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Zepler [3.9K]
3 years ago
15

99 POINTS What is the equation of the line graphed?

Mathematics
2 answers:
Maurinko [17]3 years ago
8 0

Answer:

y = 3x-2

Step-by-step explanation:

We have the y intercept  (where it crosses the y axis)

It crosses at y=-2

(0,-2)  We need another point to find the slope.

Another point is (1,1)

The formula for slope is

m=(y2-y1)/ (x2-x1)

We have 2 points (0,-2) and (1,1)

   = (1--2)/(1-0)

   = (1+2)/(1-0)

    3/1

m=3

The slope is 3 and the y intercept is -2

We can use the slope intercept form of the equation

y= mx+b where m is the slope and b is the y intercept

y = 3x-2

rjkz [21]3 years ago
3 0

Answer:

y = 3x - 2

Step-by-step explanation:

Two of the coordinates are (2, 4) and (1, 1). The slope of these is 3/1, or 3. Plug this back in to get that the slope-intercept form is y = 3x - 2.

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2 years ago
Cam and Madison were investing money into two different accounts. They both invested $550
Arlecino [84]

Answer:

After 5 years, Cam's account will have $ 616.04 while Madison's account will have $ 638.53.

Step-by-step explanation:

Given that Cam and Madison were investing money into two different accounts, both investing $ 550 each, and Cam invested into an account at an annual interest rate of 2.7% compounded monthly while

Madison invested into an account that had an annual interest rate of 3% compounded quarterly, to determine the balances of both accounts after 5 years, the following calculations must be performed:

Cam

X = 550 (1 + 0.027 / 12) ^ 5x12

X = 550 (1 + 0.027 / 12) ^ 60

X = 616.04

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X = 550 (1 + 0.03 / 3) ^ 5x3

X = 550 (1 + 0.03 / 3) ^ 15

X = 638.53

Thus, after 5 years, Cam's account will have $ 616.04 while Madison's account will have $ 638.53.

4 0
3 years ago
Anarime estimates that of people booked on the fights actually show up in the e books 70 people on a fight for which the maximum
Mandarinka [93]

Answer:

An airline estimates that 94% of people booked on their flights actually show up. If the airline books 77 people on the flight for which the maximum number is 75, what is the probability that the number of people who show up will exceed the capacity of the plane?

-------------------------

Binomial Problem with n = 77 and p = 0.94

---

P(76 <= x <= 77) = 1-P(0 <=x <= 75) = 1 - binomcdf(77,0.94,75) = 0.0504

==================

Cheers,

Stan H.

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