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Bezzdna [24]
3 years ago
9

HELP ME PLEASEEEEEEEEEE

Mathematics
1 answer:
baherus [9]3 years ago
8 0
(2,1) and (3,6)

Slope = (6-1)/(3-2) = 5

y = mx + c
y = 5x + c

at point (2,1)
1 = 5(2) + c
1 = 10 + c
c = -9

y = 5x - 9
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Write an equation of the line that passes through the points (2,-4) and (0,-4)
lions [1.4K]

Answer:

slope-intercept formula ----->  Y2-Y1/X2-X1

Step-by-step explanation:

X1= 2       X2= 0

Y1= -4     Y2= -4

-4+4/0-2=0

               

8 0
3 years ago
If f={(-1,-3), (1,1),(2,3),(4,6)} and g={(-1,-1),(1,7),(4,3)} what is (f+g)(4)?
svet-max [94.6K]

Answer:

(f + g)(4) = 9

Step-by-step explanation:

We have that:

f = {(-1,-3), (1,1),(2,3),(4,6)}

this means that:

f(-1) = -3

f(1) = 1

f(2) = 3

f(4) = 6

and we also know that:

g = {(-1,-1),(1,7),(4,3)}

hich means that:

g(-1) = -1

g(1) = 7

g(4) = 3

Now we want to find:

(f + g)(4)

For the general case of two functions f(x) and g(x)

(f + g)(x) = f(x) + g(x)

Then:

(f + g)(4) = f(4) + g(4)

and we know both of these values, so we can just replace them:

(f + g)(4) = f(4) + g(4) = 6 + 3 = 9

Then we get:

(f + g)(4) = 9

5 0
3 years ago
Suppose there is a 1.1 degrees Fahrenheit drop in temperature for every thousand feet that an airplane climbs into the sky. If t
sp2606 [1]

Answer:

47.6 Degree Fahrenheit

Step-by-step explanation:

Given:

The Airplane is on the ground level at a temperature 59.7 Fahrenheit. Every 1,000 feet there will be drop in temperature which is 1.1 degrees Fahrenheit.

Initial Temp = 59.7 Fahrenheit

Distance Covered = 11,000 Ft

Explanation:

This means the Ground level is zero feet as the Airplane stands there.

Later, it climbs into the sky with 11,000 altitude.

That is 11 * 1000

For every 1,000 there is decrease in temperature of 1.1 degree Fahrenheit

Therefore, 11 times the temperature will decrease

That is  11 * 1.1

12.1 Degree temperature will drop at 11,000 feet

Therefore

Temperature at 11,000 feet will be 59.7 - 12.1

47.6 Degree Fahrenheit

7 0
3 years ago
nd the surface area of a cylinderose radius is 1.2 mm and whoseheight is 2 mm.Round to the nearest tenth.SA = [?] mm²
AleksAgata [21]

Step 1

Given;

\begin{gathered} A\text{ cylinder with radius 1.2mm} \\ Height=2mm \end{gathered}

Required; To find the area

Step 2

The area of a cylinder is given as;

\begin{gathered} A=2\pi rh+2\pi r^2 \\ A=(2\times\pi\times1.2\times2)+(2\times\pi\times1.2^2) \\ A=4.8\pi+2\times\:1.2^2\pi \\ A=24.12743mm^2 \\ A\approx24.1mm^2 \end{gathered}

Answer;

3 0
1 year ago
The options are: <br> A. X=24.87<br> B. X=16/7<br> C. X=16<br> D. X=59
Orlov [11]

Answer:

A. and D.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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