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chubhunter [2.5K]
3 years ago
12

Right a real problem using mixed numbers whose sum is one and three-fifths

Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0
Bob is having a birthday party and buys 2 pizzas. His sister Catherine eats 1/5 and Bob eats the same amount as her. How much of the pizza is left over for all the guests?
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Which of the following facts did your answer include?
never [62]

Answer:

You forgot to attach the image

7 0
3 years ago
50 Points Please show graph
worty [1.4K]

Answer:

The solutions are x = -9 , x = -5

Step-by-step explanation:

* Lets find the vertex of the parabola

- In the quadratic equation y = ax² + bx + c, the vertex of the parabola

 is (h , k), where h = -b/2a and k = f(h)

∵ The equation is y = x² + 14x + 45

∴ a = 1 , b = 14 , c = 45

∵ h = -b/2a

∴ h = -14/2(1) = -14/2 = -7

∴ The x-coordinate of the vertex of the parabola is -7

- Lets find k

∵ k = f(h)

∵ h = -7

- Substitute x by -7 in the equation

∴ k = (-7)² + 14(-7) + 45 = 49 - 98 + 45 = -4

∴ The y-coordinate of the vertex point is -4

∴ The vertex of the parabola is (-7 , -4)

- Plot the point on the graph and then find two points before it and

 another two points after it

- Let x = -9 , -8 and -6 , -5

∵ x = -9

∴ y = (-9)² + 14(-9) + 45 = 81 - 126 + 45 = 0

- Plot the point (-9 , 0)

∵ x = -8

∴ y = (-8)² + 14(-8) + 45 = 64 - 112 + 45 = -3

- Plot the point (-8 , -3)

∵ x = -6

∴ y = (-6)² + 14(-6) + 45 = 36 - 84 + 45 = -3

- Plot the point (-6 , -3)

∵ x = -5

∴ y = (-5)² + 14(-5) + 45 = 25 - 70 + 45 = 0

- Plot the point (-5 , 0)

* To solve the equation x² + 14x + 45 = 0 means find the value of

  x when y = 0

- The solution of the equation x² + 14x + 45 = 0 are the x-coordinates

 of the intersection points of the parabola with the x-axis

∵ The parabola intersects the x-axis at points (-9 , 0) and (-5 , 0)

∴ The solutions of the equation are x = -9 and x = -5

* The solutions are x = -9 , x = -5

5 0
3 years ago
X-1 divided by x^3+3x^2+3x+2
solmaris [256]

Answer:

76x

Step-by-step explanation:

qdqdqd

8 0
3 years ago
Which is the graph of the linear equation x – 2y = 6?
MatroZZZ [7]

would this be considered rise over run?


4 0
3 years ago
Read 2 more answers
I'll give brainliest ​
aleksandrvk [35]

Step-by-step explanation:

Given

< a = 145°

< a + < b = 180° { Being supplementary angles }

145° + < b = 180°

< b = 180° - 145°

< b = 35°

Hope it will help :)❤

4 0
3 years ago
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