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andreyandreev [35.5K]
3 years ago
8

Use the graph to write an equation that represents the relationship between X and Y.​

Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0

Answer:

The equation is  y=x-3

Step-by-step explanation:

Observing the graph

Let

A(3,0), B(15,12)

step 1

Find the slope m

m=(12-0)/(15-3)=12/12=1

step 2

Find the equation of the line into point slope form

y-y1=m(x-x1)

with the point A(3,0) and the slope m=1

substitute

y-0=(1)(x-3)

y=x-3

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Use the recursive formula f(n) = 0.4 . f(n-1) + 12 to determine the 2nd term if f(1) = 4.
Irina18 [472]

Answer:

Assuming you have f(n)=0.4f(n-1)+12 with f(1)=4, the answer is f(2)=13.6.

Step-by-step explanation:

I think that says f(n)=0.4f(n-1)+12 with f(1)=4.

Now we want to find f(2) so replace n with 2:

This gives you:

f(2)=0.4f(2-1)+12

f(2)=0.4f(1)+12

f(2)=0.4(4)+12

f(2)=1.6+12

f(2)=13.6

5 0
3 years ago
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ExtremeBDS [4]

Answer:

test test 9101112131415

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A watch loses 15 seconds every day how many minutes will it lose in 2 weeks.<br>​
REY [17]

2 weeks = 14 day

14 * 15 = 210 seconds

210/60=3 hours and 30 minutes or 3.5 hours.

8 0
2 years ago
Find the following limit or state that it does not exist. ModifyingBelow lim With x right arrow minus 2 StartFraction 3 (2 x min
leva [86]

Answer:

-60

Step-by-step explanation:

The objective is to state whether or not the following limit exists

                                \lim_{x \to -2}  \frac{3(2x-1)^2 - 75}{x+2}.

First, we simplify the expression in the numerator of the fraction.

3(2x-1)^2 -75 = 3(4x^2 - 4x +1) -75 = 12x^2 - 12x + 3 - 75 = 12x^2 - 12x -72

Now, we obtain

                         12(x^2-x-6) = 12(x+2)(x-3)

and the fraction is transformed into

                       \frac{3(2x-1)^2 - 75}{x+2} =  \frac{12(x+2)(x-3)}{x+2} = 12 (x-3)

Therefore, the following limit is

       \lim_{x \to -2}  \frac{3(2x-1)^2 - 75}{x+2} = \lim_{x \to -2}  12(x-3) = 12 \lim_{x \to -2} (x-3)

You can plug in -2 in the equation, hence

                        12 \lim_{x \to -2} (x-3) = 12 (-2-3) = -60

6 0
3 years ago
Reese wants to organize a party and decides to save money for it.He calculates that he needs $420 in 9 weeks.He already has $60
disa [49]

Answer:

3840

Step-by-step explanation:

5 0
2 years ago
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