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Arisa [49]
3 years ago
10

I'm really confused on point-slope form, and slope-intercept form. Can anyone help?

Mathematics
1 answer:
kompoz [17]3 years ago
4 0
Point slope form is

Y-y1=m(x-x1)

-in this^ u only should put number in the y1, m, and x1
-m is your slope

Slope intercept form is

Y=mx+b

-start out with putting numbers in m and b and then you'll find your way to your y and x
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20 POINTS HELP FAST
olga nikolaevna [1]

Answer:

the answer is 20/72 = x/480 . this is because u have to add the numbers for the first sample to find the sample size and then make a ratio to determine if the sample size increases to 480 .

3 0
2 years ago
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Math need help asap, please!!! 19 points if you help. NO LINKS
olchik [2.2K]

Answer:

1st pic: straight for both boxes

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Step-by-step explanation:

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8 0
2 years ago
Draw a picture to show how 2/3 of jakes pizza can be equal to 3/6 of a pizza from als
Harlamova29_29 [7]
2/3 of a pizza is more than half of the pizza.


3/6 = 1/2, so 3/6 of a pizza is exactly half of the pizza.


Given that two pizzas are of different sizes you need to calculate the areas of each pizza and compare them.


Assumming that the two pizzas are circular, you can calculate the area of each pizza from the formula of the area for a circle:


Area of a circle = π * (radius)^2.



Call r the radius of Jake's pizza and R the radius of Al's pizza. Then:


Area of Jake's pizza = π (r^2) and 2/3 of that is: 2π(r^2) / 3.


Area of Al's pizza = π (R^2) and 1/2 of that is π(R^2)/2


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3 0
3 years ago
Please help me with this question
adoni [48]

Answer:

y = e^{x^2 - 3x}\\\\\\Let \ u = x^2 - 3x\\\\y = e^u\\\\\frac{dy}{du} = e^u\\\\\frac{du}{dx}  = 2x - 3\\\\y' = \frac{dy}{dx}  = \frac{dy}{du} *\frac{du}{dx} = e^u * (2x -3)\\\\Substitute \ u = x^2 -3\\\\y' = (2x -3)e^{x^2-3x}\\\\option A

5 0
3 years ago
Find the two values that x can have if x2 – 12 = 37​
Sauron [17]

Answer:

x1= -7 , x2 = 7

Step-by-step explanation:

x^2 = 37 +12

x^2 = 49

x = -7 or 7

4 0
3 years ago
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