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Mumz [18]
2 years ago
15

What is the slope of the line through (-7, -8) and (0,4)

Mathematics
1 answer:
umka21 [38]2 years ago
3 0
The slope is, 12/7 just subtract 4-(-8)/0-(-7)
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Need help with problem will mark brainliest
BARSIC [14]

Answer:

Step-by-step explanation:

Subtract 4 by 2.5 which is 1.5

Divide 4 by 2.5 which is 1.6

Im not sure if you have to divide or subtract so...

3 0
3 years ago
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
Which of the following shows the solution to m+5 >-1
Ne4ueva [31]
The first one m > -6
6 0
3 years ago
Read 2 more answers
Help I need to correct this
Levart [38]
I believe B,C, and D is correct...

please vote my answer brainliest. thanks!
4 0
3 years ago
What is the first step in solving the following system of equations?
Gelneren [198K]

Answer:

B

Step-by-step explanation:

its b solve the first equation for y \

hope this helps

brainliest would be appreciated

8 0
2 years ago
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