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tigry1 [53]
3 years ago
14

A bakery started with 200 muffins in stock when it opened for the day. The table shows points representing the number of muffins

left in stock after serving the given number of customers.
Number of customers served 0 30 60 90
Number of muffins left 200 175 150 125
Let x = the number of customers served and y = the number of muffins left.

Select each of the following equations in point-slope form that represents the number of muffins left in stock.

y−150=−65(x−60)y−150=−65(x−60)

y−150=−56(x−60)y−150=−56(x−60)

y−60=−65(x−150)y−60=−65(x−150)

y−60=56(x−150)y−60=56(x−150)

y−125=−56(x−90)y−125=−56(x−90)

y−175=−56(x−30)y−175=−56(x−30)

y−175=56(x−30)y−175=56(x−30)

y−60=−56(x−150)
Mathematics
2 answers:
Bumek [7]3 years ago
8 0
The equation of a line going through pont (x1,y1) and the slope is m is
y-y1=m(x-x1)

find slope

sloep for 2 points (x1,y1) and (x2,y2) is
(y2-y1)/(x2-x1)

take 2 points
(0,200)
(30,175)
slope=(175-200)/(30-0)=-25/30=-5/6=

we can now make equations

the slope is -5/6
the given points  are
(0,200)
(30,175)
(150,60)
(90,125)

so some equations are
y-200=-5/6(x-0)
y-175=-5/6(x-30)
y-60=-5/6(x-150)
y-125=-5/6(x-90)

pick the choice with those equaitons
umka21 [38]3 years ago
6 0
Im on k12 right now and i know what this question was and what the answers is just give me one sec.

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Can someone please help and explain how to use the Pythagorean Theorem to prove a triangle is a right triangle.
marin [14]

Hi there!

For the Pythagorean Theorem, basically you just need to apply this formula: a^2 + b^2 = c^2

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For example,

15^2 + 8^2 = the hypotenuse^2

Which equals, 225 + 64 = 289

Square root of 289 = 17

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3 years ago
Pls help (ZOOM IN TO SEE FULL PIC)
Margarita [4]

Answer: 15

Step-by-step explanation:

Lets name the missing point as "x"

8^2 + x^2 = 17^2

=> 64 + x^2 = 289

=> x^2 = 289 - 64

=> x^2 = 225

=> x = 15

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Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides
cupoosta [38]

Answer:

8 cm and 9 cm

Step-by-step explanation:

In order to find out, you add both 8 and 9 together. If the sum is above/higher than the number 13, they can all be made into a triangle. 8+9 is 17 and 17 is higher than 13.

hope this helps!

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