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Marta_Voda [28]
2 years ago
12

Question is in the picture

Mathematics
2 answers:
ANTONII [103]2 years ago
8 0

Answer:

She forgot to flip the inequality sign when dividing both sides by -4

Luden [163]2 years ago
6 0

Clare made error in last step...

Last step is x>-5 insted of x<-5..(she forgot to reverse the inequality sign if we multiply or divide both sides of the inequation by negative number)

.

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Define the set X = {(x,y)|x &gt; 0,y ≤ √x}.
Kitty [74]

The set X is convex.

In geometry, a subset of an affine space over the real numbers, or more broadly a subset of a Euclidean space, is said to be convex if it contains the entire line segment connecting any two points in the subset. A solid cube is an example of a convex set, whereas anything hollow or with an indent, such as a crescent shape, is not. Alternatively, a convex region is a subset that crosses every line into a single line segment.

b)The set X is convex as any two points on the set X is included in the whole set as x>0. So a line joining any two points on the set X is completely inside the set x.

c)set X is not a closed set as the compliment of the set is not an open set.

d)Set X is not bounded. If a set S contains both upper and lower bounds, it is said to be bounded. A set of real numbers is therefore said to be bounded if it fits inside a defined range. hence set x is not bounded.

To learn more about convex sets:

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3 0
1 year ago
What is the negation of this statement x+y 10?
andre [41]
I'm not sure what your statement is.
Is it x+y = 10?

Because if it is, the negation of this statement would simply be x+y<span>≠10, which stands for not equal. </span>
7 0
2 years ago
Help me! I'm not sure if this is right.
ANTONII [103]
That’s correct :) goood jobbb
3 0
3 years ago
College bookstore charge $60 for a yearly membership. Books will then only cost $7.60 each, tax included. Right in equation to r
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Equation - 7.60b+60=m


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Steak Dinner: $10.59
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Answer: $11.41

Step-by-step explanation:

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