3 = -8/10

now simplify that,

-8/2 = -4

10/2 = 5

so we have -4/5 0r -0.8

4 0
3 years ago
Read 2 more answers
What is the value of x<br> (2x+6)=32
OLEGan [10]

Answer:

the value of x is 13 because 2 times 13 equals 26 and 26 plus 6 equals 32.

7 0
3 years ago
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What is one reason why we add and subtract decimals
NemiM [27]
Because if you did not you would not have a exact answer.

5 0
3 years ago
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Im B.O.R.E.D I NEED TO T.A.L.K
FromTheMoon [43]

Answer: hi thanks for the five

Step-by-step explanation:

5 0
3 years ago
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