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tresset_1 [31]
3 years ago
9

What is -5x^2 = -50?

Mathematics
2 answers:
Alexeev081 [22]3 years ago
7 0
Move terms to the left side
5x^2 = -50
5x-(-50)=9
Use the quadratic formula
x= -0 ±√0^2-4*5*50/ 2*5
Simplify
x=0 ± √-1000/10
answer: No real solutions because the discriminant is negative
dybincka [34]3 years ago
3 0

Answer:

x = 3.1622776

Step-by-step explanation:

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Answer:

MARK AS BRAINLIST

Step-by-step explanation:

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3 years ago
Write a translation rule that maps point D(7,-3) onto point D'(2,5).
Sergio039 [100]
We are given D (7, -3) and D'(2, 5).

SAppy the transformation
D'(x,y) → D(x-5, y+8).
Then 
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6 0
3 years ago
Read 2 more answers
Where was a error made in combining and solving the equation below?
Lera25 [3.4K]
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3 0
3 years ago
Sasha is cutting a cake into 42 equal-sized pieces. If 14 people want cake, then they can each have 3 slices. And if 21 people w
kupik [55]

Answer:

k = 42

the constant of proportionality in this inverse variation is 42.

Step-by-step explanation:

Let x represent the number of people that want cake

And y the number of slices each can have;

Since x is inversely proportional to y;

x = k/y .....1

Where k is the proportionality constant;

To solve for k, we will substitute any of the case scenario given into equation 1.

If 14 people want cake, then they can each have 3 slices;

x = 14 , y = 3

substituting;

14 = k/3

k = 14 × 3 = 42

k = 42

the constant of proportionality in this inverse variation is 42.

Therefore,

x = 42/y

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Answer:

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Step-by-step explanation:

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